CN215726063U

CN215726063U - Self-sinking insertion type submarine pipeline mud-entering leakage test device

Info

Publication number: CN215726063U
Application number: CN202120449188.3U
Authority: CN
Inventors: 冯勤; 何晋红; 陶敬华; 王健; 毛宏宇
Original assignee: Xuzhou Ruixiao Intelligent Technology Co ltd
Current assignee: Xuzhou Ruixiao Intelligent Technology Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2022-02-01
Anticipated expiration: 2031-03-02

Abstract

The utility model discloses a self-sinking insertion type submarine pipeline mud entering leakage test device, which comprises a mud surface base plate component, a flow dividing and controlling component and a mud entering and leaking hole component, wherein the mud surface base plate component is provided with a mud inlet hole and a mud outlet hole; the mud face basal disc component provides supporting action for the shunting and control component and the mud entering and hole leaking component, the shunting and control component provides fluid connection, shunting and remote control functions, and the mud entering and hole leaking component provides mud entering construction and mud hole leaking simulation functions. The device adopts a remote control underwater device, utilizes the high-pressure cutting principle and the self-weight sinking principle of jet logistics to carry out mud entering construction, and is simple and easy to implement. The leakage position of a real submarine pipeline is simulated by setting the aperture size and the position of the leakage pipe and the nozzle of the base plate, so that the device is multifunctional. The utility model has simple offshore construction, visible and controllable water surface in a mud entering state, repeated use and the capability of simulating various different leakage conditions by one device, thereby facilitating the research on the leakage of the submarine pipeline.

Description

Self-sinking insertion type submarine pipeline mud-entering leakage test device

Technical Field

The utility model relates to the technical field of marine oil and gas resource exploitation, in particular to a self-sinking insertion type submarine pipeline mud-entering leakage test device.

Background

Oil and gas gathering and transportation is an important part of ocean oil and gas development and is the 'life line' of an offshore oil and gas production system. Once the submarine pipeline is damaged, oil gas leakage and serious consequences can be caused, so that the normal production of the offshore oil and gas field can be influenced, and huge economic loss is caused; more seriously, the oil gas leakage will cause serious pollution to the marine environment, destroy the marine ecology and also produce adverse social effects.

The research on the leakage behavior of the submarine pipeline needs to be tested, and the offshore test construction is complex and expensive. Therefore, the research of a test device which not only meets the requirements of pipeline leakage scenes under the seabed mud, but also has simple construction, controllable construction and repeated use is particularly important.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a self-sinking insertion type submarine pipeline mud leakage test device. In order to achieve the purpose, the utility model adopts the following technical scheme:

a self-sinking inserted submarine pipeline mud-entering leakage test device comprises a mud surface base plate component, a flow dividing and controlling component and a mud-entering and leaking hole component; mud face base plate part provides the supporting role for reposition of redundant personnel and control unit and income mud and small opening part, reposition of redundant personnel and control unit provide fluid coupling, reposition of redundant personnel and remote control function, it provides into mud construction and mud small opening simulation function down with the small opening part to go into mud.

As an improvement, the mud face base plate component comprises: disc base, epitaxial backup pad, support angle steel, rings, depth of water meter, inclination sensor and nozzle under water, epitaxial backup pad one end and disc base fixed connection, the one end is extensive to the disc base outside, support angle steel one end and disc base fixed connection, the other end extend to the disc base outside, rings and depth of water meter are located and are supported the angle steel end, inclination sensor locates on the disc base under water, the nozzle is located the disc base and is followed outward, and the opening is towards the disc base outside.

As an improvement, go into mud and small opening part and include fixed backing plate, sunken pipe, leakage pipe, the central point that disc base was located to fixed backing plate puts, sunken pipe wears to establish in fixed backing plate center department to extend downwards, the quantity of leakage pipe is a plurality of to encircle and set up all around sunken pipe, all be equipped with the small opening on leakage pipe and the sunken pipe.

As an improvement, the flow dividing and controlling part comprises: the device comprises a shunt bar, a fixing buckle, an underwater four-way joint and a connecting hose, wherein the fixing buckle fixes the shunt bar on a disc base, the underwater four-way joint is externally connected with a high-pressure hose and then connected to the shunt bar, and the shunt bar is provided with a shunt hole and is respectively communicated with a leakage pipe, a sunken pipe and a nozzle through the connecting hose.

