CN219220362U

CN219220362U - Horizontal well quick drilling fixed-point plugging and extruding integrated tool

Info

Publication number: CN219220362U
Application number: CN202320361034.8U
Authority: CN
Inventors: 刘丰侨; 王天龙; 席宗福; 张鑫; 王宏民
Original assignee: Xi'an Science And Energy Equipment Co ltd
Current assignee: Xi'an Science And Energy Equipment Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-06-20
Anticipated expiration: 2033-03-02

Abstract

The utility model relates to a fixed-point plugging and extruding integrated tool for a horizontal well, which comprises a sleeve and a sliding sleeve, wherein a movable slip is sleeved at the top of the outer side of the sleeve in a sliding manner, a fixed slip is installed at the bottom of the outer side of the sleeve, the sliding sleeve is sleeved at the outer side of the sleeve in a sliding manner, the sliding sleeve is positioned between the movable slip and the fixed slip, a bag body is installed at the middle part of the outer side of the sliding sleeve, and an upper cone is installed at the outer side of the sliding sleeve and at the top of the bag body; the sliding plate is driven to move along the sliding groove through the expansion of the pneumatic cylinder on the mounting plate, the movable slips move outside the sleeve, the movable slips move downwards to act on the bag body, the bag body is extruded and expanded between the movable slips and the fixed slips, the bag body radially expands to be in contact with the inner wall of the channel, and the control of the radial expansion of the bag body is realized according to the downward moving distance of the movable slips, so that the blocking of horizontal wells with different specifications is completed.

Description

Horizontal well quick drilling fixed-point plugging and extruding integrated tool

Technical Field

The utility model relates to the technical field of underground plugging tools, in particular to a fixed-point plugging and squeeze-injection integrated tool for a horizontal well.

Background

The method is suitable for vertical wells, high-inclination wells or horizontal wells, and is used for cement squeezing or plugging agent operation of land or marine drilling equipment to plug and repair the inside of a casing channel.

The diameters of different horizontal wells are different, the plugging of the horizontal wells with different specifications cannot be realized by the existing tool, and meanwhile, the length of the extrusion pipe is fixed, so that the distance that the extrusion pipe moves in a channel is smaller in the plugging extrusion process.

Disclosure of Invention

The utility model solves the problems of providing a fixed-point plugging and extrusion integrated tool for the quick drilling of horizontal wells, solving the technical problems that the existing tools cannot realize the plugging of the horizontal wells with different specifications and the length of an extrusion pipe is fixed, so that the distance of the extrusion pipe moving in a channel is smaller in the plugging and extrusion process.

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

the horizontal well quick drilling fixed-point plugging and extruding integrated tool comprises a sleeve, a sliding sleeve, a movable slip, a fixed slip and a capsule body, wherein the movable slip is sleeved at the top of the outer side of the sleeve in a sliding manner, the fixed slip is installed at the bottom of the outer side of the sleeve, the sliding sleeve is sleeved at the outer side of the sleeve in a sliding manner and positioned between the movable slip and the fixed slip, the capsule body is installed at the middle part of the outer side of the sliding sleeve, an upper cone is installed at the outer side of the sliding sleeve and positioned at the top of the capsule body, a lower cone is installed at the outer side of the sliding sleeve and positioned at the bottom of the capsule body, and an extruding mechanism is installed inside the sleeve in a penetrating manner;

the sliding sleeve is characterized in that a plurality of sliding grooves are formed in the outer side of the top end of the sleeve, a plurality of mounting plates are mounted on the inner wall of the top end of the sleeve, a pneumatic cylinder is mounted on each mounting plate, a plurality of sliding plates are arranged on the inner wall of each movable slip, and the sliding plates penetrate through the sliding grooves and are connected with the telescopic ends of the pneumatic cylinders.

Preferably, the extruding and injecting mechanism comprises an extruding and injecting pipe and a movable pipe, wherein the movable pipe is slidably arranged on the outer side of the bottom end of the extruding and injecting pipe, a plug is arranged at the bottom end of the movable pipe, and the outer diameter of the plug is matched with the inner diameter of the bottom end of the sleeve.

Preferably, a slide valve is arranged in the squeezing pipe, and the top end of the squeezing pipe is connected with an external cement pump in a conducting way.

Preferably, a plurality of extrusion ports are arranged on the outer side of the bottom end of the movable pipe.

Preferably, a plurality of inner cavities are formed in the movable pipe, a piston is slidably mounted in each inner cavity and connected with the bottom end of the connecting rod, a ring plate is arranged on the outer side of the middle of the extrusion pipe, and the ring plate is connected with the top end of the connecting rod.

Preferably, a connecting nozzle communicated with the inner cavity is arranged at the top of the movable pipe, and the connecting nozzle is connected with an external air pump through an air pipe.

