CN220504989U

CN220504989U - Oil guiding and leakage controlling device for offshore oil production blowout

Info

Publication number: CN220504989U
Application number: CN202322272441.4U
Authority: CN
Inventors: 徐军术; 黄东明; 张建洪
Original assignee: Zhanjiang Oceantech Oil & Gas Engineering Co ltd
Current assignee: Zhanjiang Oceantech Oil & Gas Engineering Co ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-02-20
Anticipated expiration: 2033-08-23

Abstract

The utility model discloses an offshore oil production blowout oil guiding and leakage controlling device which comprises a guide cover, wherein a connecting hose is fixedly connected to the top of the guide cover, a guide pipe is fixedly connected to the top of the connecting hose, an outer edge is arranged at the bottom of the outer side of the guide cover, a squeezing force detection mechanism is fixedly sleeved on the outer edge and used for detecting the squeezing force of blowout squeezing force, weighing sensors are fixedly connected to two sides of the top of the squeezing force detection mechanism, the weighing ends of the tops of the two weighing sensors are fixedly connected with the same supporting ring, an annular pipe is fixedly connected to the top of the supporting ring, and an annular cover plate is fixedly connected to the top of the annular pipe. According to the utility model, through a series of structural arrangements, the effect of oil guiding and leakage control of blowout can be realized, and when blowout pressure is high, the oil guiding and leakage control device can automatically weight in a water adding mode, so that the situation that oil guiding can not be blocked due to the fact that blowout pressure is higher than gravity can be effectively avoided, and the stability of oil guiding and blocking is improved.

Description

Oil guiding and leakage controlling device for offshore oil production blowout

Technical Field

The utility model relates to the technical field of oil-guiding and leakage-controlling equipment for offshore oil production blowout, in particular to an oil-guiding and leakage-controlling device for offshore oil production blowout.

Background

The offshore oil recovery is a new measure implemented by developing submarine oil resources in the world in recent years, because the offshore oil recovery environment condition is bad, blowout accidents and blowout leakage accidents are easy to occur under special conditions, not only can a large amount of oil resources be wasted, but also pollution is caused to the sea area and the living environment of human beings, the current world solutions for offshore oil recovery blowout are different, the atomic bomb explosion mode is claimed to seal the wellhead, so that on one hand, the fund consumption is too big, the radiation is quite serious, secondary pollution is caused, the implementation is not feasible, and on the other hand, the blowout is reduced through the submarine drilling decompression mode, although blowout pressure can be reduced, but the blowout pressure can not be well controlled, so that special equipment or device can be developed, and the method for conducting the capability of leaking oil and controlling the blowout leakage is an urgent problem to be solved in the current world offshore oil recovery, and the application number is: 201020252024.3A in the process of offshore oil recovery, dredge and control the oil leakage of oil recovery well blowout and leak control device of offshore oil recovery when the blowout accident happens, the device is realized by setting up the air guide sleeve, and seal the air guide sleeve and conduit through flange, connecting bolt and sealing gasket, when blowout accident happens, can put its bottom into sea and conical air guide sleeve of high weight level into the submarine accident well head through the crane on the vessel, in this way, can make the well head while being plugged by air guide sleeve, can promote the oil blowout to be continuously led out through conduit under the internal pressure, and shipment and carry away, thus avoid the waste of the petroleum resource, effectively control the worsening of blowout accident, reduce the pollution to the environment obviously, lighten influence and harm to human health and animal and plant growth;

the guide cover and the guide pipe are matched, so that the wellhead can be plugged by the guide cover and simultaneously guide out and ship the oil sprayed out of the wellhead, but the wellhead still has some defects;

because the weight of the guide cover is fixed, when the pressure of oil sprayed out from the wellhead is larger than the weight of the guide cover, the phenomenon that the guide cover is jacked up by the oil can occur, and further, the effective oil blocking and guiding effect can not be achieved, and the situation is integrated, so that the oil spraying and guiding leakage control device for the offshore oil production well is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an offshore oil production blowout oil guiding and leakage controlling device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an offshore oil recovery blowout leads oily accuse hourglass device, which comprises a guide cover, the top intercommunication of kuppe is fixed with coupling hose, coupling hose's top intercommunication is fixed with the pipe, the outside bottom of kuppe is equipped with outer edge, fixed cover is equipped with extrusion force detection mechanism on the outer edge, extrusion detection mechanism is used for detecting the extrusion force of blowout extrusion force, the equal fixedly connected with weighing sensor in top both sides of extrusion force detection mechanism, the same support ring of weighing sensor top weighing end fixedly connected with, the top fixedly connected with annular pipe of support ring, the top fixedly connected with annular cover plate of annular pipe, weighing sensor is used for weighing the sum of the gravity of support ring, annular pipe, annular cover plate and the inside water of annular pipe, support ring, annular pipe and annular cover plate all overlap to be established on the kuppe, the right side bottom intercommunication of annular pipe is fixed with the solenoid valve, the setting of solenoid valve, be used for supplying the inside water of annular pipe to discharge, the top left side intercommunication of annular cover plate is fixed with water supply mechanism, solenoid valve and two weighing sensor electric connection.

Preferably, the extrusion force detection mechanism comprises a connecting plate fixedly sleeved on the outer edge, the bottom of the connecting plate is flush with the bottom of the air guide sleeve, a movable ring sleeved on the air guide sleeve is arranged above the connecting plate, a plurality of L-shaped positioning rods are fixedly connected to the two sides of the top of the connecting plate, the movable ring is slidably sleeved on the L-shaped positioning rods, a plurality of mounting holes are formed in the top of the movable ring, a pressure sensor is mounted in the mounting holes, the top of the pressure sensor extends to the upper side of the movable ring, a spring is fixedly connected to the detection end of the bottom of the pressure sensor, the pressure sensor is used for detecting extrusion force of the spring, the detection principle is the existing technology, the description is omitted here, the bottom of the spring is fixedly connected with the top of the connecting plate, and two weighing sensors are respectively embedded and fixed on the two sides of the top of the movable ring.

Preferably, the water supply mechanism comprises a water tank, the right side fixedly connected with water pump of water tank, the extraction end of water pump extends to in the water tank, the drainage end intercommunication of water pump is fixed with soft water pipe, the bottom of soft water pipe extends to in the annular pipe, the fixed cover of annular apron is established on soft water pipe, the top fixedly connected with PLC controller of water pump, PLC controller and water pump, two weighing sensor, solenoid valve and a plurality of pressure sensor electric connection, extract the inside water of water tank through the water pump, the principle that the PLC controller controlled water pump, two weighing sensor, solenoid valve and a plurality of pressure sensor is current technique, do not explain here.

Preferably, the inner wall of the supporting ring, the inner wall of the annular pipe and the inner wall of the annular cover plate are not contacted with the outer side of the air guide sleeve.

Preferably, the kuppe is the counter weight material, fixedly connected with flange between the top of kuppe and the bottom of coupling hose, coupling hose passes through flange and kuppe intercommunication fixedly.

Preferably, a plurality of guide holes are formed in the top of the movable ring, and the inner walls of the guide holes are sleeved with the outer sides of the corresponding L-shaped positioning rods in a sliding manner.

Preferably, a water adding pipe is fixedly communicated with the left side of the top of the water tank, a plug cover is sleeved on the water adding pipe in a threaded manner, water is added into the water tank through the water adding pipe, and the vertical total length of the soft water pipe is set according to the distance between the seabed wellhead and the sea surface.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the cooperation of the guide cover, the connecting hose and the guide pipe, when blowout occurs, the whole device can be moved down to the wellhead of the seabed through a crane on the ship, the wellhead is plugged through the guide cover, the hose and the guide pipe are connected for conducting oil, and the blowout oil guiding and leakage controlling effect is achieved;

2. the weighing sensor, the annular pipe, the annular cover plate, the supporting ring, the extrusion force detection mechanism and the water supply mechanism are matched, so that when the blowout pressure is high, the weight can be automatically increased in a water adding mode, the situation that oil can not be blocked and guided due to the fact that the blowout pressure is higher than gravity can be effectively avoided, and the blocking and oil guiding stability is improved;

according to the utility model, through a series of structural arrangements, the effect of oil guiding and leakage control of blowout can be realized, and when blowout pressure is high, the oil guiding and leakage control device can automatically weight in a water adding mode, so that the situation that oil guiding can not be blocked due to the fact that blowout pressure is higher than gravity can be effectively avoided, and the stability of oil guiding and blocking is improved.

