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CN-121476031-B - Pipeline damage condition simulation test device for deepwater underwater production system

CN121476031BCN 121476031 BCN121476031 BCN 121476031BCN-121476031-B

Abstract

The application relates to the technical field of oil and gas pipeline transportation, in particular to a pipeline damage condition simulation test device for a deepwater underwater production system. The device comprises a water delivery mechanism, a first simulation mechanism, a second simulation mechanism, a third simulation mechanism and a gas delivery mechanism, wherein the water delivery mechanism is used for delivering liquid to a box body, the first simulation mechanism comprises a first pipeline and a leakage control assembly, the leakage control assembly is arranged on the box body and connected with the first pipeline, the second simulation mechanism comprises a second pipeline and a driving piece, the driving piece is arranged on the second pipeline and used for driving the liquid in the box body to circularly flow in the box body and the second pipeline, the third simulation mechanism comprises a third pipeline and a detection piece, the detection piece is used for detecting damage information of the third pipeline and temperature information of the liquid, and the gas delivery mechanism is respectively communicated with the first pipeline and the third pipeline so as to deliver gas into the first pipeline and the third pipeline. Through the linkage of each mechanism, the compound working conditions of liquid environment, liquid circulation, gas leakage and pipeline damage can be simulated simultaneously, and the accuracy of test data of the simulation test device is improved.

Inventors

  • WU SHENGNAN
  • ZHANG LAIBIN
  • YU LONG

Assignees

  • 中国石油大学(北京)

Dates

Publication Date
20260508
Application Date
20251107

Claims (10)

