67 results about "Engineering production" patented technology

The invention provides a motion control method based on a tower type pumping unit, which relates to the technical field of oil field oil production engineering, and comprises the following steps of: establishing a dynamic relationship among components of the tower type pumping unit according to energy consumption through a novel tower type pumping unit dynamic model established based on a Lagrange equation; according to the method, the relation between the variable suspension point load and the displacement and the speed at the suspension point is visually given, so that the built model can more accurately describe the motion relation at the suspension point of the tower type pumping unit, a theoretical basis is provided for designing a more accurate and more energy-saving control method, the tower type pumping unit is accurately controlled, and the operation efficiency of the tower type pumping unit is improved. A physical model of the tower type pumping unit is simplified, and controller design and fault diagnosis of the tower type pumping unit are facilitated.

A numerical simulation method for the integrity of cement sheath systems in oil and gas wells under alternating temperature and pressure is characterized by the use of extended finite element method (XFEM), concrete damage plasticity model theory, Cohesive element method, and bilinear traction separation criterion, based on elastoplastic theory and plastic damage theory. This method can simulate not only the failure process of the cement sheath-casing interface under alternating temperature and pressure and characterize the mechanical behavior of interface failure, but also the failure process of the cement sheath itself and characterize its mechanical behavior. By comprehensively analyzing the failure behavior of the cement sheath system integrity in oil and gas wells, this method enables a realistic evaluation, prediction, and diagnosis of the integrity of the casing-cement sheath-casing assembly system under alternating temperature and pressure, which helps optimize cement slurry systems, improve cementing quality, and prevent cement sheath integrity failure. This invention is applicable to the field of oil and gas drilling and production engineering technology.

The invention relates to the technical field of oil field oil production engineering, in particular to an underground data acquisition unit with flow, pressure and temperature monitoring functions and a method. The method is suitable for underground working condition monitoring of submersible motor type lifting equipment such as submersible screw pumps, submersible plunger pumps and submersible centrifugal pumps. The unit comprises a pressure-resistant shell, wherein a central pipe, an electromagnetic flowmeter, two pressure and temperature sensors and an underground parameter collector are integrated in the pressure-resistant shell; the two sensors are used for measuring the temperature and pressure of liquid flow of the central pipe and the temperature and pressure of an oil casing annulus respectively; the electromagnetic flowmeter measures the flow, and real-time temperature and pressure data are used for compensation to improve the precision. The unit is further provided with a collecting pipe, an upper end, a lower end, a connecting sliding ring, an annulus / oil pipe inner testing channel, a sealing rubber ring and the like. Through the integrated design, synchronous high-precision in-situ monitoring of underground key parameters is achieved, the problem that underground data of multiple instruments are not synchronous is solved, and a reliable data terminal is provided for an intelligent oil field.

The invention discloses a device for testing the sealing performance of a full-size sleeve-cement sheath-stratum combination of a hydrogen storage bank. Relates to the technical field of petroleum and natural gas drilling and production engineering, and is characterized in that the device comprises a sleeve-cement sheath-simulated stratum maintenance device for preparing the simulated stratum, an alternating load applying device and a sealing performance testing device; the method comprises the following steps: preparing a full-size simulated stratum through a maintenance device, constructing a'sleeve-cement sheath-simulated stratum 'integrated assembly by taking the full-size simulated stratum as a carrier, completing maintenance, and detecting the sealing integrity of the cement sheath after simulating the actual underground working condition; the simulation stratum capable of being used for testing the sealing performance of the cement sheath is prepared, the full-size simulation stratum serves as a core testing carrier, and quantitative evaluation of the sealing performance of the full-size cement sheath is achieved.

