Method and device for determining pipeline construction time

Abstract

The invention discloses a method and device for determining pipeline construction time, and relates to the technical field of pipeline construction time determination. After natural gas pipeline construction information of a target area is obtained, construction priorities of natural gas pipelines and related supporting facilities are determined on the basis of the natural gas pipeline construction information, and the construction time of the natural gas pipelines is determined on the basis of the construction priorities, the predicted natural gas demand quantity of the target area and the predicted income after natural gas construction.

Description

Technical Field

[0001] The present application relates to the technical field of pipeline construction time determination, and in particular to a pipeline construction time determination method and device. Background Art

[0002] Currently, there is no method for determining the timing of gas pipeline construction. A patent for an invention has previously proposed a similar implementation scheme to this case, providing a benefit-based power grid planning system that includes a sustainability assessment unit, a line reliability assessment unit, a load coordination assessment unit, an economic assessment unit, and a comprehensive assessment unit. This system comprehensively considers sustainability, line reliability, load coordination, and economic factors to rationally schedule the construction of power grid planning projects. Therefore, determining the optimal time for pipeline construction while maximizing expected returns and natural gas demand while balancing multiple needs has become a pressing technical challenge. Summary of the Invention

[0003] The purpose of this application is to provide a method and device for determining pipeline construction time, aiming to judge the optimal time for pipeline construction, so as to determine the optimal time for pipeline construction while balancing pipeline demand, construction period, and economic benefits.

[0004] To achieve the above objectives, this application adopts the following technical solutions:

[0005] In a first aspect, the present application provides a method for determining pipeline construction time, comprising: obtaining natural gas pipeline construction information of a target area; the natural gas construction information includes natural gas pipelines and related supporting facilities that need to be laid in the target area; based on the natural gas pipeline construction information, determining the construction period of the natural gas pipeline and related supporting facilities; based on the construction period, the pipeline demand in the target area and the expected benefits after the natural gas construction, determining the time to be constructed of the natural gas pipeline in the target area.

[0006] Using the aforementioned technical means, this application can determine the construction priority of natural gas pipelines and related supporting facilities based on the natural gas pipeline construction information in the target area. Then, based on the logical relationship between the natural gas pipeline construction priority, the expected natural gas demand in the target area, and the expected benefits after the natural gas pipeline is constructed, the optimal construction time of the natural gas pipeline is determined to meet the maximum needs of all three aspects, thereby optimizing the natural gas pipeline construction time and increasing the final benefits.

[0007] In one possible implementation, the time to construct the natural gas pipeline is determined based on the construction priority, pipeline demand in the target area, and the expected revenue after natural gas construction, including: determining a first time to construct the natural gas pipeline in the target area based on pipeline demand, and the greater the predicted natural gas demand, the earlier the natural gas pipeline in the target area will be constructed; determining a second time to construct the natural gas pipeline in the target area based on the construction priority and the construction period of the natural gas pipeline; determining a third time to construct the natural gas pipeline in the target area based on the expected revenue after natural gas pipeline construction; and determining the construction time of the natural gas pipeline in the target area based on the first time to construct, the second time to construct, and the third time to construct.

[0008] Based on the above technical means, this application can analyze the pipeline construction time through three construction factors: natural gas demand, expected benefits after natural gas pipeline construction, and construction priority, so as to obtain the optimal pipeline construction time, thereby improving the scientificity and rationality of the pipeline construction time.

[0009] In one possible implementation, a first construction time for a natural gas pipeline in a target area is determined based on pipeline demand, including: determining the pipeline type of the pipeline to be constructed in the target area based on the pipeline demand in the target area; determining an estimated natural gas load of existing pipelines in the target area based on transportation resource information corresponding to the pipeline type of the pipeline to be constructed; and determining the first construction time for the pipeline to be constructed based on a predicted peak time of the estimated natural gas load of existing pipelines in the target area.

[0010] According to the above technical means, this application divides the natural gas pipelines based on the estimated natural gas demand, and determines the first construction time of the natural gas pipeline according to different input conditions, making the construction time analysis of the natural gas pipeline more feasible and more convenient for planning the construction of the natural gas pipeline.

[0011] In one possible implementation method, the types of pipelines to be built in the target area include: resource-based pipelines; resource-based pipelines refer to pipelines used to achieve stable uploading of natural gas sources; distribution-based pipelines; distribution-based pipelines refer to pipelines used to achieve the collection and evacuation of natural gas between regions; market-based pipelines; market-based pipelines refer to pipelines used to serve the market and supply gas to users.

[0012] In one possible implementation, determining an estimated natural gas load of existing pipelines in a target area based on the transmission resource information corresponding to the pipeline type of the pipeline to be built includes: determining the amount of resources that the pipeline to be built needs to transport based on the transmission resource information corresponding to the pipeline type of the pipeline to be built; and determining whether the natural gas load of existing pipelines in the target area has reached an upper limit based on the amount of resources that the pipeline to be built needs to transport and an upper limit of the load rate of existing pipelines in the target area; wherein the upper limit of the load rate of existing pipelines in the target area satisfies a first preset formula, which is:

[0013]

[0014] Wherein, LF represents the upper limit of the load rate of the built pipeline, T represents the operating time of the built pipeline, and P represents the preset upper limit of the load rate of the built pipeline.

[0015] In one possible implementation, whether the natural gas load of the existing pipelines in the target area has reached the upper limit is determined based on the amount of resources that the pipeline to be built needs to transport and the upper limit of the load rate of the existing pipelines in the target area, including: when the type of the pipeline to be built is a resource-based pipeline, if the external transmission volume of the resource uploading point is greater than the product of the external transmission pipeline capacity and the upper limit of the load rate, it is determined that the natural gas load of the existing pipelines in the target area has reached the upper limit; when the type of the pipeline to be built is a distribution-based pipeline, if the external transmission volume of the upstream hub point is greater than the product of the downstream pipeline transmission capacity and the upper limit of the load rate or the demand of the downstream hub point is greater than the product of the upstream pipeline capacity and the upper limit of the load rate, it is determined that the natural gas load of the existing pipelines in the target area has reached the upper limit; when the type of the pipeline to be built is a market-based pipeline, if the gas consumption in the target area is greater than the product of the pipeline gas transmission capacity and the upper limit of the load rate, it is determined that the natural gas load of the existing pipelines in the target area has reached the upper limit.

[0016] Based on the above technical means, this application divides natural gas pipeline types, and analyzes the time it takes for existing pipelines in different regions to reach the natural gas load according to different natural gas pipeline types. The first construction time of the pipeline to be built is determined based on the time it takes for existing pipelines in different regions to reach the natural gas load, thereby improving the accuracy of determining the construction time of the pipeline to be built and improving the efficiency of determining the pipeline construction time.

[0017] In one possible implementation method, based on the construction priority and the construction period of the natural gas pipeline in the target area, the second waiting time for construction of the natural gas pipeline in the target area is determined, including: determining the dependency relationship between the various stages of construction work of the natural gas pipeline in the target area according to the construction period of the natural gas pipeline in the target area; determining the second waiting time for construction according to the dependency relationship between the various stages of construction work of the natural gas pipeline in the target area.

