Oilfield high-gas multiphase pump delivery system

Abstract

The present application relates to the technical fields of multiphase pump delivery in oil field, and discloses a high-gas-content multiphase pump delivery system for oil field, which comprises an inlet pipeline, a pump unit, a pump tank pipeline, an intermediate tank, an outlet pipeline, an electric control ball valve, a one-way pipeline, a shell and a gas-liquid pretreatment structure. After the gas-liquid mixed medium enters through the inlet pipeline, it is first subjected to preliminary gas-liquid separation, small bubble breaking and pressure fluctuation buffering by the gas-liquid pretreatment structure, and then enters the pump unit for pressurization. The pressurized medium enters the intermediate tank through the pump tank pipeline to complete secondary gas-liquid separation. After separation, the liquid is output through the outlet pipeline. When the gas content is detected to be too high, the electric control ball valve is opened to realize liquid supplement of the intermediate tank, thereby avoiding pump idling. When instantaneous high pressure is detected, the one-way pipeline is linked to release pressure, thereby preventing damage of the pump unit. The present application solves the technical problems of easy idling of the existing multiphase pump under high-gas-content working conditions and easy damage of the pump under high-pressure working conditions, and improves the system operation stability and equipment service life.

Description

Technical Field

[0001] This invention relates to the field of oilfield multiphase pump transportation technology, and in particular to an oilfield high-gas-content multiphase pump transportation system. Background Technology

[0002] As oil and gas resources expand into deep-sea and unconventional reservoirs, traditional transportation methods have limited efficiency. Twin-screw multiphase pumps, due to their ability to efficiently transport gas-liquid mixtures, have become crucial equipment in oil and gas gathering and transportation systems. Shale gas and offshore oilfield development have driven the demand for high-performance multiphase pumps, and the promotion of oil and gas production has also contributed to market growth. The increasing demand for transporting gas-liquid mixtures with high gas content has become a challenge for multiphase pumps.

[0003] Regarding the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: In the operation and use of oilfield high-gas-content multiphase pump transportation systems, currently, for twin-screw multiphase pumps, when the gas-liquid mixture is being transported and the gas content is not high, the spiral grooves inside the pump are always partially filled with liquid, and the self-priming effect of the twin-screw pump itself generally allows for trouble-free operation; however, when the gas-liquid mixture being transported has an excessively high gas content, such as reaching or approaching 100%, the pump will run dry because the spiral grooves inside the pump are not filled with liquid. If this dry running phenomenon occurs for a long time, the pump cannot maintain pressure, resulting in failure to transport. There is no high-pressure buffer zone, resulting in low working efficiency and a high failure rate in multiphase transportation; existing multiphase pumps are generally single-unit operations, with pipelines entering from the pump inlet and exiting from the pump outlet. The structure is simple, but the production efficiency is low. In particular, the occurrence of high pressure at the pump inlet can easily lead to damage to the pump unit;

[0004] When the medium being transported has a high gas content for an extended period, the spiral groove inside the pump may run dry due to lack of liquid filling, causing the pump to be unable to maintain pressure and ultimately resulting in a delivery interruption. Existing multiphase pumps mostly operate as single units, with pipelines directly connected to the pump inlet and led out of the outlet. The overall structure is simple, resulting in low production efficiency and a lack of effective high-pressure buffering mechanisms. When a sudden high-pressure impact occurs at the pump inlet, it can easily damage pump components, significantly increasing the equipment failure rate, maintenance costs, and the risk of production interruption. Summary of the Invention

[0005] The technical problem to be solved by this invention is the shortcomings of existing oilfield high-gas-content multiphase pump delivery systems. To address this, we propose an oilfield high-gas-content multiphase pump delivery system.

