CN113565452A

CN113565452A - A drilling slip with fast clamp function

Info

Publication number: CN113565452A
Application number: CN202110540849.8A
Authority: CN
Inventors: 王展鹏; 王钦峰
Original assignee: Jiangsu Rudong Lianfeng Petroleum Machinery Co ltd
Current assignee: Jiangsu Rudong Lianfeng Petroleum Machinery Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-10-29

Abstract

The invention discloses a drilling slip with quick clamp function, comprising a slip body, the slip body includes a left leaf and a right leaf, the right leaf is fixedly connected with the left leaf through a pin shaft, and the left leaf A pin assembly is fixedly arranged at both ends of the pin, and the pin assembly penetrates the reset mechanism and is sleeved and connected to the latch mechanism, and the latch mechanism is twisted and connected to the left leaf through the reset mechanism. It is characterized in that the left leaf and the right Each of the pages is provided with several flanges, and a step surface is hung between the left page and the right page, and the step surface is linked with the right page and the left page through a latch mechanism. The invention adopts the arrangement of flange holes, so that the slip body can be installed without lining, which effectively avoids the limitation of the slip body, and adjusts the clamping degree of the slip body in time through the step surface, which can effectively avoid the oil pipe or the like. The pipe string moves downhole and obtains oil and gas reservoirs smoothly, which effectively improves the progress of obtaining oil and gas reservoirs while reducing the difficulty of operating slips.

Description

Well drilling slips with quick clamp function

Technical Field

The invention belongs to the technical field of drilling, and particularly relates to a drilling slip with a quick clamping function.

Background

In the field of development and exploration of oil and gas fields, drilling operators typically access various pressure reservoirs using a drilling tool, however, the drilling tool grips and retrieves the reservoir from tubing or a similar string by slips. At present, the slips are fixed through the lining, and the lining space is limited, so the slips have limitations when in use, and the slips easily move upwards along with the rise of the pressure in a well in the clamping process, so the slips are extremely easy to damage, the blowout of an oil-gas well is caused, the life safety of constructors is seriously threatened, and huge economic loss is brought. The slips can quickly clamp an oil pipe or a similar pipe column by controlling the quick switch of the slips through the latch at the present stage so as to ensure the safety of the slips.

Through the retrieval, chinese granted patent CN205225106U, announcement date 2016, 05, 11 discloses a slip type oil pipe elevator, which proposes "in it includes main body left leaf and main body right leaf," the main body left leaf is articulated through a valve pin with the rear end of main body right leaf, the front end of main body left leaf is connected with the hasp through the hasp pin, the inboard of main body left leaf and main body right leaf is connected with the slip body through the slip connecting pin, be provided with the slip spring on the slip connecting pin, the lower extreme of slip connecting pin is connected through horizontal second split pin between main body left leaf and the main body right leaf, be provided with the dental lamina on the inside wall of slip body, "this prior art can't correct the wearing and tearing that the tile produced, and influence the degree of grip of slip, in addition, the structure is complicated, and the operation degree of difficulty is big, the lower problem of operating efficiency. For this reason, a new technical solution is needed to solve the above technical problems.

Disclosure of Invention

The invention aims to provide a drilling slip with a quick hoop function, and aims to solve the problems of large installation limitation, large operation difficulty and low operation efficiency of slips in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a well drilling slips with quick clamp function, includes the slips body, the slips body is including left page or leaf and right page or leaf, right page or leaf is through round pin axle and left page or leaf fixed connection, the fixed round pin subassembly that is provided with in both ends of left page or leaf, the round pin subassembly runs through canceling release mechanical system and is connected with the lock latch mechanism cover income formula, lock latch mechanism passes through canceling release mechanical system and is connected with left page or leaf wrench movement, a serial communication port, respectively be provided with a plurality of flange spare that is used for external fixed slips body on left page or leaf and the right page or leaf, articulate between left page or leaf and the right page or leaf and be provided with the step face that is used for revising slips body centre gripping elasticity, the step face passes through lock latch mechanism and right page or leaf and left page or leaf linkage setting.

The flange piece comprises flange holes, and the flange holes are uniformly distributed on the upper surface and the lower surface of the left page and the right page and are used for externally connecting equipment with the slip body. The step surface is divided into an upper step surface and a lower step surface, the upper step surface and the lower step surface are respectively hung and arranged between the upper plane and the lower plane of the left page and the right page, and the step surface and the lower step surface are used for correcting the clamping tightness of the slip body to clamp an oil pipe or a similar pipe column.