  1. 1. A pipeline damage operating mode simulation test device for deep water production system under water, its characterized in that includes: A case (100); The water delivery mechanism is communicated with the box body (100) and is used for delivering liquid to the box body (100); A first simulation mechanism (200) comprising a first pipeline (210) and a leakage control assembly (220), wherein part of the first pipeline (210) is arranged in the box body (100), the leakage control assembly (220) is arranged on the box body (100), and the leakage control assembly (220) is connected with the first pipeline (210) so as to control the gas leakage flow of the first pipeline (210); The second simulation mechanism (300) comprises a second pipeline (310) and a driving piece (320), wherein a water inlet and a water outlet of the second pipeline (310) are respectively communicated with two opposite sides of the box body (100), and the driving piece (320) is arranged on the second pipeline (310) so as to drive liquid in the box body (100) to circularly flow in the box body (100) and the second pipeline (310); The third simulation mechanism (400) comprises a third pipeline (410) and a detection piece, wherein part of the third pipeline (410) is arranged in the box body (100), and the detection piece is used for detecting damage information of the third pipeline (410) and temperature information of liquid; And the gas transmission mechanism (500) is respectively communicated with the first pipeline (210) and the third pipeline (410) so as to transmit gas into the first pipeline (210) and the third pipeline (410).
  2. 2. The pipe damage condition simulation test device for a deepwater underwater production system according to claim 1, wherein the first simulation mechanism (200) further comprises a communicating pipe (230) and a leakage pipe, the first pipeline (210) is provided with a leakage hole, one end of the communicating pipe (230) is communicated with the leakage hole, the other end of the communicating pipe (230) is communicated with the leakage control assembly (220), one end of the leakage pipe is communicated with the leakage control assembly (220), and one end of the leakage pipe is positioned in the box body (100); The leakage control assembly (220) is configured to control a magnitude of a gas flow rate of the first conduit (210) to a leakage pipe.
  3. 3. The pipeline damage condition simulation test device for a deepwater underwater production system according to claim 2, wherein a plurality of air outlets (231) are formed in the other end of the communicating pipe (230), the diameters of the air outlets (231) are different, the first simulation mechanism (200) further comprises a plurality of communicating hoses with different diameters and a plurality of leakage control assemblies (220), one end of each communicating hose is arranged corresponding to the air outlet (231), and the other end of each communicating hose is arranged corresponding to the leakage control assembly (220).
  4. 4. A pipeline damage condition simulation test device for a deepwater underwater production system according to claim 3, wherein the leakage control assembly (220) comprises a solenoid valve (221), a gas flowmeter (222) and a needle valve group (223) which are connected, the other end of the communicating pipe (230) is communicated with the solenoid valve (221), one end of the leakage pipe is communicated with the needle valve group (223), the solenoid valve (221) is used for controlling the opening and closing of leakage gas flowing from the first pipeline (210) to the leakage pipe, the needle valve group (223) is used for controlling the flow rate of the leakage gas of the leakage pipe, and the gas flowmeter (222) is used for detecting the flow rate of the leakage gas.
  5. 5. The pipe damage condition simulation test device for a deepwater production system according to claim 2, wherein the first pipe (210) comprises a first pipe section (211) and a second pipe section (212), the first pipe section (211) is arranged in the box body (100) along the width direction of the box body (100), the second pipe section (212) is arranged on the box body (100), one end of the second pipe section (212) is arranged on one side of the box body (100) in the width direction and is communicated with one end of the first pipe section (211), the other end of the second pipe section (212) is arranged on the other side of the box body (100) in the width direction and is communicated with the other end of the first pipe section (211), and the leakage hole is arranged on the first pipe section (211); The gas transmission mechanism (500) is communicated with the second pipe section (212), the first simulation mechanism (200) further comprises a first pump body (240), the first pump body (240) is arranged on the second pipe section (212), the first pump body (240) is used for controlling gas to flow in the first pipe section (211) and the second pipe section (212), a heat exchanger and a temperature detection piece are arranged on the first pipeline (210), the temperature detection piece detects the temperature of the first pipeline (210), and the heat exchanger is used for controlling the temperature of a gas medium in the first pipeline (210).
  6. 6. The pipeline damage condition simulation test device for a deepwater underwater production system according to claim 1, wherein the second simulation mechanism (300) further comprises two flow-making profiled cylinders (330), flow channels for liquid flow are arranged in the two flow-making profiled cylinders (330), one end of the second pipeline (310) is communicated with the flow-making profiled cylinder (330) of the box body (100) through one of the flow-making profiled cylinders, the other end of the second pipeline (310) is communicated with the flow-making profiled cylinder (330) of the box body (100) through the other flow-making profiled cylinder, and the cross-section size of the flow-making profiled cylinder (330) uniformly impacts the second pipeline (310) in the direction from the end part of the second pipeline (310) to the box body (100).
  7. 7. The pipe damage condition simulation test device for a deepwater underwater production system according to claim 1, wherein the third pipe (410) comprises a third pipe section (411) and a fourth pipe section (412), the third pipe section (411) is arranged in the box (100) along the width direction of the box (100), the fourth pipe section (412) is arranged on the box (100), one end of the fourth pipe section (412) is positioned at one side of the box (100) in the width direction and is communicated with one end of the third pipe section (411), the other end of the fourth pipe section (412) is positioned at the other side of the box (100) in the width direction and is communicated with the other end of the third pipe section (411), and the detection piece is arranged on the third pipe section (411); The gas transmission mechanism (500) is communicated with the fourth pipe section (412), the third simulation mechanism (400) further comprises a second pump body (420), the second pump body (420) is arranged on the fourth pipe section (412), and the second pump body (420) is used for controlling fluid media to flow in the third pipe section (411) and the fourth pipe section (412).
  8. 8. The pipeline damage condition simulation test device for a deep water underwater production system according to claim 1, wherein the gas transmission mechanism (500) comprises a gas storage tank (510), a gas transmission pipeline and a gas compressor (520), the gas storage tank (510) is located at one side of the tank body (100), the gas compressor (520) is communicated with the gas storage tank (510) through the gas transmission pipeline, and a communication mechanism (530) is arranged between the gas storage tank (510) and the first pipeline (210) and the third pipeline (410) so that the gas storage tank (510) is communicated with the first pipeline (210) and the third pipeline (410).
  9. 9. The pipeline damage condition simulation test device for a deepwater underwater production system according to claim 8, wherein the communication mechanism (530) comprises a three-way piece (531), a first ventilation pipe and a second ventilation pipe, the three-way piece (531) is provided with an air inlet, a first air outlet and a second air outlet, the air outlet of the air storage tank (510) is communicated with the air inlet of the three-way piece (531), the first air outlet is communicated with the first pipeline (210) through the first ventilation pipe, and the second air outlet is communicated with the third pipeline (410) through the second ventilation pipe; A first pressure regulating valve (532) for regulating the pressure of the gas is arranged on the first vent pipe; a second pressure regulating valve (533) for regulating the gas pressure is arranged on the second vent pipe.
  10. 10. The pipeline damage condition simulation test device for a deepwater underwater production system according to claim 1, further comprising a console (610) and a frame (620), wherein the box body (100) and the console (610) are both arranged on the frame (620), and the console (610) is respectively connected with the leakage control assembly (220), the driving piece (320), the water delivery mechanism and the gas delivery mechanism (500).