[0006] To achieve the above objectives, this application adopts the following technical solution: an oilfield high-gas-content multiphase pump delivery system, comprising an inlet pipeline, a shell connected to one side of the inlet pipeline, a pump unit connected to one side of the shell, a pump tank pipeline connected to one side of the pump unit, an intermediate tank connected to one side of the pump tank pipeline, the intermediate tank being used for gas-liquid separation, a tank inlet connected to one side of the intermediate tank, the tank inlet being connected to the pump tank pipeline, a liquid outlet connected to the other side of the intermediate tank, an electrically controlled ball valve connected to one end of the liquid outlet, the electrically controlled ball valve being connected to the inlet pipeline, a tank outlet connected to the top of the intermediate tank, an outlet pipeline connected to one end of the tank outlet, and a one-way pipe connected to one end of the outlet pipeline. The system includes a unidirectional pipeline connected to the inlet pipeline. The interior of the housing contains a gas-liquid pretreatment structure, which includes a flow guiding component. This component comprises a cylindrical shell, inside which spiral blades are installed. The initial gas-liquid mixture is guided through the spiral blades. A bubble-breaking component is located on one side of the flow guiding component. This component includes a rectangular shell inside the housing, with an adjusting component on one side and a sieve plate on one side. A buffer component is also located inside the housing, comprising a piston inside the housing. A butterfly spring is installed inside the piston, and a tension spring is movably connected to one side of the butterfly spring.

[0007] Preferably, the inlet pipeline includes an inlet pipe connected to one side of the housing, a branch pipe connected to one side of the inlet pipe, the branch pipe being connected to an electrically controlled ball valve, a two-phase flow transmitter connected to one end of the inlet pipe, and an inlet tee connected to one side of the two-phase flow transmitter.

[0008] Preferably, a second check valve is connected to one side of the inlet tee, a pipeline is connected to one side of the second check valve, and a second gate valve is connected to one side of the pipeline.

[0009] Preferably, one side of gate valve 2 is connected to an outlet tee, one side of outlet tee is connected to gate valve 1, one side of gate valve 1 is connected to check valve 2, one side of check valve 2 is connected to outlet pipe 2, and outlet pipe 2 is connected to the tank outlet.

[0010] Preferably, a base is provided on one side of the intermediate tank, a driver is provided on the top of the base, a pump head is provided on the output shaft of the driver, an inlet pipe is connected to one side of the pump head and is connected to the housing, and an outlet pipe is connected to the other side of the inlet pipe and is connected to the pump tank pipeline.

[0011] Preferably, a flange is provided on the outer side of the shell, a bolt is provided on one side of the flange, and a filter screen is provided on one side of the shell.

[0012] Preferably, one end of the bolt is provided with a flange two, the inner side of the flange two is provided with a round shell, the inner side of the round shell is provided with a sliding groove, the sliding groove is slidably connected with a slider, one side of the slider is provided with a connecting plate, the connecting plate is connected to the screen plate, the screen plate is distributed in four groups at equal intervals, and an elastic membrane is provided between two adjacent groups of screen plates, and the push plate drives the screen plate to vibrate and break the air bubbles.

[0013] Preferably, the housing has a support plate inside, which is connected to the rectangular housing. The adjustment component includes a drive component inside the rectangular housing and a push plate slidably connected inside the housing. The drive component includes a bidirectional motor inside the rectangular housing, bevel gear sets on both sides of the bidirectional motor, a turntable on one side of the bevel gear set, and circular blocks on the surface of the turntable.

[0014] Preferably, the housing has an inner sleeve, the push plate is slidably connected to the sleeve, and a hollow plate is provided on one side of the push plate, which is slidably connected to the round block.

[0015] Preferably, the housing has an outlet cylinder inside, which is connected to the piston, and a base plate is provided on one side of the disc spring, which is connected to the tension spring.

[0016] The technical effects and advantages of this invention are as follows:

[0017] In this invention, an intermediate tank is incorporated to achieve gas-liquid separation. The pumped gas-liquid mixture naturally separates within the intermediate tank, with the liquid located at the bottom of the tank. When the gas content of the gas-liquid mixture from the inlet pipeline is too high, the control system opens an electrically controlled ball valve, allowing the liquid to flow into the inlet pipeline. This ensures that the spiral grooves inside the twin-screw multiphase pump are always partially filled with liquid, enabling trouble-free operation. Regardless of the gas content of the transported gas-liquid mixture, the spiral grooves inside the pump are always filled with liquid, preventing the pump from running dry and achieving safe and stable delivery.

