Evaluation method, device and equipment of three-dimensional electrochemical oil production scheme and medium

Abstract

The invention discloses an evaluation method and device for a three-dimensional electrochemical oil production scheme, equipment and a medium. According to the method, numerical simulation is carried out on at least two candidate three-dimensional electrochemical oil production schemes of a target oil reservoir, and candidate slow release time corresponding to each three-dimensional electrochemical oil production scheme is determined; wherein the electric field parameters and the sustained-release membrane parameters of the candidate three-dimensional electrochemical oil production schemes are different; according to each candidate slow release time, each electric field parameter, each slow release membrane parameter, the cost of a unit mass slow release membrane and the cost of a unit electric field, comprehensive cost corresponding to each three-dimensional electrochemical oil production scheme is determined; and comparing the comprehensive costs, and determining the candidate three-dimensional electrochemical oil production scheme corresponding to the lowest comprehensive cost as a target three-dimensional electrochemical oil production scheme. According to the technical scheme, the cost of a three-dimensional electrochemical oil production scheme is reduced under the condition that it is ensured that the sustained-release film can effectively act on the oil production area, and data support is provided for design of the three-dimensional electrochemical oil production scheme.

Description

Technical Field

[0001] The present application relates to the field of oil production technology, and in particular to an evaluation method, device, equipment and medium for a three-dimensional electrochemical oil production scheme. Background Art

[0002] Electrical Enhanced Oil Recovery (EEOR) is an energy-based technology for improving oil recovery, including applying a DC electric field, radio frequency heating, microwave heating, and ultrasonic waves to the oil layer. Among them, applying a DC electric field to the oil layer is often accompanied by chemical reactions, so it can also be called electrochemical flooding.

[0003] In order to improve the oil recovery rate, the inventor has proposed a three-dimensional electrochemical oil recovery system and method based on particle electrodes. The invention adds particle electrodes to the traditional electrochemical drive, transforms the oil reservoir into a three-dimensional electrode system, and increases the electrochemical reaction area, thereby improving the oil recovery rate. In addition, the inventor has also proposed a preparation method of a particle electrode with slow release and electrophoresis functions in view of the shortcomings of ordinary particle electrodes in three-dimensional electrochemistry that are easily ineffectively adsorbed by the formation near the wellbore area and difficult to avoid the dominant channel of water drive. The prepared particle electrode has a slow release membrane that is sensitive to temperature and pH value and carries a certain charge. During the transportation process, the slow release membrane is gradually hydrolyzed and released, which can avoid ineffective adsorption of the formation near the wellbore area. At the same time, the migration path of the particle electrode is directionally regulated by electrophoresis, so that the particle electrode can effectively act on the remaining / residual oil area, reducing the cost of three-dimensional electrochemical oil recovery.

[0004] Compared with traditional electrochemical flooding, three-dimensional electrochemical oil recovery can improve oil recovery rate and reduce oil recovery cost to a certain extent, but it still cannot achieve the ideal three-dimensional electrochemical oil recovery effect. Therefore, how to provide a technical solution that can evaluate different three-dimensional electrochemical oil recovery schemes is a technical problem that technicians in this field need to solve urgently. Summary of the invention

[0005] The present application provides a method, device, equipment and medium for evaluating a three-dimensional electrochemical oil recovery scheme, so as to reduce the cost of the three-dimensional electrochemical oil recovery scheme while ensuring that the sustained-release membrane can effectively act on the oil recovery area, and provide data support for the design of the three-dimensional electrochemical oil recovery scheme.

[0006] According to one aspect of the present application, a method for evaluating a three-dimensional electrochemical oil recovery scheme is provided, the method comprising:

[0007] Performing numerical simulation on at least two candidate three-dimensional electrochemical oil recovery schemes for the target oil reservoir to determine candidate sustained-release times corresponding to the three-dimensional electrochemical oil recovery schemes; wherein the electric field parameters and sustained-release membrane parameters of the candidate three-dimensional electrochemical oil recovery schemes are different;

[0008] Determining the comprehensive cost corresponding to each of the three-dimensional electrochemical oil recovery schemes according to each of the candidate sustained-release times, each of the electric field parameters, each of the sustained-release membrane parameters, the cost of the sustained-release membrane per unit mass, and the cost of the unit electric field;

[0009] By comparing the comprehensive costs, the candidate three-dimensional electrochemical oil recovery scheme corresponding to the lowest comprehensive cost is determined as the target three-dimensional electrochemical oil recovery scheme.