Description

Pipeline damage condition simulation test device for deepwater underwater production system Technical Field The application relates to the technical field of oil and gas pipeline transportation, in particular to a pipeline damage condition simulation test device for a deepwater underwater production system. Background The underwater production system is a core facility for ocean oil and gas development and is mainly used for collection, treatment and transportation of submarine oil and gas. The pipeline for conveying oil gas is used as a key component for connecting an underwater production system with a land or offshore platform, and bears the high-pressure and high-temperature oil gas conveying task. The pipeline is subjected to the complex environmental effects of high pressure, corrosion, ocean current impact and the like for a long time, and leakage or structural damage is easy to occur. In the related art, a static water tank is arranged, and a pipeline simulating oil and gas transmission is arranged in the static water tank, so that an experimental platform simulating the pipeline to be arranged on the sea floor is formed. Specifically, the pipeline is mainly placed at the bottom of the water tank, defects are preformed on the pipeline through machining, the working condition of pipeline leakage is further simulated in the static water tank, and the leaked gas of the pipeline is detected, so that the position of the pipeline leakage and the leaked gas amount are judged. However, the static water tank cannot simulate ocean conditions, and accuracy of detection results of the experimental platform is affected. Disclosure of Invention The embodiment of the application provides a pipeline damage condition simulation test device for a deepwater underwater production system, which can solve the problem that a static water tank in the prior art cannot simulate ocean conditions and influences the accuracy of test results of an experimental platform. The embodiment of the application provides a pipeline damage condition simulation test device for a deepwater underwater production system, which comprises the following components: A case; The water delivery mechanism is communicated with the box body and is used for delivering liquid to the box body; the first simulation mechanism comprises a first pipeline and a leakage control assembly, part of the first pipeline is arranged in the box body, the leakage control assembly is arranged on the box body, and the leakage control assembly is connected with the first pipeline to control the gas leakage flow of the first pipeline; The second simulation mechanism comprises a second pipeline and a driving piece, a water inlet and a water outlet of the second pipeline are respectively communicated with two opposite sides of the box body, and the driving piece is arranged on the second pipeline to drive liquid in the box body to circularly flow in the box body and the second pipeline; The third simulation mechanism comprises a third pipeline and a detection part, part of the third pipeline is arranged in the box body, and the detection part is used for detecting damage information of the third pipeline and temperature information of liquid; and the gas transmission mechanism is respectively communicated with the first pipeline and the third pipeline so as to transmit gas into the first pipeline and the third pipeline. The above-mentioned pipeline damage condition simulation test device for a deepwater underwater production system, optionally, the first simulation mechanism further comprises a communicating pipe and a leakage pipe, the first pipeline is provided with a leakage hole, one end of the communicating pipe is communicated with the leakage hole, the other end of the communicating pipe is communicated with the leakage control assembly, one end of the leakage pipe is communicated with the leakage control assembly, and one end of the leakage pipe is positioned in the box body; The leak control assembly is configured to control the amount of gas flow from the first conduit to the leak pipe. In the above pipeline damage condition simulation test device for a deepwater underwater production system, optionally, a plurality of air outlets are formed in the other end of the communicating pipe, the diameters of the air outlets are different, the first simulation mechanism further comprises a plurality of communicating hoses with different diameters and a plurality of leakage control assemblies, one end of each communicating hose is arranged corresponding to the corresponding air outlet, and the other end of each communicating hose is arranged corresponding to the corresponding leakage control assembly. In the above-mentioned pipeline damage condition simulation test device for deep water production system, optionally, the leakage control assembly includes solenoid valve, gas flowmeter and needle valve group that are connected, and the other end and the solenoid valve interco