CN219275730U

CN219275730U - Deep sea christmas tree well Hot-stab hydraulic drawing tool

Info

Publication number: CN219275730U
Application number: CN202320867563.5U
Authority: CN
Inventors: 胡良尹
Original assignee: Shenzhen Tiger Offshore Oil Platform Equipment Co ltd
Current assignee: Shenzhen Tiger Offshore Oil Platform Equipment Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-06-30
Anticipated expiration: 2033-04-11

Abstract

The utility model discloses a hydraulic drawing tool for a deep sea Christmas tree well Hot-stab, which relates to the technical field of the drawing of the Christmas tree well Hot-stab, and specifically comprises a hydraulic cylinder and a sliding sleeve; the bottom end of the outer cylinder body of the hydraulic cylinder is provided with a positioning block, and the sliding sleeve is sleeved outside the outer cylinder body of the hydraulic cylinder in a sliding way; one side of the sliding sleeve is integrally formed with a hook. According to the utility model, the hydraulic telescopic mechanism is adopted to match with the hook integrally formed at the position of the T handle at the top end of the male head in the Hot-stab device in a sliding manner, then the positioning block arranged at the bottom of the hydraulic cylinder and used for abutting against the christmas tree panel is used for driving the sliding sleeve to move upwards through the extension of the hydraulic cylinder, so that opposite tension is generated between the hook and the fixed block, and reverse acting force is generated between the male head and the female head of the Hot-stab device, thereby effectively separating the male head from the female head in the Hot-stab device, and the whole separation operation process is simpler, and the underwater installation can be completely completed by adopting the deep sea operation robot.

Description

Deep sea christmas tree well Hot-stab hydraulic drawing tool

Technical Field

The utility model relates to the technical field of maintenance of energy collection equipment, in particular to a Hot-stab hydraulic drawing tool for a deep-sea Christmas tree well.

Background

The difficulty of submarine energy collection is far greater than that of implementation of energy collection on land, and the submarine energy collection is not only a factor that the complicated human beings in the submarine environment cannot stay for a long time, but also has higher corrosiveness to the built equipment due to the seawater.

At present, in submarine oil field exploitation, a submarine christmas tree is an indispensable wellhead control device facility, a double-hole Hot-stab on the submarine christmas tree is used as an ROV external tool, underwater injection and pressure application can be carried out, the submarine christmas tree is mainly used for underwater christmas tree operation, the ROV mechanical arm is usually operated to carry out pulling and inserting on a christmas tree well, the submarine oil field exploitation is an indispensable important intervention tool for future deep water operation in China, and as the Hot-stab device is corroded by sea water for a long time, a sealing part between a male head and a female head of the Hot-stab device is gradually aged and hardened, so that sea water is invaded in a sealing gap, corrosion or crystallization is easy to generate, the male head is difficult to be successfully pulled out from the female head by a mechanical arm of a deep sea robot of the later Hot-stab device, repeated attempts are often needed, time consumption and effort are needed, and the difficulty of pulling out the male head of the Hot-stab device is further improved due to the complexity of a submarine environment.

To this end, we have devised a tool for assisting subsea tree well bi-well Hot-stab in performing pullout disassembly.

Disclosure of Invention

Aiming at the problem that the underwater robot cannot smoothly and effectively disassemble the Hot-stab device corroded by seawater for a long time by a single manipulator in the background art, the utility model provides a Hot-stab hydraulic drawing tool for a deep-sea christmas tree well.

The utility model discloses a deep sea Christmas tree well Hot-stab hydraulic drawing tool, which comprises a hydraulic cylinder and a sliding sleeve; the bottom end of the outer cylinder body of the hydraulic cylinder is provided with a positioning block, the sliding sleeve is sleeved on the outer side of the outer cylinder body of the hydraulic cylinder in a sliding manner, the top end of the sliding sleeve is fixedly provided with a connecting arm, and the top end of the connecting arm is provided with a handle which is convenient for the mechanical arm of the submarine robot to grasp through a connecting assembly;

a threaded column is fixed at the top end of the telescopic column of the hydraulic cylinder, penetrates through the sliding sleeve and is provided with a nut in a threaded manner; one side of the sliding sleeve is integrally formed with a hook.

Furthermore, the locating block is of a U-shaped structure design, the bottom of the locating block is attached to the top of the Christmas tree panel, and the locating block is clamped on the outer side of the Hot-stab device on the Christmas tree panel through a bayonet formed by the U-shaped structure.

Further, the Hot-stab device comprises a female head and a male head, the female head is fixed on the Christmas tree panel, the male head is inserted into the female head, the male head is positioned at the top of the Christmas tree panel, a T handle is integrally formed at the top of the male head, the hook and the positioning block are arranged on the same side, a gap is formed in the middle of the hook, and a handle rod of the T handle is clamped in the gap of the hook to enable the T handle to be clamped on the hook.