[0018] The failure rate of the pump is greatly reduced. A one-way pipeline is installed between the inlet and outlet pipelines. Because the one-way pipeline is equipped with a one-way valve, when the pump unit is in multiphase transportation, when the pressure of the pump inlet pipeline is high, the medium in the pipeline flows directly from the one-way pipeline, which effectively avoids the impact of the medium on the pump unit, thus greatly reducing the failure rate of the pump.

[0019] The linkage liquid replenishment mechanism between the intermediate tank and the electrically controlled ball valve ensures that the spiral groove inside the pump is always filled with liquid, fundamentally avoiding the problem of delivery interruption caused by pump dry running under high gas content conditions. The high-pressure relief linkage design of the one-way pipeline effectively resists the impact of instantaneous high pressure on the pump unit, reducing the risk of equipment damage. Through the three-stage treatment setting of the gas-liquid pretreatment structure—initial separation by the flow guiding component, breaking of microbubbles by the bubble-breaking component, and stabilization of pressure and flow rate by the buffer component—the thoroughness of gas-liquid separation is significantly improved, preventing gas-liquid remixing and maintaining stable inlet medium flow rate and pressure. It provides excellent operating conditions for the efficient operation of the pump unit; the components are precisely connected through rigid structures such as flanges and bolts to form a closed and continuous conveying channel, ensuring the stability of the structure operation; the synergistic effect of the buffer components and spring components reduces fatigue wear caused by pressure pulsation, extends the equipment maintenance cycle and service life, and reduces operation and maintenance costs; it can adapt to complex operating conditions such as high gas content and high pressure fluctuation in oil fields, and has a wider range of applications compared with the simple structure of existing single units, providing technical support for the efficient gathering and transportation of unconventional oil and gas resources such as deep sea and shale gas. Attached Figure Description

[0020] The disclosure of this invention is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this invention. In the drawings, the same reference numerals are used to refer to the same parts:

[0021] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the overall three-dimensional side view structure of the present invention;

[0023] Figure 3 This is a top view of the overall structure of the present invention;

[0024] Figure 4 This is a three-dimensional cross-sectional view of the inlet pipe, shell, and gas-liquid pretreatment structure of the present invention.

[0025] Figure 5 This is a three-dimensional cross-sectional view of the flow guiding component of the present invention;

[0026] Figure 6 This is a three-dimensional cross-sectional structural diagram of the buffer component of the present invention;

[0027] Figure 7 This is a three-dimensional cross-sectional view of the bubble-breaking component of the present invention;

[0028] Figure 8 This is a three-dimensional unfolded structural diagram of the bubble-breaking component of the present invention;

[0029] Figure 9This is a schematic diagram of the three-dimensional unfolded structure of the adjustment component of the present invention.

[0030] Legend: 1. Inlet pipeline; 11. Inlet tee; 12. Two-phase flow transmitter; 13. Branch pipe; 14. Inlet pipe; 2. Pump unit; 21. Base; 22. Driver; 23. Pump head; 24. Inlet pipe; 25. Outlet pipe one; 3. Pump tank pipeline; 4. Intermediate tank; 41. Tank inlet; 42. Liquid outlet; 43. Tank outlet; 5. Outlet pipeline; 51. Outlet pipe two; 52. Check valve one; 53. Gate valve one; 54. Outlet tee; 6. Electrically controlled ball valve; 7. One-way pipeline; 71. Check valve two; 72. Gate valve two; 73. Pipeline; 8. Shell; 9. Gas-liquid pretreatment structure; 91. Flow guide assembly; 911. Shell; 9 12. Spiral blades; 913. Filter screen; 914. Bolt; 915. Flange 1; 92. Bubble breaking assembly; 921. Flange 2; 922. Round shell; 923. Slide groove; 924. Slider; 925. Connecting plate; 926. Screen plate; 927. Elastic membrane; 928. Rectangular shell; 929. Adjusting assembly; 9291. Bidirectional motor; 9292. Bevel gear set; 9293. Turntable; 9294. Round block; 9295. Hollow plate; 9296. Push plate; 9297. Sleeve; 9210. Bearing plate; 93. Buffer assembly; 931. Outlet cylinder; 932. Piston; 933. Butterfly spring; 934. Tension spring; 935. Base plate. Detailed Implementation