[0018] Based on the above technical means, this application determines the dependencies between various stages of natural gas pipeline construction within the target area based on the construction period of the natural gas pipeline within the target area. Based on these dependencies, a second waiting time for construction is determined. By determining the pipeline construction time from another perspective of the construction period, the accuracy of the method for determining the pipeline construction time is improved.

[0019] In one possible implementation, a third construction time for the natural gas pipeline in the target area is determined based on the expected revenue after the natural gas pipeline is constructed, including: adjusting the pipeline construction project in the target area based on the expected revenue after the natural gas pipeline is constructed and the target optimization function to determine the third construction time; under the third construction time, the financial indicators corresponding to the natural gas pipeline in the target area are optimal.

[0020] In one possible implementation method, the construction time of the natural gas pipeline in the target area is determined based on the first time to be constructed, the second time to be constructed, and the third time to be constructed, including: based on a preset planning strategy, determining the time to be constructed that needs to be deleted from the first time to be constructed, the second time to be constructed, and the third time to be constructed, as well as the target construction time of the natural gas pipeline in the target area; and using the target construction time as the construction time of the natural gas pipeline in the target area.

[0021] Based on the above technical means, this application determines the construction time of the natural gas pipeline in the target area through a comprehensive analysis of the first time to be built, the second time to be built, and the third time to be built, thereby improving the accuracy of the method for determining the pipeline construction time and improving the efficiency of pipeline project planning.

[0022] In a second aspect, the present application provides a pipeline construction time determination device, which includes: an acquisition module and a determination module.

[0023] An acquisition module is used to obtain natural gas pipeline construction information in the target area;

[0024] A determination module is used to determine the construction priority of natural gas pipelines and related supporting facilities based on natural gas pipeline construction information;

[0025] The determination module is also used to determine the time to construct the natural gas pipeline in the target area based on the construction period, pipeline demand in the target area and the expected benefits after the natural gas construction.

[0026] In one possible implementation, a determination module determines the time to be constructed of the natural gas pipeline based on the construction priority, pipeline demand in the target area, and the expected revenue after the natural gas construction, including: determining a first time to be constructed of the natural gas pipeline in the target area based on the pipeline demand, and the greater the predicted natural gas demand, the earlier the natural gas pipeline in the target area will be constructed; determining a second time to be constructed of the natural gas pipeline in the target area based on the construction priority and the construction period of the natural gas pipeline; determining a third time to be constructed of the natural gas pipeline in the target area based on the expected revenue after the natural gas pipeline construction; and determining the construction time of the natural gas pipeline in the target area based on the first time to be constructed, the second time to be constructed, and the third time to be constructed.

[0027] In one possible implementation, a determination module determines a first construction time for a natural gas pipeline in a target area based on pipeline demand, including: determining a pipeline type for the pipeline to be constructed in the target area based on pipeline demand in the target area; determining an estimated natural gas load of existing pipelines in the target area based on transportation resource information corresponding to the pipeline type of the pipeline to be constructed; and determining the first construction time for the pipeline to be constructed based on a predicted peak time of the estimated natural gas load of existing pipelines in the target area.

[0028] In one possible implementation method, the types of pipelines to be built in the target area include: resource-based pipelines; resource-based pipelines refer to pipelines used to achieve stable uploading of natural gas sources; distribution-based pipelines; distribution-based pipelines refer to pipelines used to achieve the collection and evacuation of natural gas between regions; market-based pipelines; market-based pipelines refer to pipelines used to serve the market and supply gas to users.

[0029] In one possible implementation, a determination module determines an estimated natural gas load of existing pipelines in a target area based on the transmission resource information corresponding to the pipeline type of the pipeline to be constructed, including: determining the amount of resources that need to be transported by the pipeline to be constructed based on the transmission resource information corresponding to the pipeline type of the pipeline to be constructed; and determining whether the natural gas load of existing pipelines in the target area has reached an upper limit based on the amount of resources that need to be transported by the pipeline to be constructed and an upper limit of the load rate of existing pipelines in the target area; wherein the upper limit of the load rate of existing pipelines in the target area satisfies a first preset formula, which is:

[0030]

[0031] Wherein, LF represents the upper limit of the load rate of the built pipeline, T represents the operating time of the built pipeline, and P represents the preset upper limit of the load rate of the built pipeline.

[0032] In one possible implementation, a determination module determines whether the natural gas load of the existing pipelines in the target area has reached the upper limit based on the amount of resources that the pipeline to be built needs to transport and the upper limit of the load rate of the existing pipelines in the target area, including: when the type of the pipeline to be built is a resource-based pipeline, if the external transmission volume of the resource uploading point is greater than the product of the external transmission pipeline capacity and the upper limit of the load rate, it is determined that the natural gas load of the existing pipelines in the target area has reached the upper limit; when the type of the pipeline to be built is a distribution-based pipeline, if the external transmission volume of the upstream hub point is greater than the product of the downstream pipeline transmission capacity and the upper limit of the load rate or the demand of the downstream hub point is greater than the product of the upstream pipeline capacity and the upper limit of the load rate, it is determined that the natural gas load of the existing pipelines in the target area has reached the upper limit; when the type of the pipeline to be built is a market-based pipeline, if the gas consumption in the target area is greater than the product of the pipeline transmission capacity and the upper limit of the load rate, it is determined that the natural gas load of the existing pipelines in the target area has reached the upper limit.

[0033] In one possible implementation, a determination module determines a second construction time for the natural gas pipeline in the target area based on the construction priority and the construction period of the natural gas pipeline in the target area, including: determining the dependency relationship between the various stages of construction work of the natural gas pipeline in the target area according to the construction period of the natural gas pipeline in the target area; and determining the first construction time according to the dependency relationship between the various stages of construction work of the natural gas pipeline in the target area.

[0034] In one possible implementation, a determination module determines a third construction time for the natural gas pipeline in the target area based on the expected revenue after the natural gas pipeline is constructed, including: adjusting the pipeline construction project in the target area based on the expected revenue after the natural gas pipeline is constructed and the target optimization function to determine the third construction time; under the third construction time, the financial indicators corresponding to the natural gas pipeline in the target area are optimal.

[0035] In one possible implementation, a determination module determines the construction time of the natural gas pipeline in the target area based on the first time to be constructed, the second time to be constructed, and the third time to be constructed, including: based on a preset planning strategy, determining the time to be constructed that needs to be deleted from the first time to be constructed, the second time to be constructed, and the third time to be constructed, as well as the target construction time of the natural gas pipeline in the target area; and using the target construction time as the construction time of the natural gas pipeline in the target area.

[0036] In a third aspect, the present application provides an electronic device comprising: a processor and a communication interface. The communication interface and the processor are coupled, and the processor is configured to execute a computer program or instructions to implement the pipeline construction time determination method described in the first aspect and any possible implementation of the first aspect.

[0037] In a fourth aspect, the present application provides a computer-readable storage medium, which stores instructions. When the instructions are executed on a terminal, the terminal executes the pipeline construction time determination method described in the first aspect and any possible implementation of the first aspect.