The beneficial effects of the utility model are as follows: the sliding plate is driven to move along the sliding groove through the expansion of the pneumatic cylinder on the mounting plate, the movable slips move outside the sleeve, the movable slips move downwards to act on the bag body, the bag body is extruded and expanded between the movable slips and the fixed slips, the bag body radially expands to be in contact with the inner wall of the channel, the control of the radial expansion of the bag body is realized according to the downwards moving distance of the movable slips, and the blocking of horizontal wells with different specifications is completed;

the air pump works to change the air pressure in the inner cavity, so that the piston is driven to move in the inner cavity, the connecting rod is driven to move, the movable pipe is driven to slide outside the extrusion pipe, the matching length of the extrusion mechanism is adjusted, the matching length of the extrusion mechanism is convenient to adjust timely according to the condition of actually plugging a channel, and the overall moving length of the extrusion mechanism is greatly increased.

Drawings

FIG. 1 is an overall cross-sectional view of the present utility model;

FIG. 2 is a partial cross-sectional view of an extrusion tube and a movable tube according to the present utility model;

fig. 3 is an enlarged view of a portion of the area a of fig. 1 in accordance with the present utility model.

Legend description:

1. a sleeve; 2. a sliding sleeve; 3. a movable slip; 4. fixing slips; 5. a bladder; 6. an upper cone; 7. a lower cone; 8. an extrusion mechanism; 9. extruding a tube; 10. a movable tube; 11. a slide valve; 12. an extrusion port; 13. a plug; 14. an inner cavity; 15. a piston; 16. a connecting rod; 17. a ring plate; 18. a connecting nozzle; 19. a chute; 20. a mounting plate; 21. a slide plate; 22. and a pneumatic cylinder.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Specific examples are given below.

Referring to fig. 1-3, the integrated tool for plugging and extruding a horizontal well at a fixed point comprises a sleeve 1, a sliding sleeve 2, a movable slip 3, a fixed slip 4 and a capsule body 5, wherein the movable slip 3 is sleeved at the top of the outer side of the sleeve 1 in a sliding manner, the fixed slip 4 is installed at the bottom of the outer side of the sleeve 1, the sliding sleeve 2 is sleeved at the outer side of the sleeve 1 in a sliding manner, the sliding sleeve 2 is positioned between the movable slip 3 and the fixed slip 4, the capsule body 5 is installed in the middle of the outer side of the sliding sleeve 2, an upper cone 6 is installed at the outer side of the sliding sleeve 2 and positioned at the top of the capsule body 5, a lower cone 7 is installed at the outer side of the sliding sleeve 2 and positioned at the bottom of the capsule body 5, and an extruding mechanism 8 is installed in the sleeve 1 in a penetrating manner;

the squeezing mechanism 8 comprises a squeezing tube 9 and a movable tube 10, the movable tube 10 is slidably arranged at the outer side of the bottom end of the squeezing tube 9, a plug 13 is arranged at the bottom end of the movable tube 10, the outer diameter of the plug 13 is matched with the inner diameter of the bottom end of the sleeve 1, a slide valve 11 is arranged in the squeezing tube 9, the top end of the squeezing tube 9 is connected with an external cement pump in a conducting manner, a plurality of squeezing ports 12 are formed at the outer side of the bottom end of the movable tube 10, the plug 13 moves upwards until the squeezing ports are sealed with the bottom end of the sleeve 1, and the sleeve 1 is in a sealed state at the moment;

a plurality of sliding grooves 19 are formed in the outer side of the top end of the sleeve 1, a plurality of mounting plates 20 are mounted on the inner wall of the top end of the sleeve 1, a pneumatic cylinder 22 is mounted on each mounting plate 20, a plurality of sliding plates 21 are arranged on the inner wall of the movable slip 3, and the sliding plates 21 penetrate through the sliding grooves 19 and are connected with the telescopic ends of the pneumatic cylinders 22.

The movable tube 10 is internally provided with a plurality of inner cavities 14, a piston 15 is slidably mounted in the inner cavities 14, the piston 15 is connected with the bottom end of a connecting rod 16, a ring plate 17 is arranged on the outer side of the middle of the extrusion tube 9, the ring plate 17 is connected with the top end of the connecting rod 16, the top of the movable tube 10 is provided with a connecting nozzle 18 communicated with the inner cavities 14, the connecting nozzle 18 is connected with an external air pump through an air pipe, air pressure change in the inner cavities 14 is realized through the air pump, the piston 15 is driven to move in the inner cavities 14, the connecting rod 16 is driven to move, the movable tube 10 is driven to slide on the outer side of the extrusion tube 9, and the matching length of the extrusion mechanism 8 is adjusted.