Drawings

FIG. 1 is a schematic diagram of a blowout oil guiding and leakage controlling device for offshore oil production;

FIG. 2 is an enlarged cross-sectional schematic view of portion A of FIG. 1;

fig. 3 is a schematic perspective view of an annular pipe of the oil-guiding and leakage-controlling device for offshore oil production blowout.

In the figure: 100. a guide cover; 101. a connecting hose; 102. an outer edge; 103. a conduit; 1. a water tank; 2. a water pump; 3. a flexible water pipe; 4. a PLC controller; 5. an electromagnetic valve; 6. an annular tube; 7. an annular cover plate; 8. a support ring; 9. a moving ring; 10. a weighing sensor; 11. a connecting plate; 12. an L-shaped positioning rod; 13. a mounting hole; 14. a pressure sensor; 15. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, the offshore oil production blowout oil guiding leakage control device comprises a guide cover 100, a connecting hose 101 is fixedly connected to the top of the guide cover 100, a guide pipe 103 is fixedly connected to the top of the connecting hose 101, wherein the guide cover 100 is made of a counterweight material, a flange is fixedly connected between the top of the guide cover 100 and the bottom of the connecting hose 101, the connecting hose 101 is fixedly connected with the guide cover 100 through the flange, an outer edge 102 is arranged at the bottom of the outer side of the guide cover 100, a squeezing force detection mechanism is fixedly sleeved on the outer edge 102, the squeezing force detection mechanism comprises a connecting plate 11 fixedly sleeved on the outer edge 102, a mounting hole for mounting the outer edge 102 is formed in the top of the connecting plate 11, the bottom of the connecting plate 11 is flush with the bottom of the guide cover 100, a moving ring 9 sleeved on the guide cover 100 is arranged above the connecting plate 11, the two sides of the top of the connecting plate 11 are fixedly connected with a plurality of L-shaped positioning rods 12, the movable ring 9 is sleeved on the plurality of L-shaped positioning rods 12 in a sliding manner, a plurality of guide holes are formed in the top of the movable ring 9, the inner walls of the guide holes are sleeved with the outer sides of the corresponding L-shaped positioning rods 12 in a sliding manner, the L-shaped positioning rods 12 have a vertical guiding effect on the connecting plate 11, a plurality of mounting holes 13 are formed in the top of the movable ring 9, a pressure sensor 14 is mounted in the mounting holes 13, the top of the pressure sensor 14 extends to the upper side of the movable ring 9, a spring 15 is fixedly connected to a detection end at the bottom of the pressure sensor 14, the pressure sensor 14 is used for detecting the extrusion force of the spring 15, the detection principle is the prior art, and the bottom end of the spring 15 is fixedly connected with the top of the connecting plate 11;

the two sides of the top of the movable ring 9 are embedded and fixed with weighing sensors 10, wherein the two sides of the top of the movable ring 9 are provided with embedded grooves for installing the weighing sensors 10, the weighing ends at the tops of the two weighing sensors 10 are fixedly connected with the same supporting ring 8, the top of the supporting ring 8 is fixedly connected with an annular pipe 6, the top of the annular pipe 6 is fixedly connected with an annular cover plate 7, the weighing sensors 10 are used for weighing the sum of the weight of water in the supporting ring 8, the annular pipe 6, the annular cover plate 7 and the annular pipe 6, the supporting ring 8, the annular pipe 6 and the annular cover plate 7 are sleeved on the guide cover 100, the inner wall of the supporting ring 8, the inner wall of the annular pipe 6 and the inner wall of the annular cover plate 7 are not contacted with the outer side of the guide cover 100, the bottom at the right side of the annular pipe 6 is fixedly connected with an electromagnetic valve 5, a first circular hole is formed in the inner wall at the right side of the annular pipe 6, the inner wall of the first circular hole is fixedly connected with the outer side of one end of the electromagnetic valve 5, and the electromagnetic valve 5 is arranged for discharging water in the annular pipe 6;