As an improvement, deep water electromagnetic valves are respectively arranged on connecting hoses for communicating the shunt rows with the leakage pipes, the sinking pipes and the nozzles.

As an improvement, the aperture and the form of the leakage holes on each leakage pipe are different, and the heights of the leakage holes are different.

As an improvement, a pressure transmitter is arranged on the underwater four-way joint.

As an improvement, the deepwater electromagnetic valve, the pressure transmitter, the underwater inclination angle sensor and the bathymeter are externally connected with cables, and the disc base is provided with a cable junction box.

As an improvement, the main body of the test device is made of stainless steel.

The utility model has the following advantages:

the device adopts a remote control underwater device, utilizes the high-pressure cutting principle and the self-weight sinking principle of jet logistics to carry out mud entering construction, and is simple and easy to implement. The leakage position of a real submarine pipeline is simulated by setting the aperture size and the position of the leakage pipe and the nozzle of the base plate, so that the device is multifunctional.

The utility model has simple offshore construction, visible and controllable water surface in a mud entering state, repeated use and the capability of simulating various different leakage conditions by one device, thereby facilitating the research on the leakage of the submarine pipeline.

Drawings

FIG. 1 is a block diagram of a self-sinking inserted subsea pipeline mud leakage test apparatus according to example 1;

FIG. 2 is a top view of a self-sinking inserted subsea pipeline in-mud leak test apparatus according to example 1;

FIG. 3 is a structural view of a fixing pad in a self-sinking inserted submarine pipeline mud leakage test apparatus according to example 1;

fig. 4 is a diagram illustrating an operation state of the mud leakage test apparatus for a self-sinking inserted subsea pipeline in example 1.

Labeled as:

1-mud surface base plate part, 11-disc base, 12-extension supporting plate, 13-supporting angle steel, 14-lifting ring, 15-bathymeter, 16-underwater inclination angle sensor, 17-nozzle, 18-cable junction box, 2-shunt and control part, 21-shunt row, 22-fixing buckle, 23-underwater four-way, 231-pressure transmitter, 24-connecting hose, 3-mud inlet and leakage hole part, 31-fixing backing plate, 32-sink pipe, 33-leakage pipe, 331-leakage hole, 4-high pressure hose, 5-deep water solenoid valve, 6-lifting rope, 7-ship, 71-water surface and 72-mud surface.

Detailed Description

The present invention will be described in detail and specifically with reference to the following examples so as to facilitate the understanding of the present invention, but the following examples do not limit the scope of the present invention.

Example 1

The embodiment discloses a self-sinking inserted submarine pipeline mud leakage test device, which comprises a mud surface base plate component 1, a flow dividing and controlling component 2 and a mud inlet and leakage hole component 3. The mud surface base plate component 1 provides a supporting function for the flow dividing and controlling component 2 and the mud inlet and leakage hole component 3; the flow dividing and controlling component 2 provides fluid connection, flow dividing and remote control functions; the mud inlet and outlet component 3 provides mud inlet construction and mud outlet simulation functions.

The mud mat base part 1 includes: the device comprises a disc base 11, an extension supporting plate 12, supporting angle steel 13, a lifting ring 14, a water depth meter 15, an underwater tilt angle sensor 16 and a nozzle 17. One end of the extension supporting plate 12 is fixedly connected with the disk base 1, and the other end extends to the outer side of the disk base 11. One end of the supporting angle steel 13 is fixedly connected with the disc base 1, and the other end of the supporting angle steel extends to the outer side of the disc base 1. In this embodiment, the number of the outer edge support plates 12 and the number of the support angles 13 are 4. The hanging ring 14 and the deep water gauge 15 are arranged at the tail end of the support angle steel 13. The underwater tilt sensor 16 is arranged on the disc base 1. The number of nozzles 17 is 4 and is circumferentially arrayed on the outer edge of the disc base 1, opening towards the outside of the disc base 1.