The round pin subassembly includes hand (hold) round pin and spring catch, the spring catch runs through big spring and hasp cover income formula and connects on left page or leaf both ends, big spring passes through spring catch and hasp elastic connection for control left page or leaf's fast switch, hand (hold) round pin runs through little spring and locking hand (hold) and hasp cover income formula and connects on one of right page or leaf, little spring passes through hand (hold) round pin and locking hand (hold) elastic connection for the switch of control hasp. The left page or leaf sets up through hasp and locking hand (hold) and right page or leaf cooperation for the quick switch slips body.

Compared with the prior art, the invention has the beneficial effects that:

1. the slip body can be independently externally connected with equipment by adopting the arrangement of the flange hole, the slip body can be installed without a lining, the limitation of the slip body is effectively avoided, the applicability of the slip body is improved, the latch mechanism and the reset mechanism are arranged on the left leaf in a matched mode through the pin component, the quick opening and closing of the left leaf can be effectively controlled, the slip body can quickly clamp or loosen an oil pipe or a similar pipe column under the quick opening and closing of the left leaf, the operation efficiency of the slip body is improved, the clamping degree of the slip body is timely adjusted through the step surface, the oil pipe or the similar pipe column can be effectively prevented from moving underground, the oil and gas reservoir can be stably obtained, the operation difficulty of the slip body is reduced, and the progress of obtaining the oil and gas reservoir is effectively improved.

2. The clamping device comprises a left page, a right page, a locking handle, a locking latch, a clamping head, a locking handle, a locking latch, a clamping shoe body, a clamping shoe and a clamping shoe body, wherein the locking handle is arranged on the left page, the locking latch is arranged on the locking shoe body, the clamping shoe body is arranged on the left page, the clamping shoe body is arranged on the right page, the clamping shoe body is arranged on the left page, the locking handle, the clamping shoe body is arranged on the locking latch, and the clamping shoe body is arranged on the left page.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic structural view of embodiment 3.

Wherein: 1. a left page; 2. a right page; 3. a step surface; 4. a lower step surface; 5. a pin shaft; 6. a spring pin; 7. a large spring; 8. a latch; 9. a spring catch pin; 10. a handle pin; 11. a small spring; 12. locking the handle; 13. and (4) flange holes.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1: (taking slips body collar clamp oil pipe or similar pipe column as an example)

Referring to fig. 1-2, a drilling slip with a fast clamp function comprises a left page 1, a right page 2, an upper step 3 and a lower step 4, wherein the left page 1 is fixedly connected with the right page 2 through a pin 5, the upper step 3 is hung between the upper planes of the left page 1 and the right page 2, the lower step 4 is hung between the lower planes of the left page 1 and the right page 2, then one end of a large spring 7 and a latch 8 are fixed between the upper end and the lower end of the left page 1 through a spring pin 6, a spring stop pin 9 is arranged beside the spring pin 6, the large spring 7 can be effectively prevented from popping out to damage the latch 8 and the left page 1, the other ends of the small spring 11, a locking handle 12 and the latch 8 are fixed at the lower end of the right page 2 through a handle pin 10, the upper end of the handle pin 10 is movably connected below the upper end of the right page 2 through the other end of the latch 8, so that the latch 8 can drive the left page 1 and the right page 2 to move, therefore, the opening of the slip body is realized, when the slip body needs to clamp an oil pipe or a similar pipe column, only the locking handle 12 needs to be pulled, at the moment, the locking handle 12 can drive the latch 8 to act under the elastic action of the small spring 11, so that the left leaf 1 is separated from the right leaf 2 along with the action of the latch 8, at the moment, the upper step surface 3 and the lower step surface 4 are separated from the left leaf 1 and the right leaf 2 and are loosened, then the oil pipe or the similar pipe column is directly clamped in the upper step surface 3 and the lower step surface 4, then the latch 8 is reset under the elastic action of the large spring 7, so that the left leaf 1 and the right leaf 2 are driven to be quickly closed, at the moment, the upper step surface 3 and the lower step surface 4 can quickly clamp the oil pipe and the similar pipe column under the quick closing of the left leaf 1 and the right leaf 2, the oil pipe or the similar pipe column can be effectively prevented from moving underground, the oil and gas reservoir can be stably obtained, the operation difficulty of the slip body is reduced, and the operation efficiency of the slip body is effectively improved, and then the progress of acquiring the oil and gas reservoir is effectively improved.