the water supply mechanism is fixedly connected to the left side of the top of the annular cover plate 7 and comprises a water tank 1, wherein a water adding pipe is fixedly connected to the left side of the top of the water tank 1, a blocking cover is sleeved on the water adding pipe in a threaded manner, water is added into the water tank 1 through the water adding pipe, a water pump 2 is fixedly connected to the right side of the water tank 1, the extraction end of the water pump 2 extends into the water tank 1, a soft water pipe 3 is fixedly connected to the drainage end of the water pump 2, the vertical total length of the soft water pipe 3 is set according to the distance between a seabed wellhead and the sea surface, the bottom end of the soft water pipe 3 extends into the annular pipe 6, the annular cover plate 7 is fixedly sleeved on the soft water pipe 3, a second circular hole for installing the soft water pipe 3 is formed in the left side of the top of the annular cover plate 7, the top fixedly connected with PLC controller 4 of water pump 2, PLC controller 4 and water pump 2, two weighing sensor 10, solenoid valve 5 and a plurality of pressure sensor 14 electric connection, extract the inside water of water tank 1 through water pump 2, the principle that PLC controller 4 controlled water pump 2, two weighing sensor 10, solenoid valve 5 and a plurality of pressure sensor 14 is prior art, the setting that does not explain here, the utility model through a series of structures, can realize the effect that blowout leads oil to control and leak, and can be when blowout pressure is great, through the automatic aggravation of mode of adding water, can effectually avoid leading the oily condition of oil because of blowout pressure is greater than gravity and can't block up, the oil stability is led in the shutoff.

Working principle: when the blowout phenomenon occurs, when the whole device is moved down to a wellhead of the seabed through a crane on a ship, the water tank 1, the water pump 2 and the guide pipe 103 are all positioned on the sea surface, the guide pipe 103 is communicated with an external petroleum collecting box, when the spraying pressure of the wellhead is small, the wellhead can be directly plugged by covering the wellhead with the guide cover 100, and meanwhile, petroleum sprayed from the wellhead is sequentially discharged into the external petroleum collecting box through the guide cover 100, the connecting hose 101 and the guide pipe 103, so that the blowout oil guiding and leakage controlling effect is realized;

when the injection pressure of a wellhead is greater than the gravity of the guide cover 100, the injected pressure extrudes the guide cover 100 to move upwards, the guide cover 100 drives the connecting plate 11 to move upwards, the connecting plate 11 drives the L-shaped positioning rods 12 to move upwards, the connecting plate 11 compresses the springs 15 at the same time, the springs 15 extrude the corresponding pressure sensors 14, when the pressure sensors 14 detect that the extrusion force reaches or is higher than a preset value, the pressure sensors 14 transmit signals to the PLC 4, the PLC 4 controls the water pump 2 to start, the water pump 2 extracts water in the water tank 1, the extracted water flows into the annular pipe 6 through the soft water pipe 3, the gravity of the water in the annular pipe 6 is increased, the annular pipe 6 sequentially passes through the supporting ring 8, the weighing sensor 10, the moving ring 9, the pressure sensors 14 and the springs 15 to generate downward extrusion force on the connecting plate 11, the guide cover 100 is pulled downwards, when the guide cover 100 and the connecting plate 11 move downwards to be in contact with the wellhead, the wellhead can carry out automatic gravity sensor 10 to the wellhead, and when the gravity sensor 10 detects the gravity inside the annular pipe 6 is in contact with the wellhead, the water pump 2 is closed, the automatic gravity sensor is prevented from being closed, and the water pump is prevented from being blocked by the automatic sealing the water pump 2, and the water pump is prevented from being blocked by the high in the pressure sensor is prevented from being in the pressure control of the water pump 2;

when the whole device is required to be moved out of the sea surface after use, the electromagnetic valve 5 can be controlled to be opened by the PLC 4, so that water in the annular pipe 6 is discharged through the electromagnetic valve 5, the gravity of the whole device is lightened, and the whole device is conveniently moved out of the sea surface subsequently;