The mud inlet and leakage hole component 3 comprises a fixed backing plate 31, a sinking pipe 32 and a leakage pipe 33. The fixed backing plate 31 is arranged at the center of the disc base 1, and the sinking pipe 32 penetrates through the center of the fixed backing plate 31 and extends downwards for 2.2 m. In this embodiment, the number of the leakage pipes 33 is 6 (numbered as a-F in the figure), and the leakage pipes 33 are arranged around the circumference of the sinking pipe, wherein the leakage pipes 33 a and 33B extend downward by 1.015m, and the leakage pipes 33C-F extend downward by 2.015 m. The leakage pipes 33 are provided with leakage holes 331, the numbers of the leakage holes 331 correspond to the numbers of the leakage pipes 33, the leakage holes A331 and the leakage holes B331 are located 1m below the disc base 11, the leakage holes C-F331 are located 2m below the disc base 11, the hole diameters and the hole shapes of the leakage holes A-F are different, and the tail ends of the sinking pipes 32 are also provided with the leakage holes 331 with the numbers of G.

The flow dividing and controlling section 2 includes: the device comprises a shunt row 21, a fixing buckle 22, an underwater four-way 23 and a connecting hose 24. Retaining clip 22 secures diverter row 21 to disk base 11. The underwater four-way 23 is externally connected with a high-pressure hose 4 and then connected to a shunt bar 21, and the shunt bar 21 is provided with shunt holes which are respectively communicated with each leakage pipe 33, the sinking pipe 32 and the nozzle 17 through a connecting hose 24. Each connecting hose 24 is provided with a deepwater electromagnetic valve 5. The underwater four-way 23 is provided with a pressure transmitter 231 so as to control the pressure in each pipeline behind the underwater four-way 23.

In this embodiment, the deep water solenoid valve 5, the pressure transmitter 231, the underwater tilt sensor 16, and the water depth meter 15 are all externally connected with cables, and the disc base 11 is provided with a cable junction box 18. The deepwater solenoid valves 5 are also numbered, wherein the deepwater solenoid valves 5 for controlling the A-F leakage pipes 33 are numbered the same as the corresponding leakage pipes 33, the deepwater solenoid valves 5 for controlling the sinking pipes 32 are numbered G, and the deepwater solenoid valves 5 for controlling the water seepage of the nozzles 17 are numbered 1# -4 #. In view of repeated use in seawater, the components are made of stainless steel materials to reduce seawater corrosion. The connection of the related components and the wiring of the cable need special treatment, so that high-pressure watertight and gas-liquid-tight are ensured.

The using method of the embodiment comprises the following steps:

a depth gauge 15, an underwater tilt angle sensor 16, a pressure transmitter 231 and a hanging ring 14 are fixedly arranged on the ship with the sling 6, relevant signals are well debugged, and the attitude flatness is finely adjusted according to the length of the sling 6. The high-pressure soft high pipe 4 is communicated with a water surface high-pressure air source.

The crane lowers the device to the seabed, and the underwater attitude and the underwater depth of the device are judged through two bathymeters 15 and an underwater tilt sensor 16. After the device reaches the seabed, the device automatically sinks by self weight, the sinking pipe 32 and the leakage pipe 33 are firstly inserted into soil, and the attitude inclination angle of the water surface monitoring device is less than 10 degrees.

And adjusting the pressure of the air source, opening the G-shaped deep water electromagnetic valve when the numerical value of the underwater pressure transmitter reaches a preset value, and ejecting the air through the shunt row 21, the underwater four-way 23, the connecting hose 24, the G-shaped deep water electromagnetic valve 5, the sinking pipe 32 and the G-shaped leakage hole 331. The soil mass on the underside of the sink pipe 32 loosens due to the action of the airflow and the device slowly sinks under its own weight.

