CN219672596U - Screen pipe well completion expansion hanger - Google Patents
Screen pipe well completion expansion hanger Download PDFInfo
- Publication number
- CN219672596U CN219672596U CN202321326715.7U CN202321326715U CN219672596U CN 219672596 U CN219672596 U CN 219672596U CN 202321326715 U CN202321326715 U CN 202321326715U CN 219672596 U CN219672596 U CN 219672596U
- Authority
- CN
- China
- Prior art keywords
- hanger
- locking claw
- expansion
- ball seat
- nipple
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 210000000078 claw Anatomy 0.000 claims abstract description 38
- 210000002445 nipple Anatomy 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000002002 slurry Substances 0.000 claims description 6
- 230000001737 promoting effect Effects 0.000 claims description 2
- 238000010008 shearing Methods 0.000 abstract description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
Abstract
The utility model discloses a screen pipe well completion expansion hanger which comprises a hanger connector, a lifting nipple, an expansion pipe, a screen pipe, a ball seat, a sealing ball and a locking claw sleeve, wherein the expansion pipe is sleeved outside the lifting nipple, two ends of the hanger connector are respectively connected with the expansion pipe and the screen pipe in a threaded fit mode, the ball seat is positioned in the hanger connector, the ball seat is fixedly connected with the inner wall of the hanger connector through a shear member, the sealing ball is positioned in the ball seat, the locking claw sleeve is sleeved on the lifting nipple, and two ends of the locking claw sleeve are respectively clamped with the outer surfaces of the lifting nipple and the ball seat. The sealing ball is put into the ball seat, the hanging of the rear seat after expanding and sealing is completed, the pressurization is continued, the shearing force piece breaks under the action of pressure, at the moment, the ball seat can drive the locking claw sleeve to move downwards, so that the hanger joint can be completely sealed, the expansion cone moves downwards under the action of pressure, the expansion cone can resist the locking claw sleeve, the locking claw sleeve is prevented from being separated from the hanger joint, the bearing strength is effectively ensured, and the sealing performance and the hanging force are improved.
Description
Technical Field
The utility model relates to the technical field of oil well equipment, in particular to a screen pipe well completion expansion hanger.
Background
Currently, liner hangers are one of the requisite downhole tools in performing liner operations. The conventional liner hanger commonly comprises a micro-step type liner hanger, a slip type liner hanger and a double-acting type liner hanger, and the like, and the technical problems of liner hanger hanging are solved, but the well cementation quality at the liner hanger is difficult to ensure due to the larger outer diameter of the liner hanger, the sealing bearing strength at the hanger is not high, and the defects of insufficient hanging force and limited liner hanging quality exist.
Disclosure of Invention
The utility model aims to provide a screen pipe completion expansion hanger.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a screen pipe well completion expansion hanger, includes hanger joint, promotes nipple joint, expansion pipe and screen pipe, still includes ball seat, sealing ball and locking claw cover, the expansion pipe cover is established in the promotion nipple joint outside, hanger joint both ends threaded fit connects in expansion pipe and screen pipe respectively, the ball seat is located the hanger joint, through shear force spare fixed connection between ball seat and the hanger joint inner wall, the sealing ball is located the ball seat, locking claw cover is established on promoting the nipple joint, locking claw cover both ends respectively with promote nipple joint and ball seat surface block.
Preferably, a sliding cavity is formed between the lifting nipple and the expansion pipe, an expansion cone is sleeved on the surface of the lifting nipple, the expansion cone is positioned in the sliding cavity, a slurry hole communicated with the sliding cavity is formed in the surface of the lifting nipple, and the slurry hole is far away from the locking claw sleeve.
Preferably, a channel is arranged in the middle of the ball seat, a limiting ring groove is formed in the inner wall of the channel, and the sealing ball is clamped in the limiting sliding groove.
Preferably, the two ends of the inner wall of the locking claw sleeve are fixedly provided with convex claws, and the two ends of the locking claw sleeve are respectively clamped with the outer surfaces of the lifting nipple and the ball seat through the convex claws.
Preferably, the shear member is a shear pin.
Compared with the prior art, the utility model has the advantages that:
the sealing ball is put into the ball seat, the hanging of the rear seat after expanding and sealing is completed, the pressurization is continued, the shearing force piece breaks under the action of pressure, at the moment, the ball seat can drive the locking claw sleeve to move downwards, so that the hanger joint can be completely sealed, the expansion cone moves downwards under the action of pressure, the expansion cone can resist the locking claw sleeve, the locking claw sleeve is prevented from being separated from the hanger joint, the bearing strength is effectively ensured, and the sealing performance and the hanging force are improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a screen completion expansion hanger of the present utility model;
FIG. 2 is a cross-sectional view of a screen completion expansion hanger of the present utility model.