[0031] It is readily understood that, based on the technical solution of this invention, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of the invention. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative examples of the technical solution of this invention and should not be considered as the entirety of the invention or as limitations or restrictions on the technical solution of this invention.

[0032] Reference Figure 1-9As shown, the present invention provides a technical solution: an oilfield high-gas-content multiphase pump delivery system, including an inlet pipeline 1, a housing 8 connected to one side of the inlet pipeline 1, a pump unit 2 connected to one side of the housing 8, a pump tank pipeline 3 connected to one side of the pump unit 2, an intermediate tank 4 connected to one side of the pump tank pipeline 3, the intermediate tank 4 being used for gas-liquid separation, a tank inlet 41 connected to one side of the intermediate tank 4, the tank inlet 41 being connected to the pump tank pipeline 3, a liquid outlet 42 connected to the other side of the intermediate tank 4, an electrically controlled ball valve 6 connected to one end of the liquid outlet 42, the electrically controlled ball valve 6 being connected to the inlet pipeline 1, a tank outlet 43 connected to the top of the intermediate tank 4, an outlet pipeline 5 connected to one end of the tank outlet 43, a one-way pipeline 7 connected to one end of the outlet pipeline 5, the one-way pipeline 7 being connected to the inlet pipeline 1, and the inner... The unit is equipped with a gas-liquid pretreatment structure 9, which includes a flow guiding component 91 disposed inside the housing 8. The flow guiding component 91 includes a cylindrical shell 911 disposed inside the housing 8. The cylindrical shell 911 is equipped with a spiral blade 912 inside, through which the initial gas and liquid are guided. A bubble breaking component 92 is disposed on one side of the flow guiding component 91. The bubble breaking component 92 includes a rectangular shell 928 disposed inside the housing 8. An adjusting component 929 is disposed on one side of the rectangular shell 928. A sieve plate 926 is disposed on one side of the adjusting component 929. A buffer component 93 is also disposed inside the housing 8. The buffer component 93 includes a piston 932 disposed inside the housing 8. A butterfly spring 933 is disposed inside the piston 932. A tension spring 934 is movably connected to one side of the butterfly spring 933.

[0033] Reference Figure 1-9 As shown, in this embodiment: the inlet pipeline 1 includes an inlet pipe 14 connected to one side of the shell 8, a branch pipe 13 connected to one side of the inlet pipe 14, the branch pipe 13 being connected to the electrically controlled ball valve 6, a two-phase flow transmitter 12 connected to one end of the inlet pipe 14, an inlet tee 11 connected to one side of the two-phase flow transmitter 12, a second check valve 71 connected to one side of the inlet tee 11, a pipe 73 connected to one side of the second check valve 71, a second gate valve 72 connected to one side of the pipe 73, an outlet tee 54 connected to one side of the gate valve 72, a first gate valve 53 connected to one side of the outlet tee 54, a first check valve 52 connected to one side of the gate valve 53, an outlet pipe 51 connected to one side of the first check valve 52, and an outlet pipe 51 connected to the tank outlet 43. The outlet pipeline 5 is also equipped with a first check valve 52 to prevent backflow of the medium.

[0034] A base 21 is provided on one side of the intermediate tank 4, and a driver 22 is provided on the top of the base 21. A pump head 23 is provided on the output shaft of the driver 22. An inlet pipe 24 is connected to one side of the pump head 23 and is connected to the housing 8. An outlet pipe 25 is connected to the other side of the inlet pipe 24 and is connected to the pump tank pipeline 3. This realizes the basic closed loop for the transportation of high gas content media and avoids the two major problems of pump dry running and high pressure damage.