The application relates to the technical field of nuclear fuel assembly manufacturing, and particularly discloses a nuclear fuel assembly casting type upper tube seat machining clamp and a machining method, wherein the tube seat blank is placed on a bottom plate, a positioning top block is pushed, four positioning pins below a positioning push rod are centered with positioning holes of the tube seat blank; then a positioning rod B is screwed to shorten the distance with a positioning rod A; then locking screws and fastening bolts on the edge frame of a positioning frame plate are locked to fix the tube seat blank on the bottom plate, positioning is realized; finally, the positioning rod B is completely screwed out of the positioning rod A, the bottom plate, the positioning frame plate and the tube seat blank are integrally taken out and fixed on a machining equipment. The machining clamp and the machining method satisfy the positioning clamping and machining requirements of the casting type upper tube seat, the upper tube seat after machining completely satisfies the drawing and technical condition requirements, and the machining scheme satisfies the engineering production.

The invention provides an acid-resistant controllable dissolution coating for a soluble alloy, relates to the field of oil field oil production engineering, and aims to solve the problem that a soluble alloy material adopted by a soluble bridge plug in a high-temperature and acid environment cannot meet the construction environment requirements of acid fracturing fluid of an unconventional tight reservoir. A micro-arc oxidation coating is arranged on the surface of the soluble alloy; three dissolution starting holes with the depth reaching the surface of the soluble alloy are preset in the surface of the soluble alloy; and spraying a resin coating on the surface of the micro-arc oxidation coating. The acid-resistant controllable dissolution coating is applied to an acid-resistant soluble bridge plug tool body material used in unconventional tight reservoir large-scale fracturing, and the resin coating is sprayed on the surface of the soluble alloy after micro-arc oxidation treatment, so that the dissolution time of the soluble alloy in an acid fracturing fluid is effectively delayed; therefore, the effective pressure bearing time of a soluble bridge plug tool is prolonged, corrosion can be delayed for more than 8 hours in a high-temperature and acid environment, and the requirements of an unconventional tight reservoir acid fracturing fluid construction environment are met.

The utility model discloses a constructional engineering production safety protection bumping post device which comprises a first protection post and a second protection post, the front end in the first protection post is rotatably connected with a first winding post, and the rear end in the first protection post is rotatably connected with a second winding post. Transmission gears are fixedly mounted at the upper ends of the first winding column and the second winding column, an auxiliary gear is meshed between the transmission gears, an auxiliary shaft is fixedly mounted at the upper end of the auxiliary gear, and a rotating handle is fixedly mounted at the upper end of the auxiliary shaft. According to the safety protection bumping post device for constructional engineering production, the number of the first protection posts and the number of the second protection posts can be conveniently set according to the size of a construction site, so that the protection range of the protection bumping posts is adjusted, an auxiliary shaft is conveniently locked through cooperation of a locking gear and a clamping block, and the safety protection bumping post device is convenient to use. And therefore, locking of the first winding shaft and the second winding shaft is achieved, and the stability of the protective cloth during winding is improved.

The invention relates to the technical field of reliability engineering, in particular to a reliability evaluation method and evaluation device for an engineering production system, and the method comprises the steps: obtaining a reliability block diagram of the engineering production system, determining the metadata of each function block, generating a reliability function network, marking a typical reliability structure unit, and obtaining a reliability function network; the method comprises the following steps: determining a function subnet, configuring a time domain strategy to generate a self-adaptive time grid, solving the equivalent reliability of the function subnet at a self-adaptive time point of the self-adaptive time grid to obtain a reliability sampling sequence of the engineering production system, and generating a reliability evaluation result. Therefore, the problems that in the related technology, due to the fact that semantic information corresponding to a reliability block diagram depends on manual disassembly, and a reliability evaluation result is calculated through fixed step size discrete approximation, missed judgment and misjudged are likely to occur due to complex topology, the calculation precision is poor in a high-risk time period, the calculation efficiency is low in a stable time period, and engineering decision is difficult to support are solved.

