Indoor experiment method and device for electric field, liquid phase discharge and ultrasonic coupling oil displacement

Abstract

The invention discloses an electric field, liquid phase discharge and ultrasonic coupling oil displacement indoor experiment method and device. The method comprises the following steps: constructing an indoor simulation experiment model corresponding to a target oil reservoir according to a core, formation water and crude oil of the target oil reservoir; injecting formation water into the indoor simulation experiment model; and applying at least two types of physical fields of an electric field, liquid phase discharge and ultrasonic waves to the indoor simulation experiment model, performing oil displacement on the indoor simulation experiment model based on the at least two types of physical fields, and recording action parameters and oil displacement yield of the at least two types of physical fields in the oil displacement process. By the adoption of the technical scheme, the experimental data are determined through the coupling oil displacement experiment of the electric field, the liquid phase discharge and the ultrasonic waves, then the action parameters of the at least two types of physical fields capable of improving the oil displacement recovery efficiency are determined, and the recovery efficiency during actual oil displacement is improved.

Description

Technical Field

[0001] The invention relates to the technical field of oilfield development, in particular to an indoor experimental method and device for oil displacement by electric field, liquid phase discharge and ultrasonic coupling. Background Art

[0002] Nowadays, improving oil field recovery rate by realizing physical fields in oil fields has become a research hotspot in the field of oil and gas blockage relief and production increase. Although DC electric field, ultrasonic wave and pulsed liquid discharge can improve the recovery rate respectively, there is still no oil displacement technology that can simultaneously apply two or three of the above physical fields. Summary of the Invention

[0003] The present invention provides an indoor experimental method and device for oil displacement by electric field, liquid phase discharge and ultrasonic coupling, so as to solve the problem of low recovery rate during oil displacement experiment.

[0004] According to one aspect of the present invention, an indoor experimental method for oil recovery by coupling electric field, liquid phase discharge and ultrasonic wave is provided, the method comprising:

[0005] Based on the core, formation water and crude oil of the target reservoir, an indoor simulation experimental model corresponding to the target reservoir is constructed;

[0006] Injecting formation water into an indoor simulation experimental model;

[0007] At least two types of physical fields, including electric field, liquid phase discharge and ultrasonic wave, are applied to the indoor simulation experimental model, and oil is displaced from the indoor simulation experimental model based on at least two types of physical fields, and the action parameters of at least two types of physical fields and the oil displacement production during the oil displacement process are recorded.

[0008] According to another aspect of the present invention, an indoor experimental device for oil displacement by electric field, liquid phase discharge and ultrasonic coupling is provided, the device comprising:

[0009] The experimental model construction module is used to construct an indoor simulation experimental model corresponding to the target reservoir based on the core, formation water and crude oil of the target reservoir;

[0010] A formation water injection module is used to inject formation water into the indoor simulation experimental model;

[0011] The oil recovery data acquisition module is used to apply at least two types of physical fields, including electric field, liquid phase discharge and ultrasonic wave, to the indoor simulation experimental model, and to perform oil recovery on the indoor simulation experimental model based on at least two types of physical fields, and to record the action parameters of at least two types of physical fields and the oil recovery output during the oil recovery process.

[0012] According to another aspect of the present invention, an electronic device is provided, the electronic device comprising:

[0013] at least one processor; and

[0014] a memory communicatively connected to at least one processor; wherein,

[0015] The memory stores a computer program that can be executed by at least one processor. The computer program is executed by at least one processor so that the at least one processor can perform the indoor experimental method of electric field, liquid phase discharge and ultrasonic coupling oil recovery according to any embodiment of the present invention.

[0016] According to another aspect of the present invention, a computer-readable storage medium is provided, which stores computer instructions. The computer instructions are used to enable a processor to implement the indoor experimental method of electric field, liquid phase discharge and ultrasonic coupling oil recovery according to any embodiment of the present invention when executed.