[0035] A flange 915 is provided on the outer side of the cylindrical shell 911. A bolt 914 is provided on one side of the flange 915. A filter screen 913 is provided on one side of the cylindrical shell 911. A flange 921 is provided at one end of the bolt 914. A circular shell 922 is provided on the inner side of the flange 921. A sliding groove 923 is opened on the inner side of the circular shell 922. A slider 924 is slidably connected inside the sliding groove 923. A connecting plate 925 is provided on one side of the slider 924. The connecting plate 925 is connected to the sieve plate 926. Four sets of sieve plates 926 are evenly distributed. An elastic membrane 927 is provided between two adjacent sets of sieve plates 926. A push plate 9296 drives the sieve plates 926 to vibrate and break bubbles. A bearing plate 927 is provided inside the shell 8. The bearing plate 927 is connected to the rectangular shell 928. The connection and adjustment assembly 929 includes a drive assembly disposed inside a rectangular shell 928. The adjustment assembly 929 includes a push plate 9296 slidably connected inside the shell 8. The drive assembly includes a bidirectional motor 9291 disposed inside the rectangular shell 928. Bevel gear sets 9292 are disposed on both sides of the bidirectional motor 9291. A turntable 9293 is disposed on one side of the bevel gear set 9292. A circular block 9294 is disposed on the surface of the turntable 9293. A sleeve 9297 is disposed inside the shell 8. The push plate 9296 is slidably connected to the sleeve 9297. A hollow plate 9295 is disposed on one side of the push plate 9296. The hollow plate 9295 is slidably connected to the circular block 9294. This improves the efficiency of breaking up microbubbles and completely solves the problem of gas-liquid remixing.

[0036] An outlet cylinder 931 is provided inside the housing 8. The outlet cylinder 931 is connected to the piston 932. A base plate 935 is provided on one side of the butterfly spring 933. The base plate 935 is connected to the tension spring 934, which improves the working efficiency of the pump unit 2 and reduces the fatigue wear of the components caused by pulsation.

[0037] Working principle: The gas-liquid mixture first enters the system through the inlet tee 11 of the inlet pipeline 1. After the gas content parameter is detected in real time by the two-phase flow transmitter 12, it flows through the inlet pipe 14 and the branch pipe 13 to guide the subsequent processing structure. At the same time, the inlet tee 11 also provides a diversion interface for the unidirectional pipeline 7. The pre-treated medium enters the pump head 23 through the inlet pipe 24 of the pump unit 2. The driver 22, which is stably supported by the base 21, provides power to drive the pump head 23 to pressurize the medium. The pressurized medium flows into the pump tank pipeline 3 through the outlet pipe 1 25, and then enters the tank through the tank inlet 41 of the intermediate tank 4 to complete gas-liquid separation. The separated liquid is stored in the lower part of the tank and enters the outlet pipe 2 51 of the outlet pipeline 5 through the tank outlet 43. It then exits the system through the gate valve 1 53 and the outlet tee 54 in sequence. The outlet pipeline 5 also contains... A check valve 52 is provided to prevent backflow of the medium. When the two-phase flow transmitter 12 detects that the gas content of the medium in the inlet pipeline 1 is too high, the electrically controlled ball valve 6 automatically opens. The liquid stored in the intermediate tank 4 is injected into the area of ​​the branch pipe 13 through the liquid outlet 42 and the electrically controlled ball valve 6 to replenish the liquid and prevent the pump head 23 from running dry. When there is a momentary high pressure in the inlet pipeline 1, the check valve 71, the pipe 73 and the gate valve 72 of the one-way pipeline 7 are opened in conjunction. After the high-pressure medium is diverted through the inlet tee 11, it flows quickly to the outlet tee 54 through the pipe 73 and the gate valve 72 to release the pressure and prevent the high pressure from impacting the pump unit 2. This realizes the basic closed loop for the transportation of high gas content medium, avoids the two major problems of pump dry running and high pressure damage, ensures the basic stable operation of the system under normal and complex working conditions, and improves the continuity of transportation and the service life of the equipment.