the PLC controller 4, the weighing sensor 10, the pressure sensor 14, the water pump 2 and the electromagnetic valve 5 in the present utility model are all well known to those skilled in the art, and belong to conventional means or common knowledge, and those skilled in the art can perform any optional matching according to their needs or convenience, and in addition, the principle that the PLC controller 4 receives the extrusion force of the pressure sensor 14 to control the water pump 2 to be turned on, and receives the gravity of the weighing sensor 10 to control the water pump 2 to be turned off is known to those skilled in the art, and all the basic programming numerical control parameter control manners are all common to conventional means or common knowledge, and are not repeated herein.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an offshore oil recovery blowout leads oily accuse hourglass device, includes kuppe (100), the top intercommunication of kuppe (100) is fixed with coupling hose (101), and coupling hose (101)'s top intercommunication is fixed with pipe (103), a serial communication port, the outside bottom of kuppe (100) is equipped with outer limit (102), fixed cover is equipped with extrusion force detection mechanism on outer limit (102), equal fixedly connected with weighing sensor (10) in extrusion force detection mechanism's top both sides, the weighing end fixedly connected with same supporting ring (8) at two weighing sensor (10) tops, the top fixedly connected with annular pipe (6) of supporting ring (8), annular pipe (6) top fixedly connected with annular apron (7), supporting ring (8), annular pipe (6) and annular apron (7) all overlap and establish on kuppe (100), annular pipe (6) right side bottom intercommunication is fixed with solenoid valve (5), annular apron (7) top left side intercommunication is fixed with water supply mechanism, water supply mechanism and extrusion force detection mechanism, solenoid valve (5) and two weighing sensor (10) electric connection.

2. The offshore oil production blowout oil guide leakage control device according to claim 1, wherein the extrusion force detection mechanism comprises a connecting plate (11) fixedly sleeved on an outer edge (102), the bottom of the connecting plate (11) is flush with the bottom of the guide cover (100), a movable ring (9) sleeved on the guide cover (100) is arranged above the connecting plate (11), a plurality of L-shaped positioning rods (12) are fixedly connected to two sides of the top of the connecting plate (11), the movable ring (9) is slidably sleeved on the plurality of L-shaped positioning rods (12), a plurality of mounting holes (13) are formed in the top of the movable ring (9), a pressure sensor (14) is mounted in the mounting holes (13), the top of the pressure sensor (14) extends to the upper side of the movable ring (9), a spring (15) is fixedly connected to the detection end of the bottom of the pressure sensor (14), the bottom end of the spring (15) is fixedly connected with the top of the guide cover (11), and two weighing sensors (10) are respectively embedded and fixed on two sides of the top of the movable ring (9).

3. The offshore oil production blowout oil guide leakage control device according to claim 2, wherein the water supply mechanism comprises a water tank (1), a water pump (2) is fixedly connected to the right side of the water tank (1), the extraction end of the water pump (2) extends into the water tank (1), the drainage end of the water pump (2) is fixedly communicated with a soft water pipe (3), the bottom end of the soft water pipe (3) extends into an annular pipe (6), an annular cover plate (7) is fixedly sleeved on the soft water pipe (3), a PLC (programmable logic controller) is fixedly connected to the top of the water pump (2), and the PLC (4) is electrically connected with the water pump (2), two weighing sensors (10), an electromagnetic valve (5) and a plurality of pressure sensors (14).

4. The offshore oil production blowout oil guide leakage control device according to claim 1, wherein the inner wall of the support ring (8), the inner wall of the annular pipe (6) and the inner wall of the annular cover plate (7) are not in contact with the outer side of the guide cover (100).

5. The offshore oil production blowout oil guide leakage control device according to claim 1, wherein the guide cover (100) is made of a counterweight material, a flange is fixedly connected between the top of the guide cover (100) and the bottom end of the connecting hose (101), and the connecting hose (101) is fixedly communicated with the guide cover (100) through the flange.

6. The offshore oil production blowout oil guiding and leakage controlling device according to claim 2, wherein a plurality of guide holes are formed in the top of the movable ring (9), and the inner walls of the guide holes are slidably sleeved on the outer sides of the corresponding L-shaped positioning rods (12).

7. The offshore oil production blowout oil guiding and leakage controlling device according to claim 3, wherein a water adding pipe is fixedly connected to the left side of the top of the water tank (1), a plugging cover is sleeved on the water adding pipe in a threaded manner, and the vertical total length of the soft water pipe (3) is set according to the distance between the seabed wellhead and the sea surface.