[0010] According to another aspect of the present application, a three-dimensional electrochemical oil recovery scheme evaluation device is provided, the device comprising:

[0011] A slow-release time determination module is used to perform numerical simulation on at least two candidate three-dimensional electrochemical oil recovery schemes of the target oil reservoir to determine the candidate slow-release time corresponding to each of the three-dimensional electrochemical oil recovery schemes; wherein the electric field parameters and slow-release membrane parameters of each of the candidate three-dimensional electrochemical oil recovery schemes are different;

[0012] A comprehensive cost determination module, used to determine the comprehensive cost corresponding to each of the three-dimensional electrochemical oil recovery schemes according to each of the candidate slow-release times, each of the electric field parameters, each of the slow-release membrane parameters, the cost of the slow-release membrane per unit mass, and the cost of the unit electric field;

[0013] The target scheme determination module is used to compare the comprehensive costs and determine the candidate three-dimensional electrochemical oil recovery scheme corresponding to the lowest comprehensive cost as the target three-dimensional electrochemical oil recovery scheme.

[0014] According to another aspect of the present application, a three-dimensional electrochemical oil recovery scheme evaluation device is provided, the device comprising:

[0015] at least one processor; and

[0016] a memory communicatively connected to the at least one processor; wherein,

[0017] The memory stores a computer program that can be executed by the at least one processor, and the computer program is executed by the at least one processor so that the at least one processor can execute the evaluation method of the three-dimensional electrochemical oil production scheme described in any embodiment of the present application.

[0018] According to another aspect of the present application, a computer-readable storage medium is provided, wherein the computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a processor to implement the evaluation method of the three-dimensional electrochemical oil production scheme described in any embodiment of the present application when executed.

[0019] The technical solution provided in this application determines the candidate slow-release time corresponding to each three-dimensional electrochemical oil production scheme by numerically simulating at least two candidate three-dimensional electrochemical oil production schemes for the target oil reservoir; wherein the electric field parameters and slow-release membrane parameters of each candidate three-dimensional electrochemical oil production scheme are different; the comprehensive cost corresponding to each three-dimensional electrochemical oil production scheme is determined according to each candidate slow-release time, each electric field parameter, each slow-release membrane parameter, the cost of the slow-release membrane per unit mass, and the cost of the unit electric field; and the candidate three-dimensional electrochemical oil production scheme corresponding to the lowest comprehensive cost is determined as the target three-dimensional electrochemical oil production scheme by comparing the comprehensive costs. This technical solution is to reduce the cost of the three-dimensional electrochemical oil production scheme while ensuring that the slow-release membrane can effectively act on the oil production area, and provide data support for the design of the three-dimensional electrochemical oil production scheme.

[0020] It should be understood that the content described in this section is not intended to identify the key or important features of the embodiments of the present application, nor is it intended to limit the scope of the present application. Other features of the present application will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. 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 creative work.

[0022] Figure 1 A flow chart of a method for evaluating a three-dimensional electrochemical oil recovery scheme provided in Example 1 of the present application;

[0023] Figure 2 A flow chart of a method for evaluating a three-dimensional electrochemical oil recovery scheme provided in Example 2 of the present application;

[0024] Figure 3 A schematic diagram of the structure of an evaluation device for a three-dimensional electrochemical oil recovery scheme provided in Example 3 of the present application;

[0025] Figure 4 It is a structural schematic diagram of a device for implementing a method for evaluating a three-dimensional electrochemical oil recovery scheme in an embodiment of the present application. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0027] It should be noted that the terms "first", "second", "comprehensive", "target", "candidate", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0028] Embodiment 1

[0029] Figure 1 This is a flow chart of a method for evaluating a three-dimensional electrochemical oil recovery scheme provided in Example 1 of the present application. This embodiment is applicable to the situation of evaluating a three-dimensional electrochemical oil recovery scheme. The method can be executed by an evaluation device for a three-dimensional electrochemical oil recovery scheme. The evaluation device for a three-dimensional electrochemical oil recovery scheme can be implemented in the form of hardware and / or software. The evaluation device for a three-dimensional electrochemical oil recovery scheme can be configured in a device with data processing capabilities. Figure 1 As shown, the method includes:

[0030] S110, numerically simulate at least two candidate three-dimensional electrochemical oil recovery schemes for the target oil reservoir to determine candidate sustained-release times corresponding to the candidate three-dimensional electrochemical oil recovery schemes, wherein the electric field parameters and sustained-release membrane parameters of the candidate three-dimensional electrochemical oil recovery schemes are different.

[0031] Among them, the three-dimensional electrochemical oil recovery scheme can be to lower the first electrode to the preset position of the injection well, lower the second electrode to the preset position of the production well, connect the driving pump with the wellbore of the injection well; open the valves of the injection water container and the particle electrode container, and pump the displacement fluid obtained by mixing the injection water and the particle electrode oil displacement agent in a preset ratio into the wellbore of the injection well through the driving pump; turn on the power supply, apply an electric field between the injection well and the production well, and displace at the first preset displacement speed. Among them, the particle electrode has a slow-release membrane that is sensitive to temperature and pH value and carries a certain charge to avoid ineffective adsorption in the near-well area. During the transportation process, the slow-release membrane is gradually hydrolyzed and released, and the migration path of the particle electrode is directionally regulated by electrophoresis, so that the particle electrode can effectively act on the remaining / residual oil area.

[0032] The electric field parameters can be used to regulate the electric field applied between the injection well and the production well, and the slow-release membrane parameters can be used to regulate the particle electrode. Optionally, the electric field parameters include at least one of electric field voltage, electric field resistance, electric field intensity, electric field direction, and electric field action frequency, and the slow-release membrane parameters include at least one of slow-release membrane concentration and degradation rate.

[0033] Among them, the candidate sustained release time can be the ideal sustained release time of the candidate three-dimensional electrochemical oil recovery scheme, that is, the sustained release membrane just degrades and disappears when it reaches the designated area, and the ideal three-dimensional electrochemical oil recovery effect can be achieved.

[0034] Specifically, the electric field parameters and the slow-release membrane parameters may be divided and combined within a preset threshold according to a preset division standard to obtain at least two candidate three-dimensional electrochemical oil recovery schemes.

[0035] In an embodiment of the present invention, a reservoir numerical simulation model can be established for the target reservoir, and the parameters of the reservoir numerical simulation model can be adjusted according to each candidate three-dimensional electrochemical oil production scheme to determine the candidate reservoir numerical simulation model; the candidate reservoir numerical simulation model is run, and the candidate sustained release time corresponding to the candidate three-dimensional electrochemical oil production scheme is determined according to the output of the model.

[0036] Optionally, numerical simulation is performed on at least two candidate three-dimensional electrochemical oil production schemes to determine the candidate sustained-release time corresponding to each of the candidate three-dimensional electrochemical oil production schemes, including: establishing a three-dimensional electrochemical flooding model of the target oil reservoir; based on the three-dimensional electrochemical flooding model, numerical simulation is performed on at least two candidate three-dimensional electrochemical oil production schemes, and the time required for the tracer to reach the target position is determined as the candidate sustained-release time.

[0037] The three-dimensional electrochemical flooding model can be established by chemical flooding simulators such as ECLIPSE, VIP-POLYMER, UTCHEM, OpenFOAM, etc. Specifically, it can be established according to the principle of the three-dimensional electrochemical oil recovery scheme. The target position in the three-dimensional electrochemical oil recovery scheme can be the production well position.

[0038] Specifically, the electric field parameters and slow-release membrane parameters of the three-dimensional electrochemical drive model are adjusted according to the candidate three-dimensional electrochemical oil recovery scheme; a tracer is added to the injection well of the three-dimensional electrochemical drive model, and a first timestamp is recorded; a second timestamp is recorded when the production well obtains the tracer; and the difference between the first timestamp and the second timestamp is determined as the candidate slow-release time.

[0039] S120, determining the comprehensive cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes according to each of the candidate sustained-release times, each of the electric field parameters, each of the sustained-release membrane parameters, the cost of the sustained-release membrane per unit mass, and the cost of the unit electric field.

[0040] Among them, the cost of the slow-release membrane per unit mass and the cost of the electric field per unit mass can be determined according to the market value. The comprehensive cost can be the total implementation cost of the slow-release membrane in the candidate three-dimensional electrochemical oil recovery scheme to complete the degradation within the ideal slow-release time.

[0041] Exemplarily, the cost of the sustained-release membrane to be consumed can be determined based on the candidate sustained-release time, sustained-release membrane parameters and the cost per unit mass of the sustained-release membrane; the cost of electricity to be consumed can be determined based on the candidate sustained-release time, electric field parameters and the cost per unit electric field; and the sum of the sustained-release membrane cost and the electricity cost can be taken as the comprehensive cost.

[0042] As another example, the cost of the sustained-release membrane to be consumed can be determined based on the candidate sustained-release time, the sustained-release membrane parameters and the cost of the sustained-release membrane per unit mass; the electric field action time can be determined based on the electric field action frequency, and then the cost of electricity to be consumed can be determined based on the electric field action time, the electric field strength and the cost per unit electric field; and the sum of the sustained-release membrane cost and the electricity cost can be taken as the comprehensive cost.

[0043] S130, comparing the comprehensive costs, and determining the candidate three-dimensional electrochemical oil recovery scheme corresponding to the lowest comprehensive cost as the target three-dimensional electrochemical oil recovery scheme.

[0044] Exemplarily, the comprehensive costs of the candidate three-dimensional electrochemical oil production schemes can be analyzed by orthogonal test method, and the candidate three-dimensional electrochemical oil production scheme corresponding to the lowest comprehensive cost can be determined as the target three-dimensional electrochemical oil production scheme.

[0045] As another example, the comprehensive costs of the candidate three-dimensional electrochemical oil production schemes may be sorted in ascending order, and the candidate three-dimensional electrochemical oil production scheme that ranks first may be determined as the target three-dimensional electrochemical oil production scheme.

[0046] The embodiment of the present invention provides an evaluation method for a three-dimensional electrochemical oil production scheme, which determines the candidate slow-release time corresponding to each three-dimensional electrochemical oil production scheme by numerically simulating at least two candidate three-dimensional electrochemical oil production schemes for the target reservoir; wherein the electric field parameters and slow-release membrane parameters of each candidate three-dimensional electrochemical oil production scheme are different; the comprehensive cost corresponding to each three-dimensional electrochemical oil production scheme is determined according to each candidate slow-release time, each electric field parameter, each slow-release membrane parameter, the cost of the slow-release membrane per unit mass, and the cost of the unit electric field; and the comprehensive costs are compared, and the candidate three-dimensional electrochemical oil production scheme corresponding to the lowest comprehensive cost is determined as the target three-dimensional electrochemical oil production scheme. This technical scheme is to reduce the cost of the three-dimensional electrochemical oil production scheme while ensuring that the slow-release membrane can effectively act on the oil production area, and provide data support for the design of the three-dimensional electrochemical oil production scheme.

[0047] Embodiment 2

[0048] Figure 2 This is a flow chart of a method for evaluating a three-dimensional electrochemical oil recovery scheme provided in Example 2 of this application. This example is optimized based on the above example. Figure 2 As shown, the method of this embodiment specifically includes the following steps:

[0049] S210, numerically simulate at least two candidate three-dimensional electrochemical oil recovery schemes for the target oil reservoir to determine candidate sustained-release times corresponding to the candidate three-dimensional electrochemical oil recovery schemes, wherein the electric field parameters and sustained-release membrane parameters of the candidate three-dimensional electrochemical oil recovery schemes are different.

[0050] S220, determining a first cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes according to each of the candidate sustained-release times, each of the sustained-release membrane parameters and the cost per unit mass of the sustained-release membrane.

[0051] In the embodiment of the present invention, different types of slow-release membrane parameters have different ways of determining the first cost. For example, if the slow-release membrane parameter is the slow-release membrane concentration, the slow-release membrane mass can be determined according to the slow-release membrane concentration and the candidate slow-release time, and then the first cost can be determined according to the slow-release membrane mass and the cost per unit mass of the slow-release membrane.

[0052] Optionally, the slow-release membrane parameters include at least a degradation rate; and according to each of the candidate slow-release times, each of the slow-release membrane parameters and the cost per unit mass of the slow-release membrane, determining the first cost corresponding to each of the candidate three-dimensional electrochemical oil production schemes, including: determining the mass of each slow-release membrane degraded within the candidate slow-release time according to each of the degradation rates and each of the candidate slow-release times; determining the first cost corresponding to each of the candidate three-dimensional electrochemical oil production schemes according to the mass of each slow-release membrane degraded within the candidate slow-release time and the cost per unit mass of the slow-release membrane.

[0053] The degradation rate may be the mass loss rate of the sustained-release membrane during the flow process, which may be determined in advance based on a degradation test according to the mass of the sustained-release membrane degraded within a certain period of time.

[0054] Specifically, the mass of the sustained-release membrane degraded within the candidate sustained-release time can be determined by the following formula: y=s×t; wherein y is the mass of the sustained-release membrane degraded within the candidate sustained-release time, s is the degradation rate, and t is the candidate sustained-release time.

[0055] Specifically, the first cost can be determined by the following formula: n=y×H; wherein n is the first cost, and H is the cost per unit mass of the sustained-release membrane.

[0056] S230: Determine a second cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes according to each of the candidate sustained-release times, each of the electric field parameters, and the cost per unit electric field.

[0057] In the embodiment of the present invention, different types of electric field parameters have different ways of determining the first cost. For example, if the electric field parameters are electric field strength and electric field action frequency, the electric field action time can be determined according to the electric field action frequency, and then the total amount of electricity can be determined according to the electric field strength and the electric field action time, and then the second cost corresponding to the candidate three-dimensional electrochemical oil recovery scheme can be determined according to the total amount of electricity and the unit electric field cost.

[0058] Optionally, the electric field parameters include at least electric field voltage and electric field resistance; the second cost corresponding to each of the candidate three-dimensional electrochemical oil production schemes is determined based on each of the candidate sustained release times, each of the electric field parameters and the cost per unit electric field, including: determining the power of each of the electric fields based on each of the electric field voltages and each of the electric field resistances; determining the amount of electricity consumed by each of the electric fields within the candidate sustained release time based on the power of each of the electric fields and each of the candidate sustained release times; and determining the second cost corresponding to each of the candidate three-dimensional electrochemical oil production schemes based on each of the amounts of electricity and the cost per unit electric field.

[0059] Specifically, the power of the electric field can be determined by the following formula: Among them, P is the power of the electric field, U is the electric field voltage, and R is the electric field resistance.

[0060] Specifically, the amount of electricity consumed by the electric field during the candidate sustained-release time can be determined by the following formula: x=P×t; wherein x is the amount of electricity consumed by the electric field during the candidate sustained-release time.

[0061] Specifically, the second cost can be determined by the following formula: m=x×D; wherein m is the second cost, and D is the cost per unit electric field.

[0062] S240. Determine the comprehensive cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes according to the first cost and the second cost.

[0063] S250, comparing the comprehensive costs, and determining the candidate three-dimensional electrochemical oil recovery scheme corresponding to the lowest comprehensive cost as the target three-dimensional electrochemical oil recovery scheme.

[0064] Optionally, after determining the candidate three-dimensional electrochemical oil production scheme corresponding to the lowest comprehensive cost as the target three-dimensional electrochemical oil production scheme according to each of the comprehensive costs, the method further includes: according to the target three-dimensional electrochemical oil production scheme, determining the mass of the slow-release membrane in the target three-dimensional electrochemical oil production scheme degraded within the candidate slow-release time as the target slow-release membrane mass.

[0065] The mass of the slow-release membrane degraded within the candidate slow-release time may be the mass obtained when calculating the first cost. In addition, the electric field parameters corresponding to the target three-dimensional electrochemical oil recovery scheme may be determined as the target electric field parameters.

[0066] The beneficial effect of the above scheme is that it provides data support for technicians to formulate target three-dimensional electrochemical oil recovery plans and prepare particle electrodes, thereby improving the efficiency and accuracy of formulating and implementing three-dimensional electrochemical oil recovery plans.

[0067] The embodiment of the present invention provides an evaluation method for a three-dimensional electrochemical oil recovery scheme, which determines the candidate slow release time corresponding to each three-dimensional electrochemical oil recovery scheme by numerically simulating at least two candidate three-dimensional electrochemical oil recovery schemes for the target reservoir; wherein the electric field parameters and slow release membrane parameters of each candidate three-dimensional electrochemical oil recovery scheme are different; according to each candidate slow release time, each slow release membrane parameter and the cost of the slow release membrane per unit mass, the first cost corresponding to each candidate three-dimensional electrochemical oil recovery scheme is determined; according to each candidate slow release time, each electric field parameter and the cost per unit electric field, the second cost corresponding to each candidate three-dimensional electrochemical oil recovery scheme is determined; according to the first cost and the second cost, the comprehensive cost corresponding to each candidate three-dimensional electrochemical oil recovery scheme is determined; and by comparing the comprehensive costs, the candidate three-dimensional electrochemical oil recovery scheme corresponding to the lowest comprehensive cost is determined as the target three-dimensional electrochemical oil recovery scheme. This technical solution improves the calculation of the ideal cost of each candidate three-dimensional electrochemical oil recovery scheme, so as to comprehensively optimize the implementation cost of the three-dimensional electrochemical oil recovery scheme, and provide data support for the design of the three-dimensional electrochemical oil recovery scheme.

[0068] Embodiment 3

[0069] Figure 3 This is a schematic diagram of the structure of a three-dimensional electrochemical oil recovery scheme evaluation device provided in Example 3 of this application. Figure 3 As shown, the device comprises:

[0070] The slow-release time determination module 310 is used to perform numerical simulation on at least two candidate three-dimensional electrochemical oil recovery schemes of the target oil reservoir to determine the candidate slow-release time corresponding to each of the three-dimensional electrochemical oil recovery schemes; wherein the electric field parameters and slow-release membrane parameters of each of the candidate three-dimensional electrochemical oil recovery schemes are different;

[0071] A comprehensive cost determination module 320, for determining the comprehensive cost corresponding to each of the three-dimensional electrochemical oil recovery schemes according to each of the candidate slow-release times, each of the electric field parameters, each of the slow-release membrane parameters, the cost of the slow-release membrane per unit mass, and the cost of the unit electric field;

[0072] The target solution determination module 330 is used to compare the comprehensive costs and determine the candidate three-dimensional electrochemical oil recovery solution corresponding to the lowest comprehensive cost as the target three-dimensional electrochemical oil recovery solution.

[0073] Furthermore, the release time determination module 310 includes:

[0074] Electrochemical flooding model building unit, used to build a three-dimensional electrochemical flooding model of the target reservoir;

[0075] The slow-release time determination unit is used to perform numerical simulation on at least two candidate three-dimensional electrochemical oil recovery schemes according to the three-dimensional electrochemical flooding model, and determine the time required for the tracer to reach the target position as the candidate slow-release time.

[0076] Furthermore, the comprehensive cost determination module 320 includes:

[0077] A first cost determination unit, used for determining a first cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes according to each of the candidate slow-release times, each of the slow-release membrane parameters and the cost of the slow-release membrane per unit mass;

[0078] A second cost determination unit, configured to determine a second cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes according to each of the candidate sustained-release times, each of the electric field parameters, and the cost per unit electric field;

[0079] The comprehensive cost determination unit is used to determine the comprehensive cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes according to the first cost and the second cost.

[0080] Furthermore, the sustained-release membrane parameters include at least a degradation rate;

[0081] The first cost determination unit includes:

[0082] A sustained-release membrane quality determination subunit, used to determine the quality of each sustained-release membrane degraded within the candidate sustained-release time according to each degradation rate and each candidate sustained-release time;

[0083] The first cost determination subunit is used to determine the first cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes according to the mass of each slow-release membrane degraded within the candidate slow-release time and the cost of the slow-release membrane per unit mass.

[0084] Furthermore, the electric field parameters include at least electric field voltage and electric field resistance;

[0085] The second cost determination unit comprises:

[0086] An electric field power determination subunit, used to determine the power of each of the electric fields according to each of the electric field voltages and each of the electric field resistances;

[0087] An electric field power determination subunit, used to determine the power consumed by each of the electric fields within the candidate release time according to the power of each of the electric fields and each of the candidate release time;

[0088] The second cost determination subunit is used to determine the second cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes according to the cost of each of the electric quantities and the unit electric field.

[0089] Furthermore, the electric field parameters include at least one of electric field voltage, electric field resistance, electric field strength, electric field direction and electric field action frequency, and the sustained-release membrane parameters include at least one of sustained-release membrane concentration and degradation rate.

[0090] Furthermore, the device also includes:

[0091] The target slow-release membrane quality determination module is used to determine the candidate three-dimensional electrochemical oil production scheme corresponding to the lowest comprehensive cost as the target three-dimensional electrochemical oil production scheme according to the comprehensive costs, and then determine the quality of the slow-release membrane in the target three-dimensional electrochemical oil production scheme degraded within the candidate slow-release time as the target slow-release membrane quality according to the target three-dimensional electrochemical oil production scheme.

[0092] An evaluation device for a three-dimensional electrochemical oil production scheme provided in an embodiment of the present application can execute an evaluation method for a three-dimensional electrochemical oil production scheme provided in any embodiment of the present application, and has functional modules and beneficial effects corresponding to the execution method.

[0093] Embodiment 4

[0094] Figure 4A schematic diagram of a device 10 that can be used to implement an embodiment of the present application is shown. The device is intended to represent various forms of digital computers, such as laptop computers, desktop computers, workbenches, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. The device can also represent various forms of mobile devices, such as personal digital processing, cellular phones, smart phones, wearable devices (such as helmets, glasses, watches, etc.) and other similar computing devices. The components shown herein, their connections and relationships, and their functions are merely examples and are not intended to limit the implementation of the present application described and / or required herein.

[0095] like Figure 4 As shown, the device 10 includes at least one processor 11, and a memory connected to the at least one processor 11, such as a read-only memory (ROM) 12, a random access memory (RAM) 13, etc., wherein the memory stores a computer program that can be executed by at least one processor, and the processor 11 can perform various appropriate actions and processes according to the computer program stored in the read-only memory (ROM) 12 or the computer program loaded from the storage unit 18 to the random access memory (RAM) 13. In the RAM 13, various programs and data required for the operation of the device 10 can also be stored. The processor 11, ROM 12 and RAM 13 are connected to each other through a bus 14. An input / output (I / O) interface 15 is also connected to the bus 14.

[0096] A number of components in the device 10 are connected to the I / O interface 15, including: an input unit 16, such as a keyboard, a mouse, etc.; an output unit 17, such as various types of displays, speakers, etc.; a storage unit 18, such as a disk, an optical disk, etc.; and a communication unit 19, such as a network card, a modem, a wireless communication transceiver, etc. The communication unit 19 allows the device 10 to exchange information / data with other devices through a computer network such as the Internet and / or various telecommunication networks.

[0097] The processor 11 may be a variety of general and / or special processing components with processing and computing capabilities. Some examples of the processor 11 include, but are not limited to, a central processing unit (CPU), a graphics processing unit (GPU), various special artificial intelligence (AI) computing chips, various processors running machine learning model algorithms, a digital signal processor (DSP), and any appropriate processor, controller, microcontroller, etc. The processor 11 executes the various methods and processes described above, such as the evaluation method of the three-dimensional electrochemical oil recovery scheme.

[0098] In some embodiments, the evaluation method of the three-dimensional electrochemical oil recovery scheme can be implemented as a computer program, which is tangibly contained in a computer-readable storage medium, such as a storage unit 18. In some embodiments, part or all of the computer program can be loaded and / or installed on the device 10 via the ROM 12 and / or the communication unit 19. When the computer program is loaded into the RAM 13 and executed by the processor 11, one or more steps of the evaluation method of the three-dimensional electrochemical oil recovery scheme described above can be performed. Alternatively, in other embodiments, the processor 11 can be configured to execute the evaluation method of the three-dimensional electrochemical oil recovery scheme by any other appropriate means (for example, by means of firmware).

[0099] Various implementations of the systems and techniques described above herein can be implemented in digital electronic circuit systems, integrated circuit systems, field programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), application specific standard products (ASSPs), systems on chips (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various implementations can include: being implemented in one or more computer programs that can be executed and / or interpreted on a programmable system including at least one programmable processor, which can be a special purpose or general purpose programmable processor that can receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.

[0100] The computer programs for implementing the methods of the present application may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing device, so that when the computer programs are executed by the processor, the functions / operations specified in the flow charts and / or block diagrams are implemented. The computer programs may be executed entirely on the machine, partially on the machine, partially on the machine and partially on a remote machine as a stand-alone software package, or entirely on a remote machine or server.

[0101] In the context of the present application, a computer readable storage medium may be a tangible medium that may contain or store a computer program for use by or in conjunction with an instruction execution system, device or equipment. A computer readable storage medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, devices or equipment, or any suitable combination of the foregoing. Alternatively, a computer readable storage medium may be a machine readable signal medium. A more specific example of a machine readable storage medium may include an electrical connection based on one or more lines, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

[0102] To provide interaction with a user, the systems and techniques described herein can be implemented on a device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user; and a keyboard and a pointing device (e.g., a mouse or trackball) through which the user can provide input to the device. Other types of devices can also be used to provide interaction with the user; for example, the feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user can be received in any form (including acoustic input, voice input, or tactile input).

[0103] The systems and techniques described herein may be implemented in a computing system that includes backend components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes frontend components (e.g., a user computer with a graphical user interface or a web browser through which a user can interact with implementations of the systems and techniques described herein), or a computing system that includes any combination of such backend components, middleware components, or frontend components. The components of the system may be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: a local area network (LAN), a wide area network (WAN), a blockchain network, and the Internet.

[0104] A computing system may include a client and a server. The client and the server are generally remote from each other and usually interact through a communication network. The client and server relationship is generated by computer programs running on the corresponding computers and having a client-server relationship with each other. The server may be a cloud server, also known as a cloud computing server or cloud host, which is a host product in the cloud computing service system to solve the defects of difficult management and weak business scalability in traditional physical hosts and VPS services.

[0105] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps recorded in this application can be executed in parallel, sequentially or in different orders, as long as the expected results of the technical solution of this application can be achieved, and this document is not limited here.

[0106] The above specific implementations do not constitute a limitation on the protection scope of this application. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this application should be included in the protection scope of this application.

Claims

1. A method for evaluating a three-dimensional electrochemical oil recovery scheme, characterized in that: The method comprises: Performing numerical simulation on at least two candidate three-dimensional electrochemical oil recovery schemes for the target oil reservoir to determine candidate sustained-release times corresponding to the candidate three-dimensional electrochemical oil recovery schemes; wherein the electric field parameters and sustained-release membrane parameters of the candidate three-dimensional electrochemical oil recovery schemes are different; Determining the comprehensive cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes according to each of the candidate sustained-release times, each of the electric field parameters, each of the sustained-release membrane parameters, the cost of the sustained-release membrane per unit mass, and the cost of the unit electric field; By comparing the comprehensive costs, the candidate three-dimensional electrochemical oil recovery scheme corresponding to the lowest comprehensive cost is determined as the target three-dimensional electrochemical oil recovery scheme.

2. The method according to claim 1, characterized in that Numerical simulation is performed on at least two candidate three-dimensional electrochemical oil recovery schemes to determine candidate sustained release times corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes, including: Establish a three-dimensional electrochemical flooding model for the target reservoir; According to the three-dimensional electrochemical flooding model, numerical simulation is performed on at least two candidate three-dimensional electrochemical oil recovery schemes, and the time required for the tracer to reach the target position is determined as the candidate slow release time.

3. The method according to claim 1, characterized in that According to the candidate slow-release time corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes, each of the electric field parameters, each of the slow-release membrane parameters, the cost of the slow-release membrane per unit mass, and the cost of the unit electric field, the comprehensive cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes is determined, including: Determining a first cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes according to each of the candidate sustained-release times, each of the sustained-release membrane parameters and the cost of the sustained-release membrane per unit mass; Determining a second cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes according to each of the candidate sustained-release times, each of the electric field parameters, and the cost per unit electric field; The comprehensive cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes is determined according to the first cost and the second cost.

4. The method according to claim 3, characterized in that: The sustained-release membrane parameters include at least degradation rate; Determining the first cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes according to each of the candidate slow-release times, each of the slow-release membrane parameters and the cost per unit mass of the slow-release membrane includes: Determining the degradation mass of each sustained-release membrane within the candidate sustained-release time according to each of the degradation rates and each of the candidate sustained-release times; The first cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes is determined according to the mass of each of the slow-release membranes degraded within the candidate slow-release time and the cost of the slow-release membrane per unit mass.

5. The method according to claim 3, characterized in that: The electric field parameters include at least electric field voltage and electric field resistance; Determining the second cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes according to each of the candidate sustained-release time, each of the electric field parameters, and the cost per unit electric field includes: Determining the power of each of the electric fields according to each of the electric field voltages and each of the electric field resistances; Determining the amount of electricity consumed by each of the electric fields within the candidate release time according to the power of each of the electric fields and each of the candidate release time; The second cost corresponding to each of the candidate three-dimensional electrochemical oil recovery schemes is determined according to the cost of each of the electrical quantities and the unit electric field.

6. The method according to claim 1, characterized in that The electric field parameters include at least one of electric field voltage, electric field resistance, electric field strength, electric field direction and electric field action frequency, and the sustained-release membrane parameters include at least one of sustained-release membrane concentration and degradation rate.

7. The method according to claim 4, characterized in that After determining the candidate three-dimensional electrochemical oil recovery scheme corresponding to the lowest comprehensive cost as the target three-dimensional electrochemical oil recovery scheme according to the comprehensive costs, the method further includes: According to the target three-dimensional electrochemical oil recovery scheme, the mass of the slow-release membrane in the target three-dimensional electrochemical oil recovery scheme that is degraded within the candidate slow-release time is determined as the target slow-release membrane mass.

8. A three-dimensional electrochemical oil recovery scheme evaluation device, characterized in that: The device comprises: A slow-release time determination module is used to perform numerical simulation on at least two candidate three-dimensional electrochemical oil recovery schemes of the target oil reservoir to determine the candidate slow-release time corresponding to each of the three-dimensional electrochemical oil recovery schemes; wherein the electric field parameters and slow-release membrane parameters of each of the candidate three-dimensional electrochemical oil recovery schemes are different; A comprehensive cost determination module, used to determine the comprehensive cost corresponding to each of the three-dimensional electrochemical oil recovery schemes according to each of the candidate slow-release times, each of the electric field parameters, each of the slow-release membrane parameters, the cost of the slow-release membrane per unit mass, and the cost of the unit electric field; The target scheme determination module is used to compare the comprehensive costs and determine the candidate three-dimensional electrochemical oil recovery scheme corresponding to the lowest comprehensive cost as the target three-dimensional electrochemical oil recovery scheme.

9. An electronic device, characterized in that: The device comprises: at least one processor; and a memory communicatively connected to the at least one processor; wherein, The memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor so that the at least one processor can perform the evaluation method for a three-dimensional electrochemical oil recovery scheme according to any one of claims 1-7.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a processor to implement the evaluation method of the three-dimensional electrochemical oil recovery scheme according to any one of claims 1 to 7 when executed.

Images