[0038] In a fifth aspect, the present application provides a computer program product comprising instructions, which, when executed on an electronic device, enables the electronic device to execute the pipeline construction time determination method as described in the first aspect and any possible implementation manner of the first aspect. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0040] Figure 1 A flow chart of a pipeline construction time determination method provided in an embodiment of the present application;

[0041] Figure 2 A flowchart of another method for determining pipeline construction time provided in an embodiment of the present application;

[0042] Figure 3 A network planning diagram for the early stage of a project provided in an embodiment of the present application;

[0043] Figure 4 A network planning diagram for the project definition phase provided in an embodiment of the present application;

[0044] Figure 5 A network planning diagram for the project implementation and acceptance phase provided in an embodiment of the present application;

[0045] Figure 6 A schematic diagram of the structure of a pipeline construction time determination device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0046] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0047] In the description of this application, it should be understood that the terms "upper," "lower," "left," "right," "front," "back," "inner," "outer," and the like, indicating directions or positional relationships, are based on the directions or relative positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this application and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction. Therefore, they should not be construed as limitations on this application. Unless otherwise specified, the above-mentioned directionality descriptions may be flexibly set in actual application, provided that the relative positional relationships shown in the accompanying drawings are met.

[0048] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. Throughout this application, unless otherwise specified, "plurality" means two or more.

[0049] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections. They may be directly connected, indirectly connected through an intermediary, or internally connected between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0050] In the embodiments of the present application, the terms "comprises," "comprising," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, article, or device comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of other identical elements in the process, article, or device comprising the element.

[0051] In the embodiments of this application, words such as "exemplary" or "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of this application should not be interpreted as being preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "for example" is intended to present the relevant concepts in a concrete manner.

[0052] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0053] like Figure 1 As shown, an embodiment of the present application provides a method for determining pipeline construction time, which includes: S101-S103.

[0054] S101. Obtain natural gas pipeline construction information in a target area.

[0055] Among them, the natural gas pipeline construction information includes the natural gas pipelines and related supporting facilities that need to be laid in the target area.

[0056] Related supporting facilities include the layout of pipeline networks in the target area and compressor stations along the routes of the required natural gas pipelines. These pipelines are used to transport natural gas, coal-to-gas, and coal-quality natural gas between production sites, storage facilities, and user entities. Their primary function is to transport natural gas from upstream gas field processing plants, liquefied natural gas receiving stations, or gas storage facilities over long distances to downstream city gate stations or users.

[0057] Among them, the layout of pipeline facilities is the connection between the newly built pipelines and the existing pipeline networks.

[0058] S102. Based on the natural gas pipeline construction information, determine the construction priority of the natural gas pipeline and related supporting facilities.

[0059] Among them, the construction priority of the natural gas pipeline and related supporting facilities includes the priority order of project task items during the construction of the natural gas pipeline and related supporting facilities.

[0060] In one possible implementation, after obtaining the construction information of the natural gas pipeline, the entire project construction process of the natural gas pipeline and related supporting facilities is divided into four stages: preliminary stage, definition, implementation and acceptance.

[0061] Among them, the preliminary stage is the process of carrying out various tasks for project approval; the definition stage is the process of carrying out various tasks after project approval or filing and before implementation; the implementation stage is the process of project implementation after preliminary design approval; and the acceptance stage is the process of overall project acceptance after trial operation.

[0062] Furthermore, the work items at each stage are decomposed to identify preceding, subsequent, and parallel tasks. Preceding tasks are tasks that immediately precede a task; subsequent tasks are tasks that immediately follow a task; and parallel tasks are tasks that can be performed simultaneously with a task.

[0063] Furthermore, the logical relationship between the work items in each stage is constructed, and a project schedule timeline network plan is prepared.

[0064] Among them, the project schedule time-scale network plan is a network plan obtained by decomposing the work items in each stage of the project, identifying the preceding, following and parallel work, and analyzing the process and organizational logic relationships that restrict each other among the work.

[0065] S103. Determine the construction time of the natural gas pipeline based on the construction priority, pipeline demand in the target area, and the expected benefits after the natural gas pipeline is constructed.

[0066] The pipeline demand in the target area includes the type of natural gas pipeline that needs to be constructed, which is determined after analyzing the natural gas pipeline construction information in the target area.

[0067] Among them, the expected income after the construction of the natural gas pipeline includes the predicted income that the natural gas pipeline to be built will bring to the company within a period of time after its completion.

[0068] In one possible implementation method, the construction time of the natural gas pipeline is determined by analyzing the construction time calculated by the project schedule network plan compiled for the natural gas pipeline project to be constructed, the natural gas pipeline construction time that can maximize the natural gas demand in the target area, and the construction time when the natural gas pipeline to be constructed can bring the greatest benefits to the company after completion.

[0069] Based on the aforementioned technical means, this application can determine the construction priority of natural gas pipelines and related supporting facilities based on the natural gas pipeline construction information in the target area. Then, based on the logical relationship between the natural gas pipeline construction priority, the expected natural gas demand in the target area, and the expected benefits after the natural gas pipeline is constructed, the optimal construction time of the natural gas pipeline is determined to meet the maximum needs of all three aspects as much as possible, thus optimizing the natural gas pipeline construction time and increasing the final benefits.

[0070] like Figure 2 As shown, the embodiment of the present application provides a method for determining pipeline construction time, and the above S103 specifically includes S201-S204.

[0071] S201. Determine the first construction time of the natural gas pipeline based on pipeline demand.

[0072] Among them, the first construction time is the construction time of the natural gas pipeline while meeting the expected natural gas demand in the target area.

[0073] In one possible implementation, the pipeline type of the pipeline to be built in the target area is determined based on the pipeline demand in the target area; the estimated natural gas load of the existing pipelines in the target area is determined based on the transportation resource information corresponding to the pipeline type of the pipeline to be built; and the first construction time of the pipeline to be built is determined based on the predicted peak time of the estimated natural gas load of the existing pipelines in the target area.

[0074] In one example, the overall flow of the pipeline network is as follows: various resources enter the main pipeline network or trunk line through resource upload points, are transported to collection and evacuation hubs, and after resource allocation at each hub, are transported to market download points for delivery. Based on the layout of natural gas pipeline network facilities and pipeline flow directions, the key nodes of the natural gas pipeline network architecture include resource upload points, collection and evacuation hubs, and market download points. The pipeline type of the natural gas pipeline to be built in the target area is determined based on the location relationship between the planned natural gas pipeline and the key nodes.

[0075] Among them, the resource loading point refers to the first place where natural gas resources enter the provincial pipeline network / national trunk line and directly receive domestic gas, imported pipeline gas and other network resources.

[0076] Among them, the gathering and evacuation hub refers to a hub point that connects at least two or more trunk pipelines and is an important node for the transfer of resources from multiple parties.

[0077] Among them, the market download point refers to the first station where natural gas resources leave the provincial pipeline network / national trunk line and directly transmit gas to downstream users / terminals.

[0078] Among them, pipeline types include resource-based pipelines, distribution-based pipelines, and market-based pipelines.