[0038] As the primary step in gas-liquid pretreatment, the flow guiding assembly 91 provides a closed space for pretreatment through its shell 911. The internal spiral blades 912 guide the gas-liquid mixture to form a strong vortex, using centrifugal force to separate most of the free gas to the central region. The liquid, due to its higher density, adheres to the inner wall of the shell 911 and flows. It then passes through a filter screen 913 on one side of the shell 911 to filter impurities in the medium, preventing them from entering subsequent structures and causing blockages or wear. The flow guiding assembly 91 is fixedly connected to the defoaming assembly 92 via flange 915 and bolts 914, ensuring structural stability and continuous media delivery. This achieves the dual functions of preliminary gas-liquid separation and impurity filtration, improving separation efficiency. The beneficial effects include reducing the processing load on the subsequent defoaming assembly 92, preventing wear on core components such as the pump head 23 by impurities, and laying a pure and stratified media foundation for accurate subsequent treatment.

[0039] The defoaming component 92 receives the medium conveyed by the flow guiding component 91 and is securely connected to the flow guiding component 91 via flange 2 921. A groove 923 on the inner side of its circular shell 922 provides a sliding track for the slider 924. The slider 924 is connected to four sets of equally spaced screen plates 926 via a connecting plate 925. An elastic membrane 927 is provided between adjacent screen plates 926. The rectangular shell 928 and the receiving plate 9210 provide mounting support for the adjusting component 929. After the bidirectional motor 9291 of the adjusting component 929 is started, it drives the two side turntables 9293 to rotate via a bevel gear set 9292. The circular blocks 92 on the surface of the turntables 9293... 94 slides within the hollow plate 9295, driving the push plate 9296 to reciprocate along the casing 9297. The push plate 9296 drives the screen plate 926 to vibrate radially synchronously through the connecting plate 925 and the slider 924. The elastic membrane 927 expands and contracts with the vibration of the screen plate 926, further breaking up residual microbubbles. This improves the efficiency of microbubble breaking, completely solves the problem of gas-liquid remixing, significantly improves the thoroughness of gas-liquid separation, ensures that the gas content of the medium entering the pump head 23 is at a low level, further reduces the risk of pump idling, and at the same time, the vibration setting avoids the clogging of the screen plate 926, ensuring the stability of pretreatment efficiency.

[0040] The outlet cylinder 931 of the buffer assembly 93 receives the medium conveyed by the debubbling assembly 92. The piston 932 inside the buffer assembly 93 is slidably engaged with the outlet cylinder 931. A butterfly spring 933 inside the piston 932 provides elastic buffering force. One side of the butterfly spring 933 is movably connected to a tension spring 934 via a base plate 935. The tension spring 934 assists the butterfly spring 933 in resetting the piston 932. When the medium pressure fluctuates, the pressure change pushes the piston 932 to move. The butterfly spring 933 absorbs the pressure peak through extension and contraction, while the tension spring 934 assists in adjusting the movement amplitude of the piston 932 to ensure the piston... 932 stabilizes and resets; when the medium pressure increases, the pressure pushes the piston 932 to one side, compressing the disc spring 933, while the medium flows into the inlet pipe 24 from the gap or channel around the piston; when the pressure decreases, the spring rebounds and drives the piston to reset, and the medium continues to flow through the gap or channel, which can absorb pressure pulsation, stabilize the medium flow rate, completely eliminate the fluctuation of medium flow rate and pressure, avoid the impact of fluctuation on the pump head 23, improve the working efficiency of the pump unit 2, and at the same time reduce the fatigue wear of components caused by pulsation, further extending the maintenance cycle and service life of the equipment.

[0041] The technical scope of this invention is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this invention, and all such modifications and variations should fall within the protection scope of this invention.

