CN110454113B - WSR sand control packer easy to fix - Google Patents
WSR sand control packer easy to fix Download PDFInfo
- Publication number
- CN110454113B CN110454113B CN201910804086.6A CN201910804086A CN110454113B CN 110454113 B CN110454113 B CN 110454113B CN 201910804086 A CN201910804086 A CN 201910804086A CN 110454113 B CN110454113 B CN 110454113B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- rubber
- dabber
- cylinder
- wsr
- 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.)
- Active
Links
- 239000004576 sand Substances 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims 1
- 241000191291 Abies alba Species 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012856 packing Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/126—Packers; Plugs with fluid-pressure-operated elastic cup or skirt
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/127—Packers; Plugs with inflatable sleeve
- E21B33/1277—Packers; Plugs with inflatable sleeve characterised by the construction or fixation of the sleeve
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an easy-to-fix WSR sand control packer, which comprises an upper mandrel and a shear pin, wherein an upper joint is arranged at one end of the upper mandrel, an O-shaped ring A is arranged at the joint of one end of the upper mandrel and the upper joint, a slotted long cylindrical end screw is arranged at one side of the upper joint, the upper joint is connected with the upper mandrel through the slotted long cylindrical end screw, a rubber barrel is arranged at the outer side of the upper mandrel, the rubber barrel is connected with the upper joint through the slotted long cylindrical end screw, a sliding short joint is arranged at the other end of the rubber barrel, and a pre-tightening spring is arranged at one end of the sliding short joint; the invention does not need to disassemble and assemble the wellhead christmas tree, is more convenient when the wellhead christmas tree is directly put into the well for installation, and ensures that the setting is simple and reliable through hydraulic setting, and the wellhead is directly lifted only by lifting when the wellhead christmas tree is disassembled.
Description
Technical Field
The invention belongs to the technical field of packers, and particularly relates to a WSR sand control packer easy to fix.
Background
The WSR sand control packer is one kind of packer used in electric pump well completion string to prevent the layer sand from affecting the electric pump. The conventional electric pump well completion pipe column generally uses a double-packing-cup packer to prevent sand, but the packing-cup packer has larger outer diameter and cannot directly pass through a wellhead christmas tree, so that the wellhead christmas tree needs to be disassembled and assembled when the pipe column is lowered in the field, and the operation mode has the problem of great potential safety hazard.
Disclosure of Invention
The invention aims to provide a WSR sand control packer easy to fix, which solves the problem that the wellhead christmas tree is required to be disassembled and assembled when a tubular column is run in the field because the outer diameter of the packing cup packer is larger and the packing cup packer cannot directly pass through the wellhead christmas tree in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an easy fixed WSR sand control packer, includes dabber and shear pin, the one end of dabber is provided with the top connection, the junction of the one end of dabber and top connection is provided with O type circle A, one side of top connection is provided with fluting long cylinder end screw, the top connection passes through fluting long cylinder end screw connection with the dabber, the outside of dabber is provided with the packing element, the packing element passes through fluting long cylinder end screw connection with the top connection, the other end of packing element is provided with the slip short circuit, the one end of slip short circuit is provided with the pretension spring, the one end of pretension spring is provided with the adjusting sleeve, the one end of adjusting sleeve is provided with down the dabber, the other end of dabber fixed mounting is provided with the other end at the dabber, the one end outside of dabber is provided with the piston urceolus down, the junction of piston urceolus and lower dabber is provided with O type circle B, the piston urceolus passes through the shear pin connection, the outside of piston urceolus is provided with the packing sleeve sheath, the other end of piston urceolus is provided with fixed seal sleeve, the one end of seal sleeve is provided with the ball joint, the ball joint is provided with the ball joint down, the end is provided with the ball joint down.
Preferably, two ends of the pre-tightening spring are respectively connected with the sliding short circuit and the adjusting sleeve, and the pre-tightening spring is axially installed.
Preferably, the rubber cylinder is of a double-layer structure, two layers of rubber cylinders are fixedly connected, and an inner layer at one end of the rubber cylinder is fixedly connected with the upper joint.
Preferably, the inner diameter of the upper mandrel is the same as the inner diameter of the lower mandrel.
Preferably, one end of the rubber sleeve is sleeved on the piston outer cylinder, the other end of the rubber sleeve is sleeved on the middle section of the rubber sleeve, and the rubber sleeve slides to one end of the rubber sleeve in a working state.
Preferably, one end of the ball seat is provided with a clamping seat, and the steel ball is clamped on the clamping seat.
Preferably, a formed steel skeleton is arranged in the rubber cylinder.
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention does not need to disassemble the wellhead christmas tree when in use, is more convenient when being directly put into the well for installation, and ensures that the setting is simple and reliable through hydraulic setting, and the wellhead is directly lifted only by lifting when in disassembly;
(2) The axial pre-tightening spring is added, so that the elastic loss of the rubber cylinder framework after long-time working can be compensated.
Drawings
FIG. 1 is a schematic view of the structure of the present invention in an initial state of assembly into a well;
FIG. 2 is a schematic view of the working state structure of the present invention;
FIG. 3 is a schematic view of an axial preload spring mounting configuration of the present invention;
in the figure: 1. an upper joint; 2. a rubber cylinder; 3. an upper mandrel; 4. a rubber sleeve jacket; 5. sliding short circuit; 6. a pre-tightening spring; 7. an adjusting sleeve; 8. a piston outer cylinder; 9. a lower core shaft; 10