Further, the outer cylinder body of the hydraulic cylinder adopts a square column structural design, and the inner side structure of the sliding sleeve is matched with the outer cylinder body structure of the hydraulic cylinder.

Further, a strip-shaped slot is vertically formed in the back of the sliding sleeve, and the position of the slot corresponds to the position of an oil pipe connecting port of the hydraulic cylinder.

Further, the connecting assembly comprises a connector and an adapter sleeve, the bottom end of the connector is fixedly arranged with the connecting arm, the adapter sleeve is buckled on the connector and is fixed through a bolt, the bottom end of the handle penetrates through the adapter sleeve and then is inserted into an integrally formed jack in the middle of the connector and is fixed through a pin shaft, and the whole adapter sleeve is made of rubber.

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

according to the utility model, the hydraulic telescopic mechanism is adopted to match with the hook integrally formed at the position of the T handle at the top end of the male head in the Hot-stab device in a sliding manner, then the positioning block arranged at the bottom of the hydraulic cylinder and used for abutting against the christmas tree panel is used for driving the sliding sleeve to move upwards through the extension of the hydraulic cylinder, so that opposite tension is generated between the hook and the fixed block, and reverse acting force is generated between the male head and the female head of the Hot-stab device, thereby effectively separating the male head from the female head in the Hot-stab device, and the whole separation operation process is simpler, and the underwater related operation can be completely completed by adopting the deep sea operation robot.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a second schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic exploded view of the present utility model.

In the figure: 1. a hydraulic cylinder; 2. a sliding sleeve; 3. a positioning block; 4. a hook; 5. slotting; 6. a christmas tree panel; 7. a Hot-stab device; 701. a female head; 702. a male; 703. t handles; 8. a nut; 9. a connecting arm; 10. a connector; 11. an adapter sleeve; 12. a handle.

Detailed Description

In marine energy collection operation, the double-hole Hot-stab device 7 of the deep-sea christmas tree well is easy to age and harden due to long-time soaking in seawater, and impurities are generated in the double-hole Hot-stab device 7 of the deep-sea christmas tree well due to long-time invasion of the sealing gap by the seawater, so that the problem that the deep-sea robot cannot smoothly pull out the male head 702 of the Hot-stab device 7 by the clamping force of a mechanical arm and the reverse thrust of the robot in water often occurs when the double-hole Hot-stab device 7 of the deep-sea christmas tree well is in pulling-out operation, in order to solve the problem that the male head 702 of the Hot-stab device 7 cannot be separated from the female head 701 due to seawater erosion, the deep-sea robot can effectively complete the pulling-out work of the male head 702 of the Hot-stab, the simple and effective hydraulic pulling tool of the deep-sea christmas tree well is designed to be matched with the deep-sea robot to complete related operation, and the scheme is as follows:

examples:

referring to fig. 1-3, the utility model discloses a deep sea christmas tree well Hot-stab hydraulic drawing tool, which comprises a hydraulic cylinder 1 and a sliding sleeve 2; the locating piece 3 is installed to the outer cylinder bottom of pneumatic cylinder 1, and sliding sleeve 2 slip cap is outside the outer cylinder of pneumatic cylinder 1, and the top of sliding sleeve 2 is fixed with linking arm 9, and the handle 12 that makes things convenient for seabed robot arm to grasp is installed through coupling assembling to the top of linking arm 9.

In order to smoothly drive the sliding sleeve 2 to move up and down when the hydraulic cylinder 1 stretches out and draws back, the male head 702 of the Hot-stab device 7 is applied with an outward drawing tension by matching with the design of a fixed block, for this purpose, a threaded column is fixed at the top end of the telescopic column of the hydraulic cylinder 1, and the threaded column penetrates through the sliding sleeve 2 and is provided with a nut 8 in a threaded manner; the connecting assembly comprises a connector 10 and an adapter sleeve 11, wherein the bottom end of the connector 10 is fixedly arranged with a connecting arm 9, the adapter sleeve 11 is buckled on the connector 10 and fixed through a bolt, the bottom end of a handle 12 penetrates through the adapter sleeve 11 and then is inserted into an integrally formed jack in the middle of the connector 10 and fixed through a pin shaft, and the whole adapter sleeve 11 is made of rubber.

In order to facilitate the application of force to the male head 702 of the Hot-stab device 7, a hook 4 is integrally formed on one side of the sliding sleeve 2; in order to position the hydraulic cylinder 1, the positioning block 3 is designed into a U-shaped structure, in use, the bottom of the positioning block 3 and the top of the Christmas tree panel 6 are stuck together, and the positioning block 3 is clamped outside the Hot-stab device 7 on the Christmas tree panel 6 through a bayonet formed by the U-shaped structure.

In this embodiment, the Hot-stab device 7 is composed of a female head 701 and a male head 702, the female head 701 is fixed on the christmas tree panel 6, the male head 702 is inserted into the female head 701, the male head 702 is located at the top of the christmas tree panel 6, a T handle 703 is integrally formed at the top of the male head 702, a hook 4 and a positioning block 3 are arranged on the same side, a gap is formed in the middle of the hook 4, and a handle bar of the T handle 703 is clamped in the gap of the hook 4 so that the T handle 703 can be clamped on the hook 4.

In this embodiment, in order to make the positions of the hook 4 and the positioning block 3 maintain a relatively stable angle and a relatively stable state all the time in the repeated up-down expansion process of the hydraulic cylinder 1, the outer cylinder body of the hydraulic cylinder 1 is designed in a square column structure, and the inner side structure of the sliding sleeve 2 is adapted to the outer cylinder body structure of the hydraulic cylinder 1.

In this embodiment, in order to make the sliding sleeve 2 follow the telescopic column of the hydraulic cylinder 1 to form no interference with two oil port terminals of the hydraulic cylinder 1 in the repeated telescopic sliding, a strip-shaped slot 5 is vertically formed on the back of the sliding sleeve 2, the position of the slot 5 corresponds to the position of an oil pipe connecting port of the hydraulic cylinder 1, and when the sliding sleeve 2 moves up and down, the slot 5 thereon can provide a moving space for the oil pipe connecting port, so as to avoid the oil pipe connecting port from obstructing the movement of the sliding sleeve 2.

When the device is used, the deep sea robot grips the handle 12 of the device through machinery, the device takes the positioning block 3 as the center, the positioning block 3 is clamped on the male head 702 of the Hot-stab device 7 to finish preliminary positioning, then the device is righted, the hook 4 is hung with the T handle 703 in the Hot-stab device 7 to finish final installation, finally, the hydraulic cylinder 1 is started, the hydraulic cylinder 1 is enabled to extend, the hook 4 ascends along with the sliding sleeve 2, reverse tension support is generated between the hook 4 and the positioning block 3, and the male head 702 of the Hot-stab device 7 is dismounted by means of continuous extension of the hydraulic cylinder 1.

The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principle of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. The utility model provides a deep sea christmas tree well Hot-stab hydraulic drawing instrument which characterized in that: comprises a hydraulic cylinder (1) and a sliding sleeve (2); the hydraulic cylinder is characterized in that a positioning block (3) is arranged at the bottom end of an outer cylinder body of the hydraulic cylinder (1), the sliding sleeve (2) is sleeved on the outer side of the outer cylinder body of the hydraulic cylinder (1) in a sliding mode, a connecting arm (9) is fixed at the top end of the sliding sleeve (2), and a handle (12) convenient for grabbing a mechanical arm of a submarine robot is arranged at the top end of the connecting arm (9) through a connecting assembly; a threaded column is fixed at the top end of the telescopic column of the hydraulic cylinder (1), penetrates through the sliding sleeve (2) and is provided with a nut (8) in a threaded manner; one side of the sliding sleeve (2) is integrally formed with a hook (4).

2. The deep sea tree well Hot-stab hydraulic pullout tool of claim 1, wherein: the positioning block (3) is of a U-shaped structural design, the bottom of the positioning block (3) is attached to the top of the Christmas tree panel (6), and the positioning block (3) is clamped on the outer side of the Hot-stab device (7) on the Christmas tree panel (6) through a bayonet formed by the U-shaped structure.

3. A deep sea tree well Hot-stab hydraulic pullout tool as claimed in claim 2, wherein: the Hot-stab device (7) is composed of a female head (701) and a male head (702), the female head (701) is fixed on a christmas tree panel (6), the male head (702) is inserted into the female head (701), the male head (702) is located at the top of the christmas tree panel (6), a T handle (703) is integrally formed at the top of the male head (702), the hook (4) and the positioning block (3) are arranged on the same side, a notch is formed in the middle of the hook (4), and a handle bar of the T handle (703) is clamped in the notch of the hook (4) so that the T handle (703) can be clamped on the hook (4).

4. The deep sea tree well Hot-stab hydraulic pullout tool of claim 1, wherein: the outer cylinder body of the hydraulic cylinder (1) adopts a square column structural design, and the inner side structure of the sliding sleeve (2) is matched with the outer cylinder body structure of the hydraulic cylinder (1).

5. The deep sea tree well Hot-stab hydraulic pullout tool of claim 1, wherein: the back of the sliding sleeve (2) is vertically provided with a strip-shaped slot (5), and the position of the slot (5) corresponds to the position of an oil pipe connecting port of the hydraulic cylinder (1).

6. The deep sea tree well Hot-stab hydraulic pullout tool of claim 1, wherein: the connecting assembly comprises a connector (10) and an adapter sleeve (1), wherein the bottom end of the connector (10) is fixedly arranged with a connecting arm (9), the adapter sleeve (11) is buckled on the connector (10) and is fixed through a bolt, the bottom end of a handle (12) passes through the adapter sleeve (11) and is inserted into an integrally formed jack in the middle of the connector (10) and is fixed through a pin shaft, and the adapter sleeve (11) is integrally formed by rubber.