The tool is inserted into a plugging channel, the sliding plate 21 is driven to move along the sliding groove 19 through the expansion of the pneumatic cylinder 22 on the mounting plate 20, the movable slip 3 moves outside the sleeve 1, the movable slip 3 moves downwards to act on the bag body 5, the bag body 5 is extruded and expanded between the movable slip 3 and the fixed slip 4, the bag body 5 radially expands to be in contact with the inner wall of the channel, the radial expansion of the bag body 5 is controlled according to the downward moving distance of the movable slip 3, the plugging of horizontal wells with different specifications is completed, then the extruding mechanism 8 moves downwards, the plug 13 is separated from the bottom of the sleeve 1 to be conducted, the sliding valve 11 is opened, the cement pump conveys cement or plugging agent into the extruding pipe 9 and the movable pipe 10, the plugging is completed through the extruding and injecting channel through the extruding opening 12, wherein the air pressure change in the inner cavity 14 is realized through the operation of the air pump, the piston 15 is driven to move in the inner cavity 14, the connecting rod 16 is driven to move, the movable pipe 10 is driven to slide outside the extruding pipe 9, and the matching length of the extruding mechanism 8 is adjusted.

The sliding plate 21 is driven to move along the sliding groove 19 through the expansion of the pneumatic cylinder 22 on the mounting plate 20, the movable slips 3 move outside the sleeve 1, the movable slips 3 move downwards to act on the bag body 5, the bag body 5 is extruded and expanded between the movable slips 3 and the fixed slips 4, the bag body 5 radially expands to be in contact with the inner wall of a channel, the radial expansion of the bag body 5 is controlled according to the downward moving distance of the movable slips 3, and the blocking of horizontal wells with different specifications is completed;

the air pump works to change the air pressure in the inner cavity 14, so that the piston 15 is driven to move in the inner cavity 14, the connecting rod 16 is driven to move, the movable tube 10 is driven to slide outside the extrusion tube 9, the matching length of the extrusion mechanism 8 is adjusted, the matching length of the extrusion mechanism 8 is conveniently adjusted timely according to the condition of actually plugging a channel, and the overall moving length of the extrusion mechanism 8 is greatly increased.

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 horizontal well quick drilling fixed-point plugging and extruding integrated tool is characterized by comprising a sleeve (1) and a sliding sleeve (2), wherein a movable slip (3) is sleeved at the top of the outer side of the sleeve (1) in a sliding manner, a fixed slip (4) is installed at the bottom of the outer side of the sleeve (1), the sliding sleeve (2) is sleeved at the outer side of the sleeve (1) in a sliding manner, the sliding sleeve (2) is positioned between the movable slip (3) and the fixed slip (4), a capsule body (5) is installed at the middle part of the outer side of the sliding sleeve (2), an upper cone (6) is installed at the outer side of the sliding sleeve (2) and at the top of the capsule body (5), a lower cone (7) is installed at the outer side of the sliding sleeve (2) and at the bottom of the capsule body (5), and an extruding mechanism (8) is installed in the inner penetration of the sleeve (1).

The extrusion mechanism (8) comprises an extrusion pipe (9) and a movable pipe (10), wherein the movable pipe (10) is slidably arranged outside the bottom end of the extrusion pipe (9), a plug (13) is arranged at the bottom end of the movable pipe (10), and the outer diameter of the plug (13) is matched with the inner diameter of the bottom end of the sleeve (1);

a plurality of sliding grooves (19) are formed in the outer side of the top end of the sleeve (1), a plurality of mounting plates (20) are mounted on the inner wall of the top end of the sleeve (1), a pneumatic cylinder (22) is mounted on each mounting plate (20), a plurality of sliding plates (21) are arranged on the inner wall of each movable slip (3), and the sliding plates (21) penetrate through the sliding grooves (19) and are connected with the telescopic ends of the pneumatic cylinders (22).

2. The horizontal well quick drilling fixed-point plugging and squeezing integrated tool according to claim 1, wherein a slide valve (11) is installed in the squeezing pipe (9), and the top end of the squeezing pipe (9) is connected with an external cement pump in a conducting mode.

3. The integrated tool for plugging and extruding at fixed point of horizontal well drilling according to claim 1, wherein a plurality of extruding ports (12) are arranged on the outer side of the bottom end of the movable pipe (10).

4. The horizontal well quick drilling fixed-point plugging and extruding integrated tool according to claim 1, wherein a plurality of inner cavities (14) are formed in the movable pipe (10), a piston (15) is slidably installed in each inner cavity (14), the piston (15) is connected with the bottom end of the connecting rod (16), a ring plate (17) is arranged on the outer side of the middle of the extruding pipe (9), and the ring plate (17) is connected with the top end of the connecting rod (16).

5. The horizontal well quick drilling fixed point plugging and squeezing integrated tool according to claim 1, wherein a connecting nozzle (18) communicated with the inner cavity (14) is arranged at the top of the movable pipe (10), and the connecting nozzle (18) is connected with an external air pump through an air pipe.