[0017] The technical solution of the embodiment of the present invention is to construct an indoor simulation experimental model corresponding to the target oil reservoir based on the core, formation water and crude oil of the target oil reservoir; inject formation water into the indoor simulation experimental model; apply at least two types of physical fields including electric field, liquid phase discharge and ultrasonic wave to the indoor simulation experimental model, and perform oil recovery on the indoor simulation experimental model based on at least two types of physical fields, and record the action parameters of at least two types of physical fields and the oil recovery production during the oil recovery process, so that through the oil recovery experiment of multiple physical fields, the experimental data can be determined, and then the action parameters of at least two types of physical fields that can improve the oil recovery rate can be determined, thereby improving the recovery rate during actual oil recovery.

[0018] 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 invention, nor is it intended to limit the scope of the present invention. Other features of the present invention will become readily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is a flow chart of an indoor experimental method for oil recovery by electric field, liquid phase discharge and ultrasonic coupling provided in accordance with the first embodiment of the present invention;

[0021] Figure 2 2 is a schematic structural diagram of an indoor experimental device for oil displacement using electric field, liquid phase discharge, and ultrasonic coupling, provided according to a second embodiment of the present invention;

[0022] Figure 3 It is a structural schematic diagram of electronic equipment for realizing the indoor experimental method of electric field, liquid phase discharge and ultrasonic coupling oil displacement according to an embodiment of the present invention. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0024] It should be noted that the terms "first", "second", etc. in the description and claims of the present invention 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 numbers used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof 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 clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0025] Example 1

[0026] Figure 1 A flow chart of an indoor experimental method for oil recovery by coupling electric field, liquid phase discharge and ultrasonic wave is provided for the first embodiment of the present invention. This embodiment is applicable to the case where the recovery rate is low during the oil recovery experiment. The method can be performed by an indoor experimental device for oil recovery by coupling electric field, liquid phase discharge and ultrasonic wave. The indoor experimental device for oil recovery by coupling electric field, liquid phase discharge and ultrasonic wave can be implemented in the form of hardware and / or software. The indoor experimental device for oil recovery by coupling electric field, liquid phase discharge and ultrasonic wave can be configured in an electronic device with data processing capabilities. Figure 1 As shown, the method includes:

[0027] S110: Construct an indoor simulation experiment model corresponding to the target oil reservoir based on the core, formation water, and crude oil of the target oil reservoir.

[0028] The target reservoir may be an actual reservoir in a model in which an oil displacement experiment is to be conducted. The crude oil may be the properties of the crude oil in the target reservoir, including but not limited to color, density, viscosity, chemical composition, and impurity content.

[0029] By performing vacuum pumping and other operations on the core of the target oil reservoir, the pores in the core are ensured to be saturated with formation water, and the effective pore volume and core porosity of the core are calculated.

[0030] The saturated core is subjected to oil saturation operation, the oil saturation is calculated, and the core is kept at a constant temperature to age the crude oil in the core, thereby obtaining an indoor simulation experimental model.

[0031] S120. Injecting formation water into the indoor simulation experimental model.

[0032] The formation water is injected into the core of the indoor simulation experimental model through high-pressure pumps and other equipment to drive oil from the core.

[0033] S130. Apply at least two types of physical fields, including electric field, liquid phase discharge, and ultrasonic wave, to the indoor simulation experimental model, and perform oil displacement on the indoor simulation experimental model based on the at least two types of physical fields, and record the action parameters of the at least two types of physical fields and the oil displacement production during the oil displacement process.

[0034] Before the indoor simulation experimental model is subjected to oil displacement, at least two types of physical fields, namely electric field, liquid phase discharge and ultrasonic wave, are applied to the indoor simulation experimental model. Thus, when the indoor simulation experimental model is subjected to oil displacement, the characteristics of multi-physical fields that can improve the recovery rate are utilized to achieve the effect of improving the recovery rate, and the action parameters of at least two types of physical fields and the oil displacement output during the oil displacement process are recorded.

[0035] In an optional solution, performing oil displacement on an indoor simulation experimental model based on at least two types of physical fields may include steps A1-A2:

[0036] Step A1: Determine the recovery factor of the indoor simulation experiment model based on the oil displacement products obtained by oil displacement.

[0037] Step A2: If the increase in the recovery factor within the preset time is less than the preset increment, adjusting the action parameters of at least two types of physical fields until the increase is greater than or equal to the preset increment.

[0038] During the flooding process, the recovery factor of the indoor simulation model is calculated based on the displacement products obtained during the flooding process. If the increase in the recovery factor within a preset time period is less than a preset increment, it indicates that the parameters of at least two types of physical fields are insufficient to further improve the recovery factor. In this case, the parameters of at least two types of physical fields are adjusted until the increase is greater than or equal to the preset increment, thereby ensuring an increase in the recovery factor.

[0039] Optionally, after adjusting the action parameters of at least two types of physical fields, the method further includes:

[0040] If the increase in recovery rate within the preset time is less than the preset increment and the number of adjustments of the action parameter reaches the preset adjustment condition, the adjustment of the action parameter is stopped; wherein the preset adjustment condition is determined according to the preset range of the action parameter.

[0041] The preset adjustment condition may be a maximum number of times the action parameter is adjusted, determined according to a preset range of the action parameter.

[0042] If the increase in the recovery factor within the preset time is less than the preset increment, and the number of adjustments to the action parameters reaches the preset adjustment conditions, it indicates that it is difficult to find specific action parameters within the preset range that can improve the recovery factor. At this time, in order to avoid wasting resources, the action parameters will no longer be adjusted.

[0043] Optionally, the at least two types of physical fields include at least a DC electric field;

[0044] Accordingly, at least two types of physical fields are applied to the indoor simulation experimental model, including:

[0045] At least a direct current electric field having a potential gradient within a first preset range is applied to the indoor simulation experiment model.

[0046] A DC electric field with a potential gradient within a first preset range is applied between the water injection well and the production well by means of a DC power supply and other equipment.

[0047] The first preset range may be a range predetermined according to the experience of mining personnel.

[0048] Optionally, the at least two types of physical fields include at least an ultrasonic field;

[0049] Accordingly, at least two types of physical fields are applied to the indoor simulation experimental model, including:

[0050] An ultrasonic field having an ultrasonic frequency within a second preset range is at least applied to the indoor simulation experimental model.

[0051] An ultrasonic field having an ultrasonic frequency within a second preset range is applied to the indoor simulation experimental model by applying an ultrasonic wave of a certain frequency to the indoor simulation experimental model through equipment such as an AC power supply, an ultrasonic generator, a transmission cable and an electroacoustic transducer.

[0052] The second preset range may be a range predetermined based on the experience of mining personnel.

[0053] Optionally, the at least two types of physical fields include at least a high-voltage pulsed liquid discharge field;

[0054] Accordingly, at least two types of physical fields are applied to the indoor simulation experimental model, including:

[0055] A high-voltage pulse liquid phase discharge field having a voltage intensity within a third preset range, a frequency within a fourth preset range, and a pulse width within a fifth preset range is applied to the indoor simulation experimental model.

[0056] Turn on the high-voltage pulse power supply and other equipment to apply a high-voltage pulse liquid phase discharge field to the indoor simulation experimental model with at least a voltage intensity within the third preset range, a frequency within the fourth preset range, and a pulse width within the fifth preset range.

[0057] The third preset range may be a range predetermined based on the experience of the mining personnel. The fourth preset range may be a range predetermined based on the experience of the mining personnel. The fifth preset range may be a range predetermined based on the experience of the mining personnel.

[0058] Optionally, the starting time of application and / or the length of application time of at least two types of physical fields are the same and / or different.

[0059] According to the oil recovery process, the first preset range, the second preset range, the third preset range, the fourth preset range, and the fifth preset range can be adjusted according to the recovery rate to obtain a range that can improve the recovery rate in the actual oil recovery process.

[0060] According to the technical solution of an embodiment of the present invention, an indoor simulation experimental model corresponding to the target oil reservoir is constructed based on the core, formation water and crude oil of the target oil reservoir; the formation water is injected into the indoor simulation experimental model; at least two types of physical fields, namely electric field, liquid phase discharge and ultrasonic wave, are applied to the indoor simulation experimental model, and oil is driven from the indoor simulation experimental model based on at least two types of physical fields, and the action parameters of at least two types of physical fields and the oil recovery rate during the oil recovery process are recorded, so that the experimental data can be determined through the oil recovery experiment of multiple physical fields, and then the action parameters of at least two types of physical fields that can improve the oil recovery rate can be determined, thereby improving the recovery rate during actual oil recovery.

[0061] Example 2

[0062] Figure 2 The present invention provides a structural block diagram of an indoor experimental device for oil recovery by electric field, liquid phase discharge and ultrasonic coupling. This embodiment is applicable to situations where the recovery rate is low during oil recovery experiments. The indoor experimental device for oil recovery by electric field, liquid phase discharge and ultrasonic coupling can be implemented in the form of hardware and / or software. The indoor experimental device for oil recovery by electric field, liquid phase discharge and ultrasonic coupling can be configured in an electronic device with data processing capabilities. Figure 2As shown, the indoor experimental device for electric field, liquid phase discharge and ultrasonic coupling oil recovery in this embodiment may include: an experimental model construction module 210, a formation water injection module 220 and an oil recovery data acquisition module 230. Among them:

[0063] The experimental model construction module 210 is used to construct an indoor simulation experimental model corresponding to the target oil reservoir based on the core, formation water and crude oil of the target oil reservoir;

[0064] The formation water injection module 220 is used to inject formation water into the indoor simulation experiment model;

[0065] The oil displacement data acquisition module 230 is configured to apply at least two types of physical fields, including electric field, liquid phase discharge, and ultrasonic waves, to the indoor simulation experimental model, perform oil displacement on the indoor simulation experimental model based on the at least two types of physical fields, and record the effect parameters of the at least two types of physical fields and the oil displacement yield during the oil displacement process. Based on the above embodiment, the oil displacement data acquisition module 230 may optionally include:

[0066] The recovery factor calculation unit is used to determine the recovery factor of the indoor simulation experiment model based on the oil displacement products obtained by oil displacement;

[0067] The action parameter adjustment unit is used to adjust the action parameters of at least two types of physical fields until the increase in recovery rate within a preset time is greater than or equal to the preset increment if the increase in recovery rate within a preset time is less than the preset increment.

[0068] Based on the above embodiment, optionally, after the action parameter adjustment unit, the device further includes:

[0069] The parameter stop adjustment unit is used to stop adjusting the action parameter if the increase in the recovery rate within the preset time is less than the preset increment and the number of adjustments to the action parameter reaches the preset adjustment condition; wherein the preset adjustment condition is determined according to the preset range of the action parameter.

[0070] Based on the above embodiment, optionally, the at least two types of physical fields include at least a direct current electric field;

[0071] Accordingly, the oil displacement data acquisition module 230 includes:

[0072] The DC electric field applying unit is used to apply a DC electric field having a potential gradient within a first preset range to the indoor simulation experimental model.

[0073] Based on the above embodiment, optionally, the at least two types of physical fields include at least an ultrasonic field;

[0074] Accordingly, the oil displacement data acquisition module 230 includes:

[0075] The ultrasonic field applying unit is used to apply an ultrasonic field having an ultrasonic frequency within a second preset range to the indoor simulation experimental model.

[0076] Based on the above embodiment, optionally, the at least two types of physical fields include at least a high-voltage pulsed liquid phase discharge field;

[0077] Accordingly, the oil displacement data acquisition module 230 includes:

[0078] The high-voltage pulse liquid phase discharge field applying unit is used to apply a high-voltage pulse liquid phase discharge field with a voltage intensity within a third preset range, a frequency within a fourth preset range, and a pulse width within a fifth preset range to the indoor simulation experimental model.

[0079] Based on the above embodiment, optionally, the starting time of application and / or the length of application time of at least two types of physical fields are the same and / or different.

[0080] The indoor experimental device for electric field, liquid phase discharge and ultrasonic coupling oil recovery provided in an embodiment of the present invention can execute the indoor experimental method for electric field, liquid phase discharge and ultrasonic coupling oil recovery provided in any embodiment of the present invention, and has the corresponding functional modules and beneficial effects of the execution method.

[0081] Example 3

[0082] Figure 3 A schematic diagram of the structure of an electronic device 10 that can be used to implement an embodiment of the present invention is shown. The electronic device is intended to represent various forms of digital computers, such as laptop computers, desktop computers, workstations, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. The electronic 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 invention described and / or claimed herein.

[0083] like Figure 3As shown, the electronic device 10 includes at least one processor 11 and a memory, such as a read-only memory (ROM) 12, a random access memory (RAM) 13, etc., which is communicatively connected to the at least one processor 11. The memory stores a computer program that can be executed by the at least one processor. 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 into the random access memory (RAM) 13. Various programs and data required for the operation of the electronic device 10 can also be stored in the RAM 13. The processor 11, ROM 12, and RAM 13 are connected to each other via a bus 14. An input / output (I / O) interface 15 is also connected to the bus 14.

[0084] Multiple components in the electronic 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 magnetic 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 electronic device 10 to exchange information / data with other devices via a computer network such as the Internet and / or various telecommunication networks.

[0085] The processor 11 can be any general-purpose and / or specialized processing component 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 specialized artificial intelligence (AI) computing chips, various processors running machine learning model algorithms, a digital signal processor (DSP), and any suitable processor, controller, microcontroller, etc. The processor 11 executes the various methods and processes described above, such as the indoor experimental methods of electric field, liquid phase discharge, and ultrasonic coupling flooding.

[0086] In some embodiments, the indoor experimental method of electric field, liquid phase discharge and ultrasonic coupling oil recovery 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 electronic 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 indoor experimental method of electric field, liquid phase discharge and ultrasonic coupling oil recovery described above can be performed. Alternatively, in other embodiments, the processor 11 can be configured to perform the indoor experimental method of electric field, liquid phase discharge and ultrasonic coupling oil recovery by any other appropriate means (for example, by means of firmware).

[0087] Various embodiments of the systems and techniques described 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), system-on-chip systems (SOCs), programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various embodiments can include being implemented in one or more computer programs that are executable and / or interpreted on a programmable system that includes 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.

[0088] Computer programs for implementing the methods of the present invention 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, such that when the computer program is executed by the processor, the functions / operations specified in the flowcharts and / or block diagrams are implemented. The computer program may be executed entirely on the machine, partially on the machine, as a stand-alone software package, partially on the machine and partially on a remote machine, or entirely on a remote machine or server.

[0089] In the context of the present invention, computer-readable storage media can be tangible media that can contain or store a computer program for use with an instruction execution system, device or equipment or used in combination with an instruction execution system, device or equipment. Computer-readable storage media can include but are not limited to electronic, magnetic, optical, electromagnetic, infrared or semiconductor systems, devices or equipment, or any suitable combination of the foregoing. Alternatively, computer-readable storage media can be machine-readable signal media. More specific examples of machine-readable storage media can include electrical connections based on one or more lines, portable computer disks, hard disks, random access memories (RAM), read-only memories (ROM), erasable programmable read-only memories (EPROM or flash memory), optical fibers, portable compact disk read-only memories (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination of the foregoing.

[0090] To provide interaction with a user, the systems and techniques described herein can be implemented on an electronic 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 pointing device (e.g., a mouse or trackball) through which the user can provide input to the electronic 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).

[0091] The systems and techniques described herein can be implemented in a computing system that includes back-end 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 front-end components (e.g., a user computer with a graphical user interface or 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 back-end components, middleware components, or front-end components. The components of the system can 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.

[0092] A computing system may include clients and servers. The clients and servers are typically remote from each other and typically interact via a communication network. This client-server relationship arises through computer programs running on the respective computers, creating a client-server relationship. The server may be a cloud server, also known as a cloud computing server or cloud host. This server is a hosting product within the cloud computing service ecosystem that addresses the management difficulties and limited scalability of traditional physical hosting and VPS services.

[0093] It should be understood that the various forms of the processes shown above can be used to reorder, add, or delete steps. For example, the steps described in the present invention can be performed in parallel, sequentially, or in a different order, as long as the desired results of the technical solution of the present invention can be achieved. This is not limited herein.

[0094] The above specific embodiments do not limit the scope of protection of the present invention. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions may be made based on design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention are intended to be included within the scope of protection of the present invention.

Claims

1. An indoor experimental method for oil recovery by electric field, liquid phase discharge and ultrasonic coupling, characterized in that: include: Constructing an indoor simulation experiment model corresponding to the target oil reservoir based on the core, formation water and crude oil of the target oil reservoir; injecting the formation water into the indoor simulation experimental model; At least two types of physical fields, including electric field, liquid phase discharge and ultrasonic wave, are applied to the indoor simulation experimental model, and oil is displaced from the indoor simulation experimental model based on the at least two types of physical fields, and the action parameters of the at least two types of physical fields and the oil displacement yield during the oil displacement process are recorded.

2. The method according to claim 1, characterized in that Performing oil displacement on the indoor simulation experimental model based on the at least two types of physical fields includes: Determining the recovery factor of the indoor simulation experiment model based on the oil displacement products obtained by oil displacement; If the increase in the recovery rate within the preset time is less than a preset increment, the action parameters of the at least two types of physical fields are adjusted until the increase is greater than or equal to the preset increment.

3. The method according to claim 2, characterized in that After adjusting the action parameters of the at least two types of physical fields, the method further includes: If the increase in the recovery rate within the preset time is less than the preset increment, and the number of adjustments of the action parameter reaches the preset adjustment condition, the adjustment of the action parameter is stopped; wherein the preset adjustment condition is determined according to the preset range of the action parameter.

4. The method according to claim 1, wherein The at least two types of physical fields include at least a direct current electric field; Accordingly, at least two types of physical fields are applied to the indoor simulation experimental model, including: At least the direct current electric field having a potential gradient within a first preset range is applied to the indoor simulation experiment model.

5. The method according to claim 1, wherein The at least two types of physical fields include at least an ultrasonic field; Accordingly, at least two types of physical fields are applied to the indoor simulation experimental model, including: At least the ultrasonic field having an ultrasonic frequency within a second preset range is applied to the indoor simulation experimental model.

6. The method according to claim 1, characterized in that The at least two types of physical fields include at least a high-voltage pulsed liquid phase discharge field; Accordingly, at least two types of physical fields are applied to the indoor simulation experimental model, including: The high-voltage pulse liquid-phase discharge field having a voltage intensity within a third preset range, a frequency within a fourth preset range, and a pulse width within a fifth preset range is applied to the indoor simulation experimental model.

7. The method according to claim 1, characterized in that The starting time points and / or application time lengths of the at least two types of physical fields are the same and / or different.

8. An indoor experimental device for oil recovery by electric field, liquid phase discharge and ultrasonic coupling, characterized in that: include: An experimental model construction module is used to construct an indoor simulation experimental model corresponding to the target oil reservoir based on the core, formation water and crude oil of the target oil reservoir; A formation water injection module, used for injecting the formation water into the indoor simulation experiment model; The oil recovery data acquisition module is used to apply at least two types of physical fields, including electric field, liquid phase discharge and ultrasonic wave, to the indoor simulation experimental model, and to perform oil recovery on the indoor simulation experimental model based on the at least two types of physical fields, and to record the action parameters of the at least two types of physical fields and the oil recovery output during the oil recovery process.

9. An electronic device, characterized in that: The electronic device comprises: at least one processor; and a memory communicatively connected to the at least one processor; wherein, 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 perform the indoor experimental method of electric field, liquid phase discharge and ultrasonic coupling oil recovery as described in 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 indoor experimental method of electric field, liquid phase discharge and ultrasonic coupling oil recovery according to any one of claims 1 to 7 when executed.

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