[0079] Furthermore, the expected natural gas load of the existing pipeline is determined based on the transportation resource information corresponding to the pipeline type of the pipeline to be built, and the first construction time of the pipeline to be built is determined based on the predicted peak time of the expected natural gas load of the existing pipeline in the target area.

[0080] The following is a detailed description of the method for determining the first construction waiting time for these three types of pipelines:

[0081] 2-1. Resource-based pipelines.

[0082] Resource-based pipelines refer to pipelines located between resource loading points and gathering and evacuation hubs, which mainly realize the stable loading of natural gas resources.

[0083] In one possible implementation, input conditions of the resource-based pipeline are obtained and an estimated natural gas load of the resource-based pipeline is determined based on the input conditions. Moreover, based on an estimated time at which the load of the existing natural gas pipelines in the target area of the resource-based pipeline to be constructed reaches an upper limit, the time at which the load of the existing natural gas pipelines reaches the upper limit is the first construction time of the pipeline to be constructed.

[0084] The first waiting time for construction is the time when the load of the existing natural gas pipeline reaches the upper limit determined according to the input conditions, or it may be the time when the existing natural gas pipeline cannot meet the natural gas transportation demand and a pipeline bottleneck occurs.

[0085] Among them, the input conditions for resource-based pipelines include pipeline facilities in the target area, recommended layout plans for target pipelines, and natural gas access resources.

[0086] Among them, the pipeline facilities in the target area are the network system for natural gas transmission, storage and distribution serving the target area.

[0087] The recommended target pipeline layout plan is a systematic plan for optimizing the construction route, network structure, and configuration of related facilities within the target region, based on factors such as energy demand, resource distribution, geographical conditions, economic feasibility, and safety. Natural gas access resources include imported pipeline gas, imported liquefied natural gas (LNG), domestically produced gas uploads, and gas storage and peak-shaving resources.

[0088] Among them, the amount of imported pipeline gas resources entering the resource channel each year is analyzed and determined based on the resource introduction time, transmission volume steps and entry point plan, and the amount of imported pipeline gas entering the network is equal to the amount of resources introduced each year.

[0089] Among them, the imported LNG resources are analyzed and determined based on the long-term contract signing, operation plan and receiving station load rate, and the gas volume uploaded to the resource channel each year is determined. The load rate is calculated to calculate the annual supply volume, which is equal to the product of the design scale of the receiving station and the configured load rate of the receiving station.

[0090] The actual annual supply of the receiving station satisfies the following formula 1:

[0091] The actual annual supply volume of the receiving station = max{long-term agreement contract volume, load factor estimated supply volume, operating plan value, actual receiving volume in the previous year} Formula 1.

[0092] Among them, domestic gas upload resources are based on domestic oilfield gas, coal-to-gas, shale gas and grid access rate, combined with historical operation data, to analyze and determine the gas volume of the upload resource channel each year, and meet the following formula 2:

[0093] Local resource upload amount = total resources × network access rate Formula 2.

[0094] The allocation of gas storage peak-shaving resources is based on the "natural gas market peak-shaving demand in the target area" and is combined with the location, scope, historical load, and price competitiveness of the peak-shaving resources to determine the gas storage peak-shaving supply, and the following formula 3 is satisfied:

[0095] Gas storage peak-shaving supply = annual supply of each resource / 365×10000×gas storage peak-shaving supply coefficient Formula 3.

[0096] Furthermore, a first waiting time for construction is determined based on the input conditions.

[0097] In one possible implementation, if the resource upload point lacks an external transmission pipeline, the upload schedule is followed. The upload time is the pipeline bottleneck time, and the pipeline to be constructed must be completed before the resource upload time. If an external transmission channel is already established at the resource upload point, and the upload volume exceeds the maximum capacity of the existing pipeline, a pipeline bottleneck occurs, and the pipeline to be constructed must be completed before the bottleneck time.

[0098] Specifically, the input conditions and the first waiting time for construction satisfy the following relationship: when the external transmission volume of the resource uploading point is greater than the product of the external transmission pipeline capacity and the upper limit of the load rate, the carrying capacity upper limit of the existing pipeline is reached, and a pipeline bottleneck is generated. The time when the pipeline bottleneck is generated is the first waiting time for construction; when the external transmission volume of the resource uploading point is less than the product of the external transmission pipeline capacity and the upper limit of the load rate, it will not exceed the carrying capacity upper limit of the existing pipeline, and there is no pipeline bottleneck time.

[0099] Among them, the external transmission volume of the resource upload point is determined by the pipeline network facilities in the target area of the resource-type pipeline, the recommended layout plan of the target pipeline, the natural gas network resources, etc. Please refer to the existing technology for details, which will not be elaborated here.

[0100] The upper limit of the load rate depends on the service life of the existing pipeline and the environmental restrictions of the pipeline, and satisfies the following formula 4:

[0101]

[0102] Wherein, LF represents the load rate upper limit of the built pipeline, T represents the operation time of the built pipeline (in years), and P represents the preset load rate upper limit value of the built pipeline;

[0103] The operating time of the built pipelines is in years.

[0104] 2-2. Distribution pipeline.

[0105] A distribution pipeline refers to a pipeline located between gathering and evacuation hubs, which mainly realizes the long-distance, large-capacity natural gas gathering and evacuation between regions or important market load centers.

[0106] In one possible implementation, input conditions of the distribution pipeline are obtained and the expected natural gas load of the existing pipeline is determined based on the input conditions, and the first construction time of the pipeline to be built is determined based on the predicted peak time of the expected natural gas load of the existing pipeline in the target area.

[0107] The first waiting time for construction is the time when the load of the existing natural gas pipeline reaches the upper limit determined according to the input conditions, or it may be the time when the existing natural gas pipeline cannot meet the natural gas transportation demand and a pipeline bottleneck occurs.

[0108] Among them, the input conditions of the distribution pipeline include the pipeline facilities in the target area, the recommended layout plan of the target pipeline, and the gas volume of the collection and distribution hub.

[0109] Among them, the pipeline facilities in the target area are the network system for natural gas transmission, storage and distribution serving the target area.

[0110] Among them, the recommended target pipeline layout plan refers to the optimized design plan for the construction path, network structure and related facility configuration of the natural gas transmission pipeline in the target area, which is systematically planned based on factors such as energy demand, resource distribution, geographical conditions, economy and safety.

[0111] Among them, the gas volume of the gathering and evacuation hub refers to the volume of natural gas transported by the gathering and evacuation hub.

[0112] Furthermore, the first waiting time for construction is determined according to the input conditions.

[0113] Specifically, the input condition and the first waiting time for construction satisfy the following relationship:

[0114] When the outflow volume of the upstream hub exceeds the product of the flow rate and the upper limit of the load rate of the downstream distribution pipeline in the target area, and reaches the upper limit of the load capacity of the existing natural gas pipeline, a new pipeline needs to be built. The time when the outflow volume of the upstream hub exceeds the product of the flow rate and the upper limit of the load rate of the outflow pipeline is the first waiting time for construction;

[0115] When the supply volume of the downstream hub point is greater than the product of the flow rate that the upstream distribution pipeline can carry and the upper limit of the load rate in the target area, and the load limit of the existing natural gas pipeline is reached, a new pipeline needs to be built, and the time when the supply volume of the downstream hub point is greater than the product of the flow rate that the upstream distribution pipeline can carry and the upper limit of the load rate is the first waiting time for construction.

[0116] Among them, the upper limit of the load rate satisfies the above formula 4.

[0117] Among them, the external transmission volume of the upstream hub point, the carrying capacity of the downstream distribution pipeline in the target area, the supply volume of the downstream hub point, and the carrying capacity of the upstream distribution pipeline in the target area are all determined based on the target area pipeline facilities, the recommended layout plan of the target pipeline, and the gas volume of the gathering and evacuation hub point in the input conditions. Please refer to the existing technology for details, which will not be elaborated here.

[0118] 2-3. Market-oriented pipeline.

[0119] Market-type pipelines refer to pipelines located between the gathering and evacuation hub and the market download point. They undertake the transfer of resources from resource-type or distribution-type pipelines, mainly serve the market service function, and directly supply gas to downstream users / terminals.

[0120] In one possible implementation, input conditions of the market-type pipeline are obtained and an estimated natural gas load of the market-type pipeline is determined based on the input conditions. Furthermore, a first to-be-built time of the to-be-built pipeline is determined based on a predicted peak time of the estimated natural gas load of the market-type pipeline.

[0121] The first waiting time for construction is the time when the load of the existing natural gas pipeline reaches the upper limit determined according to the input conditions, or it may be the time when the existing natural gas pipeline cannot meet the natural gas transportation demand and a pipeline bottleneck occurs.

[0122] Among them, the input conditions of market-type pipelines include pipeline facilities in the target area, recommended layout plan of the target pipeline, and gas consumption of market users.

[0123] Among them, the gas consumption of market users refers to the gas consumption plan arrangements of market users in the target area where natural gas pipelines need to be built.

[0124] Furthermore, the first waiting time for construction is determined according to the input conditions of the market-type pipeline to be constructed.

[0125] In one possible implementation, the first construction period includes the time when market users have no gas supply pipelines, the time when users demand gas according to the target users' gas usage plans, or the time when market users have built gas supply pipelines and the demand for natural gas exceeds the pipeline capacity, resulting in a pipeline bottleneck.

[0126] Specifically, the input condition and the first waiting time for construction satisfy the following relationship:

[0127] When the gas consumption of market users is greater than the product of the gas transmission capacity of the existing pipeline and the upper limit of the load rate, the load upper limit of the existing pipeline is reached. The carrying capacity of the existing pipeline cannot meet the natural gas transmission demand and a pipeline bottleneck is generated, and a new pipeline needs to be built. The time when the upper limit is reached or the pipeline bottleneck is generated is the first waiting time for construction.

[0128] Among them, the upper limit of the load rate satisfies the above formula 4.

[0129] S202: Determine a second waiting time for construction of the natural gas pipeline based on the construction priority and the construction period of the natural gas pipeline.

[0130] Among them, construction priority refers to the order of various tasks in the natural gas pipeline construction project.

[0131] Among them, the second waiting time for construction refers to the construction time calculated based on the work item arrangement of the natural gas pipeline construction project. In one possible implementation method, according to the construction period of the natural gas pipeline in the target area, the dependency relationship between the various stages of construction work of the natural gas pipeline in the target area is determined; according to the dependency relationship between the various stages of construction work of the natural gas pipeline in the target area, the second waiting time for construction is determined.

[0132] Specifically, the entire natural gas pipeline construction process was divided into phases, with work items broken down into each phase. Prior, subsequent, and parallel tasks within each phase were identified. Based on the logical relationships between work items at each phase, a time-scaled network plan for the project was developed, and the duration of each phase of the natural gas pipeline construction project was analyzed as the second waiting time for construction.

[0133] Specifically, the entire natural gas pipeline construction process is divided into four phases: pre-construction, definition, implementation, and acceptance. The pre-construction phase covers the various tasks carried out after project approval; the definition phase covers the various tasks carried out after project approval and before implementation; the implementation phase covers the implementation of various projects after preliminary design approval; and the acceptance phase covers the overall project acceptance after trial operation.

[0134] Furthermore, based on the workflow of each stage after division and combined with the time-scale network planning theory, the key work nodes and key work items in the early stage, definition, implementation, and acceptance of the project are identified, and the process and organizational logic relationships that restrict each key work item are analyzed to draw the network planning diagram for each stage of the project.

[0135] The time-scale network planning theory uses time as the scale for network planning. Solid arrows represent tasks, while dashed arrows represent tasks that have no clear temporal relationship but a sequential order. For details, please refer to the existing technology and will not be elaborated here.

[0136] In one possible implementation, the network plan diagram in the early stage of the project is as follows: Figure 3 As shown:

[0137] Among them, the construction period T of the feasibility study report pre-review node is calculated 1～7 Satisfy formula 5:

[0138] T 1～7 =D1+D2+max{D3+max[D4+D5,D6],D9+D 10}Formula 5.

[0139] Among them, the feasibility study report version B review node calculation period T 1～8 Satisfy formula six:

[0140] T 1～8 =max{D1+D2+D3+max[D7,D8],T 1～7 +D 11}Formula 6.

[0141] Among them, the construction period T of the feasibility study approval node is calculated 1～10 Satisfy formula seven:

[0142] T1～10 =T 1～8 +D 12 +D 13 Formula 7.

[0143] Among them, the construction period calculated at the approval node is T 1～11 Satisfy formula eight:

[0144] T 1～11 =max{T 1～10 ,T 1～8 +D 12 +D 16 ,T 1～7 +max[D 14 ,D 15 ]}Formula 8.

[0145] Among them, the calculation period of the approved node is T 1～12 Satisfy formula nine:

[0146] T 1～12 =T 1～11 +D 17 Formula nine.

[0147] In one possible implementation, the network plan diagram in the project definition phase is as follows: Figure 4 shown

[0148] Among them, the calculation period of the preliminary design pre-examination node is T 1～19 Satisfy formula 10:

[0149] T 1～19 =T 1～10 +D 18 +D 19 +D 20 +max{D 22 ,D 23 +D 24}Formula 10.

[0150] Among them, the construction period of the node approved by the ecological environment department of environmental impact assessment is calculated as T 1～29 Satisfy formula 11:

[0151] T 1～29 =T 1～24 +D 30 =T 1～10 +D 18 +D 19 +D 20 +D 28 +D 29 +D 30 +max{D 22 ,D 23 +

[0152] D24}Formula 11.

[0153] Among them, the safety pre-evaluation emergency management department approves the node calculation period T 1～27 Satisfy formula 12:

[0154] T 1～27 =T 1～22 +D 37 =D 36 +D 37 +max{T 1～10 +D 34 +D 35 ,T 1～12}Formula 12.

[0155] Among them, other evaluation authorities approve the node calculation period T 1～28 Satisfy formula 13:

[0156] T 1～28 =T 1～23 +D 33 =T 1～10 +D 18 +D 19 +D 20 +D 31 +D 32 +D 33 +max{D 22 ,D 23 +

[0157] D 24}Formula 13.