In the figure: 1 lifting nipple joint, 2 expansion pipes, 21 sliding cavities, 3 sieve tubes, 4 hanger joints, 41 shear cavities, 5 locking claw sleeves, 6 ball seats, 61 limit ring grooves, 7 sealing balls, 8 shear members and 9 expansion cones.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1 and 2, the utility model provides a screen pipe completion expansion hanger, which comprises a hanger joint 4, a lifting nipple 1, an expansion pipe 2, a screen pipe 3, a ball seat 6, a sealing ball 7 and a locking claw sleeve 5, wherein the expansion pipe 2 is sleeved outside the lifting nipple 1, two ends of the hanger joint 4 are respectively connected with the expansion pipe 2 and the screen pipe 3 in a threaded fit manner, the ball seat 6 is positioned in the hanger joint 4, the ball seat 6 is fixedly connected with the inner wall of the hanger joint 4 through a shear member 8, the sealing ball 7 is positioned in the ball seat 6, the locking claw sleeve 5 is sleeved on the lifting nipple 1, and two ends of the locking claw sleeve 5 are respectively clamped with the outer surfaces of the lifting nipple 1 and the ball seat 6.
In this embodiment, a sliding cavity 21 is formed between the lifting nipple 1 and the expansion pipe 2, an expansion cone 9 is sleeved on the surface of the lifting nipple 1, the expansion cone 9 is located in the sliding cavity 21, a slurry hole communicated with the sliding cavity 21 is formed in the surface of the lifting nipple 1, and the slurry hole is far away from the locking claw sleeve 5.
Further, in order to ensure stability and tightness of the sealing ball 7 in the ball seat 6, in this embodiment, a channel is provided in the middle of the ball seat 6, a limiting ring groove 61 is provided on the inner wall of the channel, and the sealing ball 7 is clamped in the limiting sliding groove 61.
In this embodiment, the both ends position of lock claw cover 5 inner wall all is fixed and is equipped with the claw, and lock claw cover 5 both ends are through claw and promote nipple joint 1 and ball seat 6 surface block respectively.
Further, in this embodiment, the shear member 8 is a shear pin, and the shear pin is a nail that may break when reaching a certain shear value in the prior art.
The specific operation steps are as follows: the sealing ball 7 is put into the ball seat 6, the hanging of the seat after the expansion seal is completed, the pressurization is continued, the shear member 8 breaks under the action of pressure, at the moment, the ball seat 6 can drive the locking claw sleeve 5 to move downwards, so that the hanger joint 4 can be completely sealed, the expansion cone 9 moves downwards under the action of pressure, the expansion cone 9 can resist the locking claw sleeve 5, and the locking claw sleeve 5 is prevented from being separated from the hanger joint 4.
Although the embodiments of the present utility model have been described with reference to the accompanying drawings, the patentees may make various modifications or alterations within the scope of the appended claims, and are intended to be within the scope of the utility model as described in the claims.
Claims (5)
1. The utility model provides a screen pipe completion expansion hanger, includes hanger joint, promotes nipple joint, expansion pipe and screen pipe, its characterized in that: still include ball seat, sealing ball and locking claw cover, the expansion pipe cover is established in the promotion nipple joint outside, hanger joint both ends are threaded fit connection in expansion pipe and screen pipe respectively, the ball seat is located the hanger and connects, through shear force spare fixed connection between ball seat and the hanger joint inner wall, the sealing ball is located the ball seat, locking claw cover is established on promoting the nipple joint, locking claw cover both ends respectively with promote nipple joint and ball seat surface block.
2. A screen well completion expansion hanger according to claim 1, wherein: and a sliding cavity is formed between the lifting nipple and the expansion pipe, an expansion cone is sleeved on the surface of the lifting nipple, the expansion cone is positioned in the sliding cavity, a slurry hole communicated with the sliding cavity is formed in the surface of the lifting nipple, and the slurry hole is far away from the locking claw sleeve.
3. A screen well completion expansion hanger according to claim 1, wherein: the ball seat middle part is equipped with the passageway, and spacing annular has been seted up to the passageway inner wall, the sealing ball block is in spacing spout.
4. A screen well completion expansion hanger according to claim 1, wherein: the locking claw sleeve is characterized in that protruding claws are fixedly arranged at two ends of the inner wall of the locking claw sleeve, and two ends of the locking claw sleeve are respectively clamped with the lifting nipple and the outer surface of the ball seat through the protruding claws.
5. A screen well completion expansion hanger according to claim 1, wherein: the shear member is a shear pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321326715.7U CN219672596U (en) | 2023-05-29 | 2023-05-29 | Screen pipe well completion expansion hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321326715.7U CN219672596U (en) | 2023-05-29 | 2023-05-29 | Screen pipe well completion expansion hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219672596U true CN219672596U (en) | 2023-09-12 |
Family
ID=87897992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321326715.7U Active CN219672596U (en) | 2023-05-29 | 2023-05-29 | Screen pipe well completion expansion hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219672596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117090527A (en) * | 2023-10-18 | 2023-11-21 | 河北上善石油机械有限公司 | Closed hydraulic tail pipe hanger |
-
2023
- 2023-05-29 CN CN202321326715.7U patent/CN219672596U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117090527A (en) * | 2023-10-18 | 2023-11-21 | 河北上善石油机械有限公司 | Closed hydraulic tail pipe hanger |
| CN117090527B (en) * | 2023-10-18 | 2023-12-15 | 河北上善石油机械有限公司 | Closed hydraulic tail pipe hanger |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |