Maritime remote communication and self-inspection self-control intelligent injection and production system

Abstract

The invention provides an offshore remote communication and self-inspection self-control intelligent injection and production system, which relates to the technical field of offshore oilfield injection and production, and comprises a data remote transmission edge all-in-one machine, a one-way gatekeeper, a ground controller, a self-inspection self-control instrument, an electric control regulating valve and a cable intelligent injection and production working barrel, the data remote transmission edge all-in-one machine is connected with the one-way gatekeeper through a cable, and is internally provided with a remote transmission communication assembly; the ground controller is connected with the self-checking and self-controlling instrument, the one-way gatekeeper and the cable intelligent injection and production working barrel in the injection and production well through cables; and the self-checking and self-controlling instrument is connected with the electric control regulating valve and the ground controller through cables and is used for realizing data communication and control among the valves. According to the invention, the cable intelligent injection-production working barrel of the offshore platform can be controlled through remote communication in a land office, and the management convenience of an oil reservoir engineer on an injection-production well of the offshore platform is improved.

Description

Technical Field

[0001] The invention relates to the technical field of offshore oilfield injection and production, and in particular to an offshore oilfield remote communication and self-checking and self-control intelligent injection and production system. Background Art

[0002] Offshore oil fields have severe interlayer heterogeneity and large injection pressure differences between layers. It is necessary to adopt a multi-segment fine injection and production process to accurately control the injection and production volume of each layer in order to achieve the most efficient water control and oil stabilization effect.

[0003] The existing offshore oilfield injection and production technology is mainly based on cable-controlled intelligent injection and production, which can realize real-time monitoring of downhole parameters of injection and production wells and online adjustment of stratified injection and production volumes. It does not occupy the operation window and is not restricted by well inclination, thus meeting the multi-layer stratified injection and production needs of offshore oil fields.

[0004] However, at present, this technology can only realize real-time data communication and control from the underground to the wellhead, and cannot realize land remote communication to control the cabled intelligent injection and production working cylinder of the offshore platform.

[0005] Therefore, an offshore oilfield remote communication and self-checking and self-control intelligent injection and production system is urgently needed to solve the above technical problems. Summary of the invention

[0006] The purpose of the present invention is to provide an offshore oilfield remote communication and self-checking and self-control intelligent injection and production system to achieve coordinated control of large-scale injection and production wells on offshore platforms and remote communication control of downhole intelligent injection and production mandrels with cables on land, so that land reservoir engineers can quickly grasp the real-time parameters of the well and carry out downhole flow field control. The preferred technical solutions among the many technical solutions provided by the present invention can produce many technical effects as described below.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] The present invention provides an offshore remote communication and self-checking and self-controlling intelligent injection and production system, comprising: a data remote transmission edge integrated machine, a one-way network switch, a ground controller, a self-checking and self-control instrument, an electric control regulating valve, and a cabled intelligent injection and production working cylinder, wherein:

[0009] The data remote transmission edge integrated machine is connected to the one-way network switch via a cable, and a remote transmission communication component is installed inside the machine to realize remote communication control between the offshore platform and the land office;

[0010] The ground controller is connected to the self-checking and self-control instrument, the one-way network switch, and the cabled intelligent injection and production working cylinder in the injection and production well through cables to realize data communication and power supply between various tools;

[0011] The self-checking and self-controlling instrument is connected to the electronically controlled regulating valve and the ground controller through cables. It is used to realize data communication and control between various valves, and can control the switch and opening size of each valve according to the instructions of the ground controller.

[0012] Preferably, a network security protection component is installed inside the one-way network switch to achieve network security protection for offshore oilfield remote communication and self-checking and self-control intelligent injection and production systems.

[0013] Preferably, it also includes a cable packer, wherein:

[0014] The cable packer is arranged inside the cable intelligent injection and production working cylinder, and is used to separate different layers of the injection and production well;

[0015] A cable passing passage is arranged inside the cable packer.

[0016] Preferably, the cable-based intelligent injection and production working cylinder is installed in an eccentric channel of the working cylinder body, and the cable-based intelligent injection and production working cylinder comprises:

[0017] The cable body comprises a cable steel skin and a cable copper core arranged inside the cable steel skin;

[0018] Cable connector assembly, used for connecting cables;

[0019] A circuit board protection tube assembly, in which a circuit board can be installed;

[0020] A motor component protection tube assembly, in which the motor component can be installed;

[0021] A sensor protection tube assembly, in which a sensor can be installed;

[0022] Sealing rubber is arranged between the cable connector assembly, the circuit board protection tube assembly, the motor component protection tube assembly and the sensor protection tube assembly and the eccentric channel.

[0023] Preferably, the cable connector assembly comprises an upper button, a metal sealing button, a middle button, a drawstring, an upper connector, an insulating sealing layer and a cable connector, wherein:

[0024] The upper button is connected to the middle button by a thread, and the lower end surface is in contact with the metal sealing buckle. When the upper button thread is rotated, the metal sealing buckle can be pushed to deform for metal sealing;

[0025] O-rings are provided between the middle button, the cable steel skin and the upper joint;

[0026] The buckle is connected to the middle button by threads, and the undercut at the lower end is connected to the undercut at the upper end of the upper joint;

[0027] The insulating sealing layer is arranged between the upper joint and the cable joint; the cable joint is in contact with the cable copper core.

[0028] Preferably, the circuit board protection cylinder assembly comprises a middle connector, a pin block, a lead, a circuit board, a fixing rubber and a lead pin, wherein:

[0029] The middle joint and the upper joint are connected by threads;

[0030] The middle part of the pin block is provided with a conical opening, which is connected with the pin at the lower part of the cable connector;

[0031] The circuit board is connected to the pin block through leads, and a plurality of fixing rubbers are arranged on both sides of the circuit board for fixing and protecting the circuit board;

[0032] A lead channel is provided on the side of the middle joint for the data lead probe to pass through, so as to realize data communication and power supply between the sensor protection tube assembly and the circuit board protection tube assembly of the cabled intelligent injection and production working tube;

[0033] The circuit board and the lead pins are connected via the lead wires.

[0034] Preferably, the motor component protection tube assembly comprises: a lower joint, a motor, a lead screw module and a faucet block, wherein:

[0035] The lower joint is connected to the middle joint via threads;

[0036] The upper side of the motor is connected to the lead pins through the lead wire and the pin block;

[0037] The screw module can convert the rotational motion of the motor into the linear motion of the faucet block;

[0038] The water nozzle block is used to cooperate with the water nozzle to achieve single-layer injection and production liquid volume adjustment.

[0039] Preferably, the sensor protection tube assembly comprises: a sensor device tube and a sensor circuit board, wherein:

[0040] A liquid inlet for cooperating with a liquid outlet on the working cylinder body is formed on one side of the sensor device tube, and the liquid inlet is used to connect the central channel of the sensor device tube with the central channel of the working cylinder body.

[0041] Preferably, a pressure sensor and a temperature sensor are embedded inside the sensor device tube.

[0042] Preferably, the electrically-controlled regulating valve comprises a main electrically-controlled regulating valve and a branch electrically-controlled regulating valve.

[0043] The beneficial effects of the offshore oilfield remote communication and self-checking and self-control intelligent injection and production system provided by the present invention include:

[0044] 1. It enables reservoir engineers to remotely control the cabled intelligent injection and production working cylinder of the offshore platform in the land office, effectively improving the intelligence and management convenience of the intelligent injection and production technology of the offshore platform;

[0045] 2. An innovative cable-based intelligent injection and production working barrel structure is proposed. All parts are loaded in sequence into the eccentric channel of the working barrel, which can realize the rapid installation and replacement of downhole tools and improve the efficiency of replacing cable-based intelligent injection and production strings in offshore oil fields. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. 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 paying creative work.

[0047] Figure 1 It is a structural schematic diagram of an embodiment of an offshore oilfield remote communication and self-checking and self-control intelligent injection and production system of the present invention;

[0048] Figure 2 It is a structural schematic diagram of a cabled intelligent injection and production mandrel in the offshore oilfield remote communication and self-checking and self-control intelligent injection and production system of the present invention;

[0049] Figure 3 yes Figure 2 Middle AA section;

[0050] Figure 4 It is a structural schematic diagram of a cable connector assembly in the offshore oilfield remote communication and self-checking and self-control intelligent injection and production system of the present invention;

[0051] Figure 5 It is a structural schematic diagram of a circuit board protection tube assembly in the offshore oil field remote communication and self-checking and self-control intelligent injection and production system of the present invention;

[0052] Figure 6 It is a structural schematic diagram of the motor component protection cylinder assembly in the offshore oil field remote communication and self-checking and self-control intelligent injection and production system of the present invention;

[0053] Figure 7 It is a structural schematic diagram of a sensor protection tube assembly in the offshore oil field remote communication and self-checking and self-control intelligent injection and production system of the present invention.

[0054] In the figure: 1. Data remote transmission edge integrated machine; 2. One-way network switch; 3. Ground controller; 4. Self-test and self-control instrument; 5. Electric control valve; 6. Cable packer; 7. Cable intelligent injection and production working cylinder; 8. Working cylinder body; 9. Upper button; 10. Metal sealing buckle; 11. Middle button; 12. Draw buckle; 13. Upper joint; 14. Insulation sealing layer; 15. Cable joint; 16. Middle joint; 17. Pin block; 18. Lead wire; 19. Circuit board; 20. Fixing rubber; 21. Lead wire Wire pin; 22, lower connector; 23, motor; 24, lead screw module; 25, faucet block; 26, sensor device tube; 27, liquid inlet; 28, sensor circuit board; 7-1, cable steel skin; 7-2, cable copper core; 7-3, cable connector assembly; 7-4, sealing rubber; 7-5, circuit board protection tube assembly; 7-6, motor component protection tube assembly; 7-7, faucet; 7-8, sensor protection tube assembly; 7-9, data lead probe; 7-10, lead channel. DETAILED DESCRIPTION

[0055] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0056] In the description of the present invention, it is to be understood that the terms “center”, “lateral”, “length”, “width”, “height”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “side”, etc., indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0057] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0058] Figure 1 It is a schematic diagram of the structure of the present invention, such as Figure 1As shown, the present invention provides an offshore remote communication and self-checking and self-controlling intelligent injection and production system, including a data remote transmission edge integrated machine 1, a one-way network switch 2, a ground controller 3, a self-checking and self-control instrument 4, an electric control regulating valve 5, and a cabled intelligent injection and production working cylinder 7.

[0059] The data remote transmission edge integrated machine 1 is connected to the one-way network switch 2 through a cable, and a remote transmission communication component is installed inside the machine to realize remote communication control between the offshore platform and the land office;

[0060] The ground controller 3 is connected to the self-checking and self-control instrument 4, the one-way network switch 2, and the cabled intelligent injection and production working cylinder 7 in the injection and production well through cables to realize data communication and power supply between various tools;

[0061] The self-checking and self-controlling instrument 4 is connected to the electronically controlled regulating valve 5 and the ground controller 3 through cables, and is used to realize data communication and control between various valves, and can control the switch and opening size of each valve according to the instructions of the ground controller 3.

[0062] The electronically controlled regulating valve 5 in this embodiment includes a main electronically controlled regulating valve and a branch electronically controlled regulating valve. A network security protection component is installed inside the one-way network switch 2 to realize network security protection of offshore oilfield remote communication and self-checking and self-control intelligent injection and production system.

[0063] As an optional implementation, the offshore remote communication and self-checking and self-control intelligent injection and production system further includes a cable packer 6. The cable packer 6 is arranged inside the cable intelligent injection and production working cylinder 7 to separate different layers of the injection and production well; a cable passing channel is arranged inside the cable packer 6.

[0064] By setting up a cable packer 6, and providing a cable passing channel inside the cable packer 6, it can be ensured that the cable can pass normally while also ensuring that the packer can effectively separate different layers of the injection and production wells.

[0065] As an optional implementation, Figure 2 Schematic diagram of the structure of the intelligent injection and production working cylinder with cable in this embodiment. Figure 2 As shown, the cable intelligent injection and production working tube 7 includes a cable body, a cable connector assembly 7-3, a sealing rubber 7-4, a circuit board protection tube assembly 7-5, a motor component protection tube assembly 7-6, a water nozzle 7-7, a sensor protection tube assembly 7-8, and a data lead probe 7-9.

[0066] Figure 3 yes Figure 2 The AA cross-section diagram is as follows: Figure 3As shown, in this embodiment, all components of the cable-based intelligent injection and production working barrel 7 are installed in the eccentric channel of the working barrel body 8. By carrying out disassembly operations on the upper and lower parts of the working barrel, the internal components of the working barrel can be easily installed and replaced, and the parts of the cable-based intelligent injection and production pipe can be quickly replaced.

[0067] Among them, the cable body includes a cable steel skin 7-1 and a cable copper core 7-2 arranged inside the cable steel skin 7-1. The cable steel skin 7-1 and the cable copper core 7-2 are used together. The cable steel skin 7-1 plays a role in bearing the load and protecting the cable copper core 7-2, and the cable copper core 7-2 plays a role in transmitting signals and power supply.

[0068] The cable connector assembly 7-3 is used to connect cables; the circuit board protection tube assembly 7-5 can install the circuit board 19 inside and protect the circuit board 19; the motor component protection tube assembly 7-6 can install the motor component inside and protect the motor component; the sensor protection tube assembly 7-8 can install the sensor inside and protect the sensor.

[0069] Sealing rubber 7-4 is arranged between the cable connector assembly 7-3, the circuit board protection tube assembly 7-5, the motor component protection tube assembly 7-6 and the sensor protection tube assembly 7-8 and the eccentric channel. The sealing rubber 7-4 is placed in the annular cavity of the working tube body 8 to seal and fix the components in the annular cavity of the working tube body 8.

[0070] Specifically, Figure 4 Schematic diagram of the structure of the cable connector assembly in this embodiment. Figure 4 As shown, the cable connector assembly 7 - 3 in this embodiment includes an upper button 9 , a metal sealing button 10 , a middle button 11 , a pull button 12 , an upper connector 13 , an insulating sealing layer 14 and a cable connector 15 .

[0071] Among them, the upper button 9 is connected to the middle button 11 by a thread, and the lower end face is in contact with the metal sealing buckle 10. When the upper button 9 thread is rotated, the metal sealing buckle 10 can be pushed to deform, which is used for metal sealing. O-rings are arranged between the middle button 11 and the cable steel skin 7-1 and the upper joint 13, which can realize secondary sealing protection of the cable intelligent injection and production working cylinder. The pull buckle 12 is connected to the middle button 11 by a thread, and the inverted buckle at its lower end is connected to the inverted buckle at the upper end of the upper joint 13, which is used to realize that when the middle button and the upper joint are connected and fixed, there is no relative rotation. The insulating sealing layer 14 is arranged between the upper joint 13 and the cable joint 15, which is used to realize the electrical insulation of the cable joint; the cable joint 15 is in contact with the cable copper core 7-2, which is used to realize data communication and power supply of the cable intelligent injection and production working cylinder 7.

[0072] Figure 5 FIG. 1 is a schematic diagram of the structure of the circuit board protection tube assembly in this embodiment. Figure 5 As shown, the circuit board protection tube assembly 7 - 5 includes a center connector 16 , a pin block 17 , a lead 18 , a circuit board 19 , a fixing rubber 20 and a lead pin 21 .

[0073] Among them, the middle joint 16 is connected to the upper joint 13 by a thread. In this embodiment, an O-ring is arranged at the lower part of the thread for sealing protection; a conical mouth is arranged in the middle of the pin block 17, which is connected with the lower pin of the cable connector 15 to realize data communication and power supply; the circuit board 19 is connected to the pin block 17 through the lead 18, and a plurality of fixing rubbers 20 are arranged on both sides of the circuit board 19 for fixing and protecting the circuit board 19; a lead channel 7-10 is arranged on the side of the middle joint 16 for the data lead probe 7-9 to pass through, and the lead channel 7-10 cooperates with the data lead probe 7-9 to realize data communication and power supply between the sensor protection tube assembly 7-8 of the cable intelligent injection and production working tube 7 and the circuit board protection tube assembly 7-5; the circuit board 19 and the lead pin 21 are connected through the lead 18 to realize data communication and power supply.

[0074] Figure 6 Schematic diagram of the structure of the motor component protection tube assembly in this embodiment. Figure 6 As shown, the motor component protection tube assembly 7-6 includes a lower joint 22, a motor 23, a screw module 24 and a faucet block 25.

[0075] Among them, the lower joint 22 is connected to the middle joint 16 through a thread, and an O-ring is provided at the lower part of the thread for sealing protection; the upper side of the motor 23 is connected to the lead pin 21 through the lead 18 and the pin block 17 to realize data communication and power supply; the screw module 24 can convert the rotational motion of the motor 23 into the linear motion of the water nozzle block 25; the water nozzle block 25 is used to cooperate with the water nozzle 7-7 to realize the single-layer injection and production liquid volume adjustment.

[0076] Figure 7 FIG. 1 is a schematic diagram of the structure of the sensor protection tube assembly in this embodiment. Figure 7 As shown, the sensor protection tube assembly 7 - 8 includes: a sensor device tube 26 and a sensor circuit board 28 .

[0077] Among them, a liquid inlet 27 is opened on one side of the sensor device tube 26 for cooperating with the liquid outlet on the working cylinder body 8. In this embodiment, the liquid inlet 27 is opened on the left side of the sensor device tube 26, and the liquid inlet 27 is used to connect the central channel of the sensor device tube 26 with the central channel of the working cylinder body 8.

[0078] In this embodiment, a pressure sensor and a temperature sensor are embedded inside the sensor device tube 26 .

[0079] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An offshore remote communication and self-checking and self-control intelligent injection and production system, characterized in that: include: Data remote transmission edge integrated machine (1), one-way network switch (2), ground controller (3), self-checking and self-control instrument (4), electric control regulating valve (5), cable intelligent injection and production working cylinder (7), wherein: The data remote transmission edge integrated machine (1) is connected to the one-way network switch (2) via a cable, and a remote transmission communication component is installed inside the machine to realize remote communication control between the offshore platform and the land office; A ground controller (3) is connected to a self-checking and self-controlling instrument (4), a one-way network switch (2), and a cabled intelligent injection and production working cylinder (7) in the injection and production well through cables, so as to realize data communication and power supply between various tools; The self-checking and self-controlling instrument (4) is connected to the electric control regulating valve (5) and the ground controller (3) through a cable, and is used to realize data communication and control between various valves, and can control the switch and opening size of each valve according to the instructions of the ground controller (3).

2. The offshore remote communication and self-checking and self-control intelligent injection and production system according to claim 1 is characterized by: The one-way network switch (2) is internally installed with a network security protection component, which is used to realize the network security protection of offshore oil field remote communication and self-checking and self-control intelligent injection and production system.

3. The offshore remote communication and self-checking and self-control intelligent injection and production system according to claim 1 is characterized by: Also included is a cable packer (6), wherein: The cable packer (6) is arranged inside the cable intelligent injection and production working cylinder (7) and is used to separate different layers of the injection and production well; A cable passing passage is provided inside the cable packer (6).

4. The offshore remote communication and self-checking and self-control intelligent injection and production system according to any one of claims 1 to 3, characterized in that: The cable-based intelligent injection and production working cylinder (7) is installed in an eccentric channel of a working cylinder body (8), and the cable-based intelligent injection and production working cylinder (7) comprises: The cable body comprises a cable steel skin (7-1) and a cable copper core (7-2) arranged inside the cable steel skin (7-1); A cable connector assembly (7-3) for connecting cables; A circuit board protection tube assembly (7-5) in which a circuit board can be installed; A motor component protection tube assembly (7-6), in which the motor component can be installed; A sensor protection tube assembly (7-8), in which a sensor can be installed; Sealing rubber (7-4) is provided between the cable connector assembly (7-3), the circuit board protection tube assembly (7-5), the motor component protection tube assembly (7-6) and the sensor protection tube assembly (7-8) and the eccentric channel.

5. The offshore remote communication and self-checking and self-control intelligent injection and production system according to claim 4 is characterized in that: The cable joint assembly (7-3) comprises an upper button (9), a metal sealing button (10), a middle button (11), a drawstring (12), an upper joint (13), an insulating sealing layer (14) and a cable joint (15), wherein: The upper button (9) and the middle button (11) are connected via threads, and the lower end surface is in contact with the metal sealing button (10). When the threads of the upper button (9) are rotated, the metal sealing button (10) can be pushed to deform, thereby being used for metal sealing; O-rings are arranged between the middle button (11), the cable steel skin (7-1) and the upper joint (13); The buckle (12) is connected to the middle button (11) by means of a thread, and the undercut at the lower end is connected to the undercut at the upper end of the upper joint (13); The insulating sealing layer (14) is arranged between the upper joint (13) and the cable joint (15); the cable joint (15) is in contact with the cable copper core (7-2).

6. The offshore remote communication and self-checking and self-control intelligent injection and production system according to claim 5 is characterized by: The circuit board protection tube assembly (7-5) comprises a middle connector (16), a pin block (17), a lead wire (18), a circuit board (19), a fixing rubber (20) and a lead wire pin (21), wherein: The middle joint (16) and the upper joint (13) are connected via threads; The middle of the pin block (17) is provided with a conical opening, which is connected to the lower pin of the cable connector (15); The circuit board (19) is connected to the pin block (17) via a lead wire (18), and a plurality of fixing rubbers (20) are provided on both sides of the circuit board (19) for fixing and protecting the circuit board (19); A lead channel (7-10) is provided on the side of the middle joint (16) for the data lead probe (7-9) to pass through, so as to realize data communication and power supply between the sensor protection tube assembly (7-8) and the circuit board protection tube assembly (7-5) of the cabled intelligent injection and production working tube (7); The circuit board (19) and the lead pin (21) are connected via the lead (18).

7. The offshore remote communication and self-checking and self-control intelligent injection and production system according to claim 6 is characterized by: The motor component protection tube assembly (7-6) comprises: a lower joint (22), a motor (23), a lead screw module (24) and a faucet block (25), wherein: The lower joint (22) is connected to the middle joint (16) via threads; The upper side of the motor (23) is connected to the lead pin (21) via the lead wire (18) and the pin block (17); The screw module (24) is capable of converting the rotational motion of the motor (23) into the linear motion of the faucet block (25); The water nozzle block (25) is used to cooperate with the water nozzle (7-7) to achieve single-layer injection and production liquid volume adjustment.

8. The offshore remote communication and self-checking and self-control intelligent injection and production system according to claim 4 is characterized in that: The sensor protection tube assembly (7-8) comprises: a sensor device tube (26) and a sensor circuit board (28), wherein: A liquid inlet (27) is provided on one side of the sensor device tube (26) for cooperating with the liquid outlet on the working cylinder body (8). The liquid inlet (27) is used to connect the central channel of the sensor device tube (26) with the central channel of the working cylinder body (8).

9. The offshore remote communication and self-checking and self-control intelligent injection and production system according to claim 8 is characterized by: A pressure sensor and a temperature sensor are embedded inside the sensor device tube (26).

10. The offshore remote communication and self-checking and self-control intelligent injection and production system according to any one of claims 1 to 3, characterized in that: The electrically controlled regulating valve (5) comprises a main circuit electrically controlled regulating valve and a branch circuit electrically controlled regulating valve.

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