[0158] Among them, the calculation period of the preliminary design approval node is T 1～30 Satisfy formula 14:

[0159] T 1～30 =max{T 1～25 +D 26 +D 27 ,T 1～19 +D 25 ,T 1～27 ,T 1～28 ,T 1～29}Formula 14.

[0160] In one possible implementation, the network plan diagram for the project implementation and acceptance phase is as follows: Figure 5 shown

[0161] Among them, the first batch of pipes is used to calculate the construction period T 1～39 Satisfy formula 15:

[0162] T 1～39 =T 1～26 +D40 +D 41 Formula 15.

[0163] Among them, the main equipment is provided for the installation node to calculate the construction period T 1～46 Satisfy formula 16:

[0164] T 1～46 =T 1～39 +D 42 =T 1～26 +D 40 +D 41 +D 42 Formula 16.

[0165] Among them, the calculation period of the safety facility design approval node is T 1～35 Satisfy formula seventeen:

[0166] T 1～35 =T 1～31 +D 39 =D 39 +max{T 1～26 +D 38 ,T 1～30}Formula seventeen.

[0167] Among them, the construction period T is calculated at the start node of the start section 1～37 Satisfy formula 18:

[0168] T 1～37 =max{T 1～30 +D 45 +D 46 +D 47 ,T 1～35 ,T 1～36 ,T 1～39}Formula 18.

[0169] Among them, the construction period of the station project is calculated at the start node T 1～40 Satisfy formula 19:

[0170] T 1～40 =T 1～30 +D 45 +D 46 +D 51 Formula 19.

[0171] Among them, the construction period T of the general line section start node is calculated 1～41 Satisfy formula 20:

[0172] T 1～41 =T 1～30 +D 45 +D 46 +D 57 Formula 20.

[0173] Among them, the construction period T of the start nodes of large and medium-sized crossing and control projects is calculated 1～42 Satisfy formula 21:

[0174] T 1～42 =T 1～30 +D 45 +D 46 +D 61 Formula 21.

[0175] Among them, the project acceptance and production node calculation period T 1～55 Satisfy formula 22:

[0176] T 1～55 =D 65 +max{T 1～43 +D 50 ,T 1～51 +D 56 ,T 1～53 +D 60 ,T 1～49 +D 64}Formula 22.

[0177] Among them, T 1～55 This is the construction period of the natural gas pipeline project, and the time when this construction period is completed is the second waiting time for construction.

[0178] S203. Determine the third construction time of the natural gas pipeline based on the expected revenue after the natural gas pipeline is constructed.

[0179] Among them, the expected income is the economic benefits brought to the company within a period of time after the construction of the natural gas pipeline.

[0180] Among them, the third construction time is the construction time when the constructed natural gas pipeline can bring maximum economic benefits to the company.

[0181] In one possible implementation, based on the expected revenue after the natural gas pipeline is constructed and the target optimization function, the pipeline construction project in the target area is adjusted to determine a third construction time; under the third construction time, the financial indicators corresponding to the natural gas pipeline in the target area are optimal.

[0182] Among them, the expected income after the construction of the natural gas pipeline needs to be determined based on the pricing method and evaluation scope of the natural gas pipeline construction project.

[0183] Among them, the pricing method includes the pipeline transportation rate of natural gas pipelines.

[0184] Among them, the pipeline transportation rate is calculated according to the principles of "same price for the same network" and "permitted cost + reasonable profit", and is reviewed and adjusted every three years. Different permissible income and turnover volume data should be selected according to whether the price is determined in the national price zone or the provincial price zone.

[0185] Among them, the pipeline transportation rate refers to the transportation price per unit of natural gas turnover.

[0186] Among them, the principle of "same price for the same network" means that the pipeline transportation price rate is based on the principle of "same price for the same network", which means that within the same natural gas pipeline network system, regardless of pipeline structure, transportation distance or regional differences, a unified unit transportation price standard is implemented.

[0187] The "permitted cost + reasonable revenue" principle refers to a government-regulated natural gas pipeline transportation pricing mechanism. It aims to balance the sustainable operations of pipeline network companies with the burden on users by scientifically calculating enterprise costs and ensuring reasonable profits. Its core logic is to reverse-calculate the unit transportation price by determining the permitted cost and permitted revenue.

[0188] The scope of project economic evaluation refers to the incremental benefits generated by project construction. Economic benefits are evaluated using a "with-and-without" method, analyzing the increase in revenue and costs resulting from project investment. Incremental financial evaluation indicators are used to determine project feasibility. "Without project" data refers to a numerical sequence derived from a reasonable forecast of the changing trends in benefits and costs over the calculation period based on the current status of existing assets (the company's existing assets) without the implementation of a new project. "With project" data refers to the total benefit and cost data for the calculation period after the project is implemented.

[0189] Furthermore, based on the pricing method and evaluation scope of the natural gas pipeline construction project, an expected benefit analysis model is established and the input data of the analysis model is determined.

[0190] Specifically, we use the target programming method to analyze the economic benefits of the project and establish a planning model with the goal of maximizing expected benefits. We also use the maximization of expected benefits as the objective function to establish a target optimization model.

[0191] The goal planning approach to analyzing project economic benefits is a multi-dimensional, phased, systematic analytical framework. It aims to assess project feasibility, profitability, and risk controllability by setting clear economic goals and combining quantitative and qualitative tools. Its core is to break down project goals into quantifiable indicators and achieve optimal resource allocation through dynamic adjustments. For details, please refer to existing technologies and will not be elaborated here.

[0192] In one possible implementation, the target optimization model satisfies Formula 23:

[0193]

[0194] Among them, NPV represents net present value, CI represents cash inflow, CO represents cash outflow, i c Represents the benchmark yield.

[0195] Among them, the net present value refers to the difference between the initial investment and all future cash flows converted into current value at a certain discount rate. Please refer to the existing technology for details and will not be elaborated here.

[0196] Among them, CI satisfies formula 24:

[0197] CI=OR+ST+Re+W Formula 24.

[0198] Among them, OR represents operating income, ST represents output tax, Re represents the residual value of recovered assets, and W represents the recovery of working capital.

[0199] Among them, CO satisfies formula 25:

[0200] CO=CAPEX+WC+OPEX+ET+VAT+STEC+AIT Formula 25.

[0201] Among them, CO represents construction investment, WC represents working capital, VAT represents value-added tax, ET represents input tax on cost, STEC represents business tax and surcharges, and AIT represents adjusted income tax.

[0202] Among them, the construction time when the net present value is the largest is the third waiting construction time.

[0203] S204: Determine the construction time of the natural gas pipeline based on the first time to be constructed, the second time to be constructed, and the third time to be constructed.

[0204] Among them, the construction time of the natural gas pipeline is the optimal construction time determined based on the first construction time, the second construction time, and the third construction time.

[0205] In one possible implementation, based on a preset planning strategy, the construction time that needs to be deleted from the first construction time, the second construction time, and the third construction time, as well as the target construction time of the natural gas pipeline in the target area are determined; and the target construction time is used as the construction time of the natural gas pipeline in the target area.