And when the inclination angle of the water surface signal display device is larger than 10 degrees in the sinking process, the jetting is suspended, the G-shaped deep water electromagnetic valve 5 is closed, the crane lifts the device upwards, and the jetting sinking operation is carried out after the inclination angle is restored to 10 degrees. When the device can not sink, the gas in the high-pressure hose 4 is discharged, the high-pressure hose is switched to an electric submersible pump on the water surface, water is injected through the electric submersible pump, the No. 1-No. 4 deep-water electromagnetic valve 5 is opened, water is discharged through the nozzle 17, the gas in the channel is discharged all the time, and then the deep-water electromagnetic valve 5 is closed. The high-pressure hose 4 is connected and switched to be high-pressure gas, a gas source is opened, the reading of the pressure transmitter is observed, when the preset pressure value is reached, the No. G deep-water electromagnetic valve 5 is opened, high-pressure water is pushed by the high-pressure gas to be sprayed out through the G leakage hole 331, cutting water power is formed, soil on the lower side is impacted, and the device sinks.

And when the device is driven to the preset depth, the G-shaped deep water electromagnetic valve 5 is closed. Prepare for marine leak simulation testing.

And stabilizing the pressure value of the air source on the water surface according to the set pressure working condition (1-10 Mpa). The simulation of pipeline leakage modes of leakage holes with different apertures at different positions (1 meter above mud, 1 meter below mud and 2 meters below mud) can be realized by installing and controlling the deep-water electromagnetic valves 5 No. 1# -4# and A-F.

The embodiments of the present invention have been described in detail above, but they are merely exemplary, and the present invention is not equivalent to the above described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, it is intended that all equivalent alterations and modifications be included within the scope of the utility model, without departing from the spirit and scope of the utility model.

Claims

1. A self-sinking inserted submarine pipeline mud-entering leakage test device is characterized by comprising a mud surface base plate component, a flow dividing and controlling component and a mud-entering and leaking hole component; mud face base plate part provides the supporting role for reposition of redundant personnel and control unit and income mud and small opening part, reposition of redundant personnel and control unit provide fluid coupling, reposition of redundant personnel and remote control function, it provides into mud construction and mud small opening simulation function down with the small opening part to go into mud.

2. The apparatus for testing mud leakage of a self-sinking inserted subsea pipeline according to claim 1, wherein said mud-faced template component comprises: disc base, epitaxial backup pad, support angle steel, rings, depth of water meter, inclination sensor and nozzle under water, epitaxial backup pad one end and disc base fixed connection, the one end is extensive to the disc base outside, support angle steel one end and disc base fixed connection, the other end extend to the disc base outside, rings and depth of water meter are located and are supported the angle steel end, inclination sensor locates on the disc base under water, the nozzle is located the disc base and is followed outward, and the opening is towards the disc base outside.

3. The self-sinking inserted submarine pipeline mud leakage test device according to claim 2, wherein the mud leakage hole parts comprise a fixed backing plate, a plurality of sinking pipes and a leakage pipe, the fixed backing plate is arranged at the center of the disc base, the sinking pipes penetrate through the center of the fixed backing plate and extend downwards, the number of the leakage pipes is multiple, the leakage pipes are arranged around the sinking pipes, and the leakage holes are formed in the leakage pipes and the sinking pipes.

4. A submersible stinger type subsea pipeline in-mud leak test apparatus as claimed in claim 3, wherein said diversion and control means comprises: the device comprises a shunt bar, a fixing buckle, an underwater four-way joint and a connecting hose, wherein the fixing buckle fixes the shunt bar on a disc base, the underwater four-way joint is externally connected with a high-pressure hose and then connected to the shunt bar, and the shunt bar is provided with a shunt hole and is respectively communicated with a leakage pipe, a sunken pipe and a nozzle through the connecting hose.

5. The self-sinking inserted subsea pipeline mud leakage test device of claim 4, wherein the deep water solenoid valves are respectively disposed on the connection hoses of the shunt rows, the leak pipes, the sink pipes and the nozzles.

6. The apparatus of claim 3, wherein the leak pipes have different apertures and shapes and different heights.

7. The submersible insertion type subsea pipeline mud leakage test device according to claim 4, wherein a pressure transmitter is provided on the subsea cross.

8. The self-sinking insertion type submarine pipeline mud leakage test device according to claim 2, wherein cables are externally connected to the deep water electromagnetic valve, the pressure transmitter, the underwater inclination angle sensor and the water depth meter, and a cable junction box is arranged on the disc base.

9. The submersible insertion type subsea pipeline mud leakage test device according to claim 1, wherein the main body of the test device is made of stainless steel.