The invention relates to the technical field of oil field oil production engineering, in particular to a sand blocking prevention rotational flow groove type sliding valve mechanism of a constant flow blanking plug for a water injection well. The mechanism comprises a fishing rod, the fishing rod penetrates through a pressing cap, a cam is inserted into the bottom end of the fishing rod, the pressing cap is connected with an upper body, the cam is installed on the upper body, the lower end of the upper body is connected with a lower body, the inner side of the lower body is connected with a sliding valve, a gap is formed between the sliding valve and the lower body, and a first contact face is arranged between the sliding valve and the lower body. The sliding valve is provided with at least one rotational flow groove, the rotational flow groove is spirally wound on the outer surface of the sliding valve, the upper end of the sliding valve is connected with a limiting righting rod, the limiting righting rod controls the sliding valve to rotate and slide in a reciprocating mode, a water nozzle is installed in the lower end of the sliding valve, a filter screen is installed at the bottom end of the lower body, and a plurality of O-shaped packing are installed on the filter screen. According to the sand blocking prevention rotational flow groove type sliding valve mechanism of the constant-flow blanking plug for the water injection well, the sand blocking probability of the sliding valve of the constant-flow blanking plug is effectively reduced, and the technological service life of the constant-flow blanking plug is prolonged.

The invention relates to the technical field of chemical vapor deposition, and discloses a supply device for controlling aluminide airflow and a use method, and a positioning sheet is matched with a fixed bracket, so that the device can be conveniently and quickly clamped, and the demand of large-scale engineering production is met. The gas flow distributor can equally divide the process gas, the gas outlet hole of the gas flow distributor accurately corresponds to the turbine blade cavity, the laminar flow phenomenon is effectively improved, and accurate supply and flow direction control of the process gas are achieved. The turbine blade is fully wrapped by the gas collection box, and the exhaust holes are formed in the lower portion of the gas collection box, so that process gas circulates in the gas collection box, the gas can be guided to fully infiltrate all the surfaces of the blade and complex blind cavity parts, and the uniformity of codeposition of an aluminide coating is guaranteed. The whole structural design is matched with the technological characteristics of CVA440BL-T type CVD equipment, deformation is small in the long-term high-temperature and strong-corrosion environment, stability and consistency in the deposition process are maintained, and the problem of deposition of coatings on the surfaces of complex inner cavities and flow channels of turbine blades is effectively solved.

The invention discloses a hydraulic engineering safety design parameter correction method based on big data service, and relates to the field of hydraulic engineering, and the method comprises the steps: building a plan splitting platform and a design safety value map, and calculating a design safety offset through the design safety value map; the plan splitting platform splits the security target data to form multiple stages of design data; forming collaborative design demand data containing priority weights; introducing a plurality of engineering design priority weights to obtain collaborative design data; and comparing the initial design parameter data with a triggering parameter correction step to obtain a final design plan parameter. Through constructing a three-dimensional design safety value map, space-time visual monitoring of cross-engineering production nodes is realized, and then an engineering personalized regulation factor is introduced, so that the accuracy of key node offset early warning is effectively improved, and meanwhile, through a design replacement mode, abnormal design is modified, so that quantitative decision is automatically realized.

The invention relates to the technical field of oil field oil production engineering, in particular to a small-diameter fracturing pipe column suitable for a small pocket well. The problems that an existing fracturing pipe column cannot fracture a small pocket sleeve to damage a well, movement cannot be opened after fracturing, stability is poor, and lifting of the pipe column is abnormal are mainly solved. The lower end of the oil pipe (2) is connected with a hydraulic anchor (4) through a safety connector (3), the lower end of the hydraulic anchor (4) is connected with a plurality of sliding sleeve sand blasters (4), the positions of the sliding sleeve sand blasters (4) on a pipe column correspond to all fractured layers respectively, and a sliding sleeve seat (5) is arranged below each stage of sliding sleeve sand blaster (4). The bottom of the sliding sleeve seat (5) at the lowest end is connected with a sand blower (6) without a sliding sleeve, and the sand blower (6) without the sliding sleeve corresponds to the fractured layer at the lowest end. The small-diameter fracturing tubular column of the small-pocket well can adapt to a casing damage well with a fracturing pocket larger than 3 m, the ultra-large sand adding scale can be achieved under the large displacement condition, and remaining oil of the small-pocket well can be effectively used.