[0206] Among them, the preset planning strategy is "give up one item, use one item as a control line, and strive to achieve one item".

[0207] Specifically, due to the varying engineering backgrounds, functional objectives, and implementation plans of different gas pipeline projects, the emphasis on the three major influencing factors of pipeline demand, construction period, and expected revenue varies. This means that the three factors have varying degrees of impact on each project. By studying the underlying logic and substitutability of these three factors, we developed a principle for prioritizing the construction schedules derived from these three factors within specific projects. Based on the first, second, and third construction dates, we determined the construction schedule for the natural gas pipeline according to a process of "abandoning one item, using one as a control point, and striving to achieve one item."

[0208] Among them, the abandoned items refer to the factors that are the most insignificant and have the smallest impact on the research project. After the factors are abandoned, they will not have a significant impact on the function and role of the project.

[0209] Among them, the control item refers to the most important and influential factor for the research project. The construction time obtained based on the analysis of this factor must be guaranteed and must not be completed later than this time.

[0210] Among them, the item to be achieved refers to the remaining item as the construction time of "striving to achieve" after determining the construction time of the "abandoned item" and the "control line", that is, on the basis of not later than the construction time of the "control line", it is as close to or as close to the construction time of "striving to achieve" as possible as the final analysis result.

[0211] In one possible scenario, the main situations of “abandonment items” are shown in Table 1.

[0212] Table 1

[0213]

[0214] In one possible scenario, the main situations of the “control line” are shown in Table 2.

[0215] Table 2

[0216]

[0217] Among them, after determining the construction time of the "abandoned item" and the "control line", the remaining construction time is the "strive to achieve" construction time. On the basis of not later than the "control line" construction time, it is as close to or as close to the "strive to achieve" construction time as possible as the optimal construction time for the natural gas pipeline construction project.

[0218] Figure 6 This is a schematic diagram of a device for determining pipeline construction time provided in an embodiment of the present application. Figure 6 As shown, the pipeline construction time determination device 60 can be used to perform Figure 1The pipeline construction time determination method shown in FIG. 6 includes an acquisition module 601 and a determination module 602 .

[0219] An acquisition module 601 is used to acquire natural gas pipeline construction information in a target area;

[0220] A determination module 602 is configured to determine the construction priority of the natural gas pipeline and related supporting facilities based on the natural gas pipeline construction information;

[0221] The determination module 602 is further configured to determine the time to construct the natural gas pipeline in the target area based on the construction period, pipeline demand in the target area, and the expected revenue after the natural gas construction.

[0222] In one possible implementation, module 602 determines the time to be constructed of the natural gas pipeline based on the construction priority, pipeline demand in the target area, and the expected revenue after the natural gas construction, including: determining a first time to be constructed of the natural gas pipeline in the target area based on the pipeline demand, and predicting that the greater the natural gas demand, the earlier the time to be constructed of the natural gas pipeline in the target area; determining a second time to be constructed of the natural gas pipeline in the target area based on the construction priority and the construction period of the natural gas pipeline; determining a third time to be constructed of the natural gas pipeline in the target area based on the expected revenue after the natural gas pipeline construction; and determining the construction time of the natural gas pipeline in the target area based on the first time to be constructed, the second time to be constructed, and the third time to be constructed.

[0223] In one possible implementation, determination module 602 determines a first construction time for a natural gas pipeline in a target area based on pipeline demand, including: determining a pipeline type for the pipeline to be constructed in the target area based on pipeline demand in the target area; determining an estimated natural gas load of existing pipelines in the target area based on transportation resource information corresponding to the pipeline type of the pipeline to be constructed; and determining the first construction time for the pipeline to be constructed based on a predicted peak time of the estimated natural gas load of existing pipelines in the target area.

[0224] In one possible implementation method, the types of pipelines to be built in the target area include: resource-based pipelines; resource-based pipelines refer to pipelines used to achieve stable uploading of natural gas sources; distribution-based pipelines; distribution-based pipelines refer to pipelines used to achieve the collection and evacuation of natural gas between regions; market-based pipelines; market-based pipelines refer to pipelines used to serve the market and supply gas to users.

[0225] In one possible implementation, determination module 602 determines the estimated natural gas load of existing pipelines in the target area based on the transportation resource information corresponding to the pipeline type of the pipeline to be built, including: determining the amount of resources required to be transported by the pipeline to be built based on the transportation resource information corresponding to the pipeline type of the pipeline to be built; and determining whether the natural gas load of existing pipelines in the target area has reached an upper limit based on the amount of resources required to be transported by the pipeline to be built and an upper limit of the load rate of existing pipelines in the target area; wherein the upper limit of the load rate of existing pipelines in the target area satisfies a first preset formula, which is:

[0226]

[0227] Wherein, LF represents the upper limit of the load rate of the built pipeline, T represents the operating time of the built pipeline, and P represents the preset upper limit of the load rate of the built pipeline.

[0228] In one possible implementation, determination module 602 determines whether the natural gas load of the existing pipelines in the target area has reached the upper limit based on the amount of resources to be transported by the pipeline to be built and the upper limit of the load rate of the existing pipelines in the target area, including: if the type of the pipeline to be built is a resource-based pipeline, if the external transmission volume of the resource uploading point is greater than the product of the external transmission pipeline capacity and the upper limit of the load rate, then the natural gas load of the existing pipelines in the target area has reached the upper limit; if the type of the pipeline to be built is a distribution-based pipeline, if the external transmission volume of the upstream hub point is greater than the product of the downstream pipeline transmission capacity and the upper limit of the load rate, or if the demand of the downstream hub point is greater than the product of the upstream pipeline capacity and the upper limit of the load rate, then the natural gas load of the existing pipelines in the target area has reached the upper limit; if the type of the pipeline to be built is a market-based pipeline, if the gas consumption in the target area is greater than the product of the pipeline gas transmission volume and the upper limit of the load rate, then the natural gas load of the existing pipelines in the target area has reached the upper limit.

[0229] In one possible implementation, determination module 602 determines the second construction time of the natural gas pipeline in the target area based on the construction priority and the construction period of the natural gas pipeline in the target area, including: determining the dependency relationship between the various stages of construction work of the natural gas pipeline in the target area according to the construction period of the natural gas pipeline in the target area; and determining the first construction time according to the dependency relationship between the various stages of construction work of the natural gas pipeline in the target area.

[0230] In one possible implementation, module 602 determines a third construction time for the natural gas pipeline in the target area based on the expected revenue after the natural gas pipeline is constructed, including: adjusting the pipeline construction project in the target area based on the expected revenue after the natural gas pipeline is constructed and the target optimization function to determine the third construction time; under the third construction time, the financial indicators corresponding to the natural gas pipeline in the target area are optimal.

[0231] In one possible implementation, the determination module 602 determines the construction time of the natural gas pipeline in the target area based on the first time to be constructed, the second time to be constructed, and the third time to be constructed, including: based on a preset planning strategy, determining the time to be constructed that needs to be deleted from the first time to be constructed, the second time to be constructed, and the third time to be constructed, as well as the target construction time of the natural gas pipeline in the target area; and using the target construction time as the construction time of the natural gas pipeline in the target area.