Example 2: (taking the slip body to release the tubing or similar string as an example)

Referring to fig. 1-2, a drilling slip with a quick collar clamp function comprises a left leaf 1, a right leaf 2, an upper face 3 and a lower face 4, wherein when the upper face 3 and the lower face 4 are used for collar clamping of a tubing string or the like, the left leaf 1 and the right leaf 2 are in a closed state, that is, a latch 8 is in a closed state under the action of a large spring 7 and a small spring 11, when the slip body 1 needs to be loosened to loosen the tubing string or the like after the oil and gas reservoir is obtained, the locking handle 12 needs to be pulled again, the locking handle 12 can force the left leaf 1 to be separated from the right leaf 2 along with the action of the latch 8 under the elastic action of the small spring 11, so that the upper face 3 and the lower face 4 can quickly loosen the tubing string or the like, then the latch 8 can be reset under the elastic action of the large spring 7, so that the left leaf 1 and the right leaf 2 are driven to be quickly closed, and the clamping degree of the left leaf 1 and the right leaf 2 can be quickly adjusted by the upper face 3 and the lower face 4, effectively prevented the wearing and tearing of left page or leaf 1 and right page or leaf 2, promoted the life of the slip body, improved the factor of safety and the operational capability of the slip body simultaneously again.

Example 3:

please refer to fig. 3, a well drilling slip with a fast clamp function comprises a left leaf 1, a right leaf 2 and flange holes 13, wherein the upper and lower surfaces of the left leaf 1 and the right leaf 2 are respectively provided with a plurality of flange holes 13, so that the slip body can be conveniently installed on a blowout preventer or a manifold flange without a lining, and the slip body can better cooperate with the blowout preventer or the manifold flange to prevent blowout of an oil and gas well, thereby effectively avoiding the limitation of the slip body and improving the applicability of the slip body.

Claims

1. The utility model provides a well drilling slips with quick clamp function, includes the slips body, the slips body is including left page or leaf and right page or leaf, right page or leaf is through round pin axle and left page or leaf fixed connection, the fixed round pin subassembly that is provided with in both ends of left page or leaf, the round pin subassembly runs through canceling release mechanical system and is connected with the lock latch mechanism cover income formula, lock latch mechanism passes through canceling release mechanical system and is connected with left page or leaf wrench movement, a serial communication port, respectively be provided with a plurality of flange spare on left page or leaf and the right page or leaf, articulate between left page or leaf and the right page or leaf and be provided with the step face, the step face passes through lock latch mechanism and right page or leaf and left page or leaf linkage setting.

2. The drilling slip with quick collar function as claimed in claim 1, wherein the flange member comprises flange holes uniformly distributed on both upper and lower surfaces of the left and right leaves.

3. The drilling slip with the quick collar function as claimed in claim 1, wherein the step surface is divided into an upper step surface and a lower step surface, and the upper step surface and the lower step surface are respectively hung and arranged between the upper plane and the lower plane of the left page and the right page.

4. The drilling slip with quick collar function as claimed in claim 1, wherein the pin assembly comprises a handle pin and a spring pin, the spring pin is sleeved on the two ends of the left leaf through the reset mechanism and the latch mechanism, and the handle pin is sleeved on one end of the right leaf through the reset mechanism and the latch mechanism.

5. The drilling slip with the quick clamp function as claimed in claim 1, wherein the reset mechanism comprises a large spring and a small spring, the small spring is sleeved on the handle pin, the small spring is elastically connected with the latch mechanism through the handle pin, the large spring is sleeved on the spring pin, and the large spring is elastically connected with the latch mechanism through the spring pin.

6. The drilling slip with quick collar function as claimed in claim 1, wherein the latch mechanism comprises a latch and a locking handle, the locking handle is matched with the latch through a small spring, and the latch is connected with the left leaf through a large spring in a twisting way.

7. The drilling slip with quick collar function as claimed in claim 1, wherein the left leaf is engaged with the right leaf by a latch and locking handle.