The present application relates to oilfield production engineering technical field, especially a kind of for beam-pumping unit's suspension rope device.Mainly solve the problem that the load of some beam-pumping unit traction rope is large and affects traction rope life-span.Problem.It includes weight reduction device (3), the weight reduction device (3) includes pulley assembly (31), pulley assembly (31) includes main pulley (312) and installation shaft (311), wherein main pulley (312) is connected in the outside of installation shaft (311), and the lower end of installation shaft (311) is connected with intermediate shaft (313) by connecting rod (314);The traction rope (6) is fixed in the inside of main pulley (312) after passing through main pulley (312), and the upper end of wellhead suspension rope device (2) is connected wellhead traction rope, and wellhead traction rope is connected on intermediate shaft (313).The suspension rope device can greatly reduce the load borne by traction rope, thereby prolonging the service life of traction rope, reduce the loss caused by the breakage of traction rope.

The invention discloses a multi-station carrying, transferring and precise positioning driving line, and belongs to the technical field of factory mechanical equipment and automatic production, the multi-station carrying, transferring and precise positioning driving line comprises a plurality of stations, the stations are connected in sequence, tool plates are arranged on the stations in the length direction of the driving line in a sliding mode, and multiple sets of module driving assemblies are arranged on the stations; the multiple groups of module driving assemblies are arranged in the length direction of the driving line; a clamping point is fixedly arranged at the bottom of the tool plate, and the module driving assembly comprises a clamping assembly used for clamping the clamping point on the tool plate and a first driving piece used for driving the clamping assembly to move. The large-stroke precise displacement requirement is met, so that the displacement deviation is reduced, and the influence on precise engineering production and manufacturing is reduced.

The invention relates to the technical field of oil field oil production engineering, in particular to a soluble rubber cylinder pressure-bearing and dissolution rapid inspection device which comprises an upper connector, the top end of the upper connector is connected with a connector of a pressurizing pump, the lower end of the upper connector is connected with a pushing body, a simulation sleeve is installed between the upper connector and the pushing body, and the lower end of the pushing body is connected with a central pipe and an upper connecting body. The central pipe is connected with the upper connector, the lower end of the upper connector is connected with the rubber sleeve assembly, the lower end of the rubber sleeve assembly is connected with the adjustable push-down bodies, the adjustable push-down body at the tail end is connected with the simulation sleeve, the lower end of the simulation sleeve is connected with the real-time locking ring, the inner side of the real-time locking ring is detachably connected with the central pipe, and the pressurizing pump starts pressurizing through the pressing connector. The pushing body is pushed by the pressure of the pressurizing pump to move forwards, the pushing body drives the central pipe to move, the central pipe compresses the rubber sleeve assembly, the real-time locking ring is screwed in synchronously, and the central pipe is locked by the real-time locking ring. The device provided by the invention is simple in structure and convenient to operate, the test time is saved, and the detection efficiency is greatly improved.

This invention relates to the field of oil and gas field production engineering technology, and particularly to a clamping distance adjustment device for oil and gas well fracturing. It mainly solves the problem that existing fracturing systems can only connect to one clamping distance per trip, making well and layer selection difficult. The clamping distance adjustment device for oil and gas well fracturing includes an upper connector (1), the lower end of which is connected to a central tube (4). The central tube (4) is externally slidably connected to an outer sleeve (5). The lower end of the central tube (4) is internally threaded with a spring claw (7). The external boss of the spring claw (7) engages with the internal boss on the inner wall of the outer sleeve (5). A sliding sleeve (8) is provided inside the spring claw (7). A lower connector (9) is provided at the lower end of the spring claw (7). The sliding sleeve (8) and the lower connector (9) are connected by a shear pin (11). This clamping distance adjustment device for oil and gas well fracturing can be connected to the fracturing tubing string and can adjust the clamping distance even without raising the tubing string downhole, adapting to changes in reservoir thickness and enabling efficient development of thin and poor reservoirs.

The invention discloses an industrial automation-based sheet metal production engineering data automatic compilation system, which comprises a data acquisition module, a data preprocessing module, a feature extraction module, an engineering data compilation module, a database module and a data output module, the data acquisition module is in communication connection with the sheet metal raw material detection equipment, the product design terminal, the production equipment and the production data recording device and is used for acquiring sheet metal raw material parameters, product design parameters, production equipment parameters and historical production data. According to the sheet metal production engineering data automatic compilation system based on industrial automation, various data related to sheet metal production are comprehensively acquired through the data acquisition module, and accurate and effective data support is provided for engineering data compilation in combination with data preprocessing and feature extraction technologies; and by utilizing a machine learning model and a preset process rule in the engineering data compiling module, automatic compiling of sheet metal production engineering data is realized, and a large amount of manual intervention is not needed.