[0232] Through the description of the above embodiments, those skilled in the art will clearly understand that for the sake of convenience and brevity, only the division of the above functional modules is used as an example. In actual applications, the above functions can be assigned to different functional modules as needed, that is, the internal structure of the device can be divided into different functional modules to complete all or part of the functions described above. The specific working processes of the above-described systems, devices, and units can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0233] The present disclosure also provides a computer-readable storage medium having instructions stored thereon. When the instructions in the storage medium are executed by a processor of an electronic device, the electronic device is enabled to execute the method for determining the natural gas pipeline construction time provided in the above-mentioned embodiment of the present disclosure.

[0234] The embodiments of the present disclosure further provide a computer program product comprising instructions, which, when executed on an electronic device, enables the electronic device to execute the method for determining pipeline construction time provided by the embodiments of the present disclosure.

[0235] Among them, the computer-readable storage medium can be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or device, or any combination thereof. More specific examples of computer-readable storage media (a non-exhaustive list) include: an electrical connection with one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM), a register, a hard disk, an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above, or any other form of computer-readable storage medium known in the art. An exemplary storage medium is coupled to a processor so that the processor can read information from the storage medium and write information to the storage medium. Of course, the storage medium can also be an integral part of the processor. The processor and the storage medium can be located in an application-specific integrated circuit (ASIC). In the embodiments of the present application, a computer-readable storage medium may be any tangible medium that contains or stores a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.

[0236] The above are only specific embodiments of the present application, but the scope of protection of this application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. A method for determining pipeline construction time, characterized in that: The method comprises: Obtaining natural gas pipeline construction information in the target area; the natural gas construction information includes natural gas pipelines and related supporting facilities that need to be laid in the target area; Determining the construction period of the natural gas pipeline and the related supporting facilities based on the natural gas pipeline construction information; The time to construct the natural gas pipeline in the target area is determined based on the construction period, the pipeline demand in the target area, and the expected revenue after the natural gas construction.

2. The method according to claim 1, characterized in that The determining of the construction time of the natural gas pipeline based on the construction priority, the pipeline demand of the target area, and the expected revenue after the natural gas construction includes: determining a first time to be constructed of the natural gas pipeline in the target area based on the pipeline demand, wherein the greater the predicted natural gas demand, the earlier the time to be constructed of the natural gas pipeline in the target area; Determining a second to-be-constructed time for the natural gas pipeline in the target area based on the construction priority and the construction period of the natural gas pipeline; Determining a third construction time for the natural gas pipeline in the target area based on the expected revenue after the natural gas pipeline is constructed; The construction time of the natural gas pipeline in the target area is determined based on the first time to be constructed, the second time to be constructed, and the third time to be constructed.

3. The method according to claim 2, characterized in that The determining, based on the pipeline demand, a first construction time for the natural gas pipeline in the target area includes: Determining the pipeline type of the pipeline to be built in the target area based on the pipeline demand in the target area; Determining an estimated natural gas load of existing pipelines in the target area based on the transportation resource information corresponding to the pipeline type of the pipeline to be built; A first construction time for the pipeline to be constructed is determined according to a predicted peak time of an expected natural gas load of an existing pipeline in the target area.

4. The method according to claim 3, characterized in that The types of pipelines to be built in the target area include: Resource-based pipelines; resource-based pipelines refer to pipelines used to achieve stable uploading of natural gas sources; Distribution pipelines; the distribution pipelines refer to pipelines used to collect and evacuate natural gas between regions; Market-type pipelines: The market-type pipelines refer to pipelines used to serve the market and supply gas to users.

5. The method according to claim 2 or 3, characterized in that The determining, based on the transportation resource information corresponding to the pipeline type of the pipeline to be built, the estimated natural gas load of the pipeline already built in the target area includes: Determining the amount of resources required to be transported by the pipeline to be built based on the transport resource information corresponding to the pipeline type of the pipeline to be built; Determining whether the natural gas load of the pipelines already built in the target area has reached the upper limit based on the amount of resources required to be transported by the pipeline to be built and the upper limit of the load rate of the pipelines already built in the target area; The upper limit of the load rate of the built pipelines in the target area satisfies the first preset formula, which is: Wherein, LF represents the upper limit of the load rate of the built pipeline, T represents the operating time of the built pipeline, and P represents the preset upper limit of the load rate of the built pipeline.

6. The method according to claim 5, characterized in that The determining, based on the amount of resources required to be transported by the pipeline to be built and the upper limit of the load rate of the pipeline already built in the target area, whether the natural gas load capacity of the pipeline already built in the target area has reached the upper limit includes: In the case where the pipeline to be built is a resource-based pipeline, if the external transmission volume of the resource loading point is greater than the product of the external transmission pipeline capacity and the load rate upper limit, it is determined that the natural gas load capacity of the pipeline built in the target area has reached the upper limit; In the case where the pipeline to be built is a distribution type pipeline, if the outflow volume of the upstream hub is greater than the product of the downstream pipeline's transmission capacity and the upper limit of the load rate, or if the demand of the downstream hub is greater than the product of the upstream pipeline's capacity and the upper limit of the load rate, it is determined that the natural gas load capacity of the existing pipelines in the target area has reached the upper limit; In the case where the pipeline to be built is a market-type pipeline, if the gas consumption in the target area is greater than the product of the pipeline gas transmission capacity and the load rate upper limit, it is determined that the natural gas load of the pipeline built in the target area has reached the upper limit.

7. The method according to claim 2, characterized in that The determining, based on the construction priority and the construction period of the natural gas pipeline in the target area, a second to-be-constructed time of the natural gas pipeline in the target area includes: Determining dependencies between various stages of construction work within the target area based on the construction period of the natural gas pipeline within the target area; The second to-be-constructed time is determined according to the dependency relationship between the construction works of the natural gas pipeline in the target area at various stages.

8. The method according to claim 2, characterized in that Determining a third construction time for the natural gas pipeline in the target area based on the expected revenue after the natural gas pipeline is constructed includes: Based on the expected revenue after the construction of the natural gas pipeline and the target optimization function, the pipeline construction project in the target area is adjusted to determine the third construction time; under the third construction time, the financial indicators corresponding to the natural gas pipeline in the target area are optimal.

9. The method according to claim 2, characterized in that The determining of the construction time of the natural gas pipeline in the target area based on the first to-be-constructed time, the second to-be-constructed time, and the third to-be-constructed time includes: Based on a preset planning strategy, determining the to-be-constructed time that needs to be deleted from the first to-be-constructed time, the second to-be-constructed time, and the third to-be-constructed time, and the target construction time of the natural gas pipeline in the target area; The target construction time is used as the construction time of the natural gas pipeline in the target area.

10. A pipeline construction time determination device, characterized in that: The pipeline construction time determination device includes: An acquisition module is used to obtain natural gas pipeline construction information in the target area; A determination module, configured to determine a construction period of the natural gas pipeline and the related supporting facilities based on the natural gas pipeline construction information; The determination module is further configured to determine a time to construct the natural gas pipeline in the target area based on the construction period, pipeline demand in the target area, and expected revenue after the natural gas construction.

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