Claims

1. A multiphase pump delivery system for high gas content in oil fields, characterized in that, The system includes an inlet pipeline, a housing connected to one side of the inlet pipeline, a pump unit connected to one side of the housing, a pump tank pipeline connected to one side of the pump unit, an intermediate tank connected to one side of the pump tank pipeline for gas-liquid separation, a tank inlet connected to one side of the intermediate tank and connected to the pump tank pipeline, a liquid outlet connected to the other side of the intermediate tank, an electrically controlled ball valve connected to one end of the liquid outlet and connected to the inlet pipeline, a tank outlet connected to the top of the intermediate tank, an outlet pipeline connected to one end of the outlet pipeline and a one-way pipeline connected to the inlet pipeline. The connection includes a gas-liquid pretreatment structure inside the housing. The gas-liquid pretreatment structure includes a flow guiding component inside the housing. The flow guiding component includes a cylindrical shell inside the housing. The cylindrical shell has spiral blades inside. A bubble breaking component is provided on one side of the flow guiding component. The bubble breaking component includes a rectangular shell inside the housing. An adjusting component is provided on one side of the rectangular shell. A sieve plate is provided on one side of the adjusting component. A buffer component is also provided inside the housing. The buffer component includes a piston inside the housing. A butterfly spring is provided inside the piston. A tension spring is movably connected to one side of the butterfly spring. A flange is provided on the outer side of the cylindrical shell, a bolt is provided on one side of the flange, and a filter screen is provided on one side of the cylindrical shell. One end of the bolt is provided with a flange two, the inner side of the flange two is provided with a circular shell, the inner side of the circular shell is provided with a sliding groove, a slider is slidably connected inside the sliding groove, a connecting plate is provided on one side of the slider, the connecting plate is connected to the sieve plate, the sieve plate is distributed in four groups at equal intervals, and an elastic membrane is provided between two adjacent groups of sieve plates. The housing has a support plate inside, which is connected to the rectangular shell. The adjustment component includes a drive component inside the rectangular shell. The adjustment component includes a push plate slidably connected inside the housing. The push plate drives the screen plate to vibrate and break bubbles. The drive component includes a bidirectional motor inside the rectangular shell. The bidirectional motor has bevel gear sets on both sides. A turntable is provided on one side of the bevel gear sets. The surface of the turntable is provided with round blocks. The housing has an inner sleeve, the push plate is slidably connected to the sleeve, and a hollow plate is provided on one side of the push plate, which is slidably connected to the round block.

2. The oilfield high-gas-content multiphase pump delivery system according to claim 1, characterized in that: The inlet pipeline includes an inlet pipe connected to one side of the housing, a branch pipe connected to one side of the inlet pipe, the branch pipe being connected to an electrically controlled ball valve, a two-phase flow transmitter connected to one end of the inlet pipe, and an inlet tee connected to one side of the two-phase flow transmitter.

3. The oilfield high-gas-content multiphase pump delivery system according to claim 2, characterized in that: One side of the inlet tee is connected to a second check valve, one side of the second check valve is connected to a pipe, and one side of the pipe is connected to a second gate valve.

4. The oilfield high-gas-content multiphase pump delivery system according to claim 3, characterized in that: One side of the gate valve 2 is connected to an outlet tee, one side of the outlet tee is connected to a gate valve 1, one side of the gate valve 1 is connected to a check valve 2, one side of the check valve 2 is connected to an outlet pipe 2, and the outlet pipe 2 is connected to the tank outlet.

5. The oilfield high-gas-content multiphase pump delivery system according to claim 1, characterized in that: A base is provided on one side of the intermediate tank, and a driver is provided on the top of the base. A pump head is provided on the output shaft of the driver. An inlet pipe is connected to one side of the pump head and is connected to the housing. An outlet pipe is connected to the other side of the inlet pipe and is connected to the pump tank pipeline.

6. The oilfield high-gas-content multiphase pump delivery system according to claim 1, characterized in that: The housing has an outlet cylinder inside, which is connected to the piston. A base plate is provided on one side of the disc spring, which is connected to the tension spring.

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