The method for predicting the service life of the coiled tubing under the cooperation of plasticity and damage is characterized in that the fatigue service life and the strain amplitude under the specific curvature radius are obtained through a full-size bending fatigue test, and the fatigue service life and the strain amplitude are substituted into a Manson-Coffin model to invert an unknown coefficient; the method comprises the following steps: determining mechanical parameters of a material in combination with a uniaxial tensile test, constructing a finite element mechanical model, carrying out finite element simulation on bending working conditions of a damaged coiled tubing on a roller and a guider, extracting strain amplitudes, and further establishing strain amplitude calculation models under different working conditions by adopting a Levenberg-Marquardt algorithm; coupling the model with a Manson-Coffin equation, and respectively constructing fatigue life prediction models of the roller and the guider; and on the basis of the Miner theory, three times of bending cycles with different curvatures in one trip are regarded as complete load cycles, an accumulated damage value is calculated, a correction coefficient is determined through low-cycle fatigue finite element simulation, a calculation model of the number of remaining trip times is established, and quantitative prediction of the remaining life is achieved. The method is suitable for the technical field of petroleum and natural gas drilling engineering.

The invention relates to the field of unloading platform construction, and discloses an assembly type high-rise housing unloading platform construction method which is applied to the assembly type high-rise housing main body structure construction process, an overhanging type unloading platform is arranged on an outer wall of a living hall of each floor of a residential building, and the implementation process is carried out in four stages. Comprising the following steps: a first stage: prefabricating and producing laminated slabs reserved with anchoring holes in batches at the background of a factory; in the second stage, laminated slab installation and cast-in-place layer shelving points, pulling points and supporting points are pre-buried at the front stage of the construction site; a third stage: assembling and putting the unloading platform into use; and a fourth stage, platform dismantling and preformed hole and embedded part processing are carried out, placing points, pulling joints and supporting points of the platform are all arranged on a stable main body structure (such as a shear wall outer wall frame beam), and through reliable connection, hidden dangers listed in the Municipal Engineering Production Safety Major Accident Potential Determination Standard of House Municipal Engineering Production Safety are effectively avoided.

Methods and systems are provided for scheduling and issuing interactive instructions for manufacturing of a product and product sub-assemblies. A project production engineering knowledge base including an interactive production portfolio is accessed, and a workplan specifying target times for completing one or more of the product and sub-assemblies is received. Responsively, a schedule for performing the assigned flow of steps (FOS) of each workstation is generated to meet FOS requirements of related tasks at other workstations. The assigned FOS is then provided at each workstation at the scheduled time, with feedback from each workstation indicative of completion of each step. The feedback is verified to before each subsequent instruction of the FOS is provided to the given workstation.

This invention relates to the field of construction engineering technology, specifically to a method and system for global optimization generation of engineering plans based on a multi-objective ant colony algorithm. The method includes initializing engineering and algorithm parameters, employing a non-uniform pheromone initialization strategy, constructing engineering activity paths based on an improved state transition probability formula, calculating path adaptability through a multi-objective fusion fitness function, iteratively optimizing using a dual pheromone update strategy (local and global), and outputting the optimal solution after verification and correction. The system adopts a modular design, supporting the entire process of method implementation. This invention achieves multi-objective collaborative optimization of schedule, cost, and resource utilization, improves algorithm convergence speed and optimization accuracy, adapts to various scenarios such as construction engineering and production line debugging, reduces implementation difficulty, provides reliable technical support for the efficient advancement of engineering plans, and possesses strong industrial application value.

The invention relates to the technical field of chip burning, in particular to a remote automatic burning method, device and equipment and a medium. The remote automatic burning method is applied to an upper computer, a circuit board identifier of a burning circuit board is obtained through the upper computer, an identification request is sent to a production and manufacturing integrated system according to the circuit board identifier, and a feedback result returned by the production and manufacturing integrated system is received; analyzing the feedback result to obtain a target software material number of the to-be-burned software, receiving a burning file sent by the software version management system and a configuration file corresponding to the burning file according to the target software material number, and generating a burning command script according to the burning file and the configuration file; and determining a burning simulator, and controlling the burning simulator to execute the burning command script for burning. The burning process is controlled through the upper computer, management and control of production engineers are not needed, the production engineers do not make direct contact with burning files, the risk of poor burning caused by manual operation is reduced, and the reliability of chip burning is improved.

A method for performing production engineering tasks includes receiving a question or instruction related to an oil and / or gas industry. The question or instruction is received by a large language model (LLM) agent. The method also includes selecting one or more tools from a plurality of tools using the LLM agent based upon the question or instruction. The tools include a data tool, a retrieval augmented generation (RAG) tool, a simulation tool, and an analytical tool. The method also includes generating output data related to the question or instruction using the one or more identified tools. The method also includes generating a response to the question or instruction using the LLM agent based upon output data.

The utility model relates to the field of oil industry production engineering, disclose a short rubber tube liquid self -expanding packer. Including the central pipe, the upper joint is connected to the central pipe upper end, the outer wall of central pipe is sleeved with packer seal self -expanding rubber tube, the packer seal self -expanding rubber tube includes the skin bowl, the water -swelling rubber tube and the cone that are sequentially sleeved on the outer wall of central pipe, the upper joint is connected with the skin bowl, be provided with the unsealing peg on the cone. The utility model forms the initial sealing barrier when the skin bowl is tightly attached to the well wall under the pressure, the volume expansion after the water -swelling rubber tube meets the liquid, fills the possible fine gap between the skin bowl and the well wall, forms double seal with the skin bowl, the maximum radial expansion of rubber is obtained in the combination of both, thereby guarantees the effective expansion sealing effect under the minimum rubber tube length, the sealing performance of packer is improved significantly, reduces the abnormal situation of setting because of the unreasonable structure, simplifies the operation process.

The application discloses a kind of steel structure appearance size one-key detection method based on electromagnetic induction, it is related to steel structure engineering production quality detection technical field, and the specific steps of the method are as follows: detector magnetism is attached to steel component, and after pressure standard, lock reference origin and start measurement;Device emits alternating electromagnetic field to collect component multi-path electromagnetic signal, and is transmitted to data processing unit;After signal inversion reconstruction three-dimensional profile, automatically extract size parameter, finally call component design tolerance data and compare measurement deviation, output component qualified determination result;The application relies on magnetic attraction positioning and temperature compensation to eliminate reference deviation, uses three-dimensional electromagnetic array and partition variable frequency excitation, matches multiple equipment wireless networking, adapts to detection of various long and short steel structures;Meanwhile, through prefabricated component database, three-dimensional profile inversion and automatic feature extraction, size is independently calculated, deviation is determined by grade and the result can be visualized, detection data is encrypted and archived, and compliance report is automatically generated.

The invention relates to the technical field of chemical vapor deposition equipment, and discloses a multi-station chemical vapor deposition metal cementation device which is characterized in that a tool main body is matched with a high-temperature reactor of the chemical vapor deposition equipment, and a plurality of clamping stations are matched through division of a plurality of layers of trays and a fan-shaped area, so that the maximum layout of the clamping stations is realized, and the working efficiency is improved. And the large-scale engineering production requirement is met, turbine blades of different models can be adapted, and good universality is achieved. The gas flow adjusting distributors are matched with the gas guide holes of the clamping stations, so that process gas can be effectively restrained to uniformly flow to the clamping stations, the industrial problems of uniform distribution and accurate distribution of the process gas in the large-volume high-temperature reactor are successfully solved, and uniform coating of aluminide infiltrated layers of blades of the stations is guaranteed. Meanwhile, the tool structure design of the adaptive equipment can adapt to a high-temperature and strong-corrosion process environment, deformation in long-term use is reduced, the requirement of the process for the stability of the device is met, the layout of all parts is reasonable, and rapid and efficient clamping is achieved in an assisting mode.

The present application relates to a kind of pumping unit polish rod wellhead sealing method, pumping unit sealing packing, belong to oilfield production engineering technical field.The polish rod wellhead sealing method of pumping unit of the present application, comprising the following steps: take annular washer and put into wellhead packing box cavity bottom on polish rod, then in packing box cavity alternately put into rubber strip and semi-solid lubricant, until to fill up packing seal box, then take annular washer and put into polish rod, install good gland and packing pressure cap, tighten;When putting into rubber strip, make rubber strip surround polish rod and place and in packing box cavity fill up a layer.The polish rod sealing method of pumping unit of the present application, completely solve the problem of difficult to add and take when replacing packing packing, reduce the labor intensity of post worker, especially applicable to the oil well of on-site polish rod not centering, and sealing effect is good, can effectively manage packing running, leaking and leaking phenomenon, reduce wear and tear, extend the use cycle of packing, realize the purpose of cost reduction and efficiency increase and energy saving and environmental protection.

This invention provides a standardized management method and system for water conservancy projects. The method specifically includes the following steps: dividing the production area of ​​the target water conservancy project into multiple unit grids; collecting environmental data and outdoor production operation data of the outdoor production area and indoor production operation data of the indoor production area within each unit grid; constructing a multi-dimensional data graph network; determining the outdoor safety risk level of the outdoor production area based on production risk correlation characteristics; determining the indoor safety risk level of the indoor production area based on indoor production operation data; calculating the grid production safety risk level of each unit grid; summarizing the grid production safety risk levels of all unit grids and weighting them to obtain the engineering production safety risk level of the target water conservancy project; and determining the corresponding risk standardization management strategy for the target water conservancy project based on the engineering production safety risk level. This invention has the effect of efficiently and objectively integrating and analyzing multi-source production data.

The invention belongs to the technical field of oil and gas field development, and provides a model library construction method based on digital twin injection-production engineering. Comprising the steps of integrating an injection-production engineering physical entity model, reconstructing a physical three-dimensional model of a physical entity, defining attributes of the physical three-dimensional model, embedding a formula algorithm, developing an interface, realizing data interaction and visual modeling, and displaying a production state. Boundary conditions are defined based on the physical three-dimensional model, simulation software is imported to form a simulation model, the accuracy of the simulation model is verified through comparison with actual data, and an interface is constructed for a user to operate and test the injection-production process; packaging to form a directly called engineering application component, a feature engineering component and a tool component supporting knowledge reuse; and integrating a plurality of injection-production engineering optimization algorithms by utilizing an algorithm interface, and constructing a water injection optimization and oil production quantity dynamic regulation and control model in combination with empirical rules and optimal practices of an injection-production process. According to the invention, an injection-production engineering digital twinborn model library which can realize efficient modeling, accurate simulation and optimization and a flexible and extensible system is established.

The present invention belongs to the technical field of oil and gas development and production engineering, and specifically relates to a method for judging the feasibility of a micro-saturated squeeze packing sand control process and a method for optimizing construction parameters. The feasibility judgment method includes the following steps: calculating the micro-saturated squeeze packing process feasibility judgment index MGPE: #imgabs0# (Ⅰ); judging the feasibility of the micro-saturated squeeze packing process based on MGPE: when MGPE < 0.25, the micro-saturated squeeze packing process is completely inapplicable to this well; when 0.25 ≤ MGPE ≤ 0.5, the micro-saturated squeeze packing process is not recommended; when 0.5 < MGPE ≤ 0.75, the micro-saturated squeeze packing process is recommended; when MGPE > 0.75, the oil well is completely suitable for the micro-saturated squeeze packing process. The present invention provides a simple and rapid method for the field to judge whether the reservoir is suitable for the unsaturated squeeze packing process, solves the problem of the lack of specific methods for well and layer selection in the previous micro-saturated squeeze packing sand control process, improves the scientificity of process decision-making, and helps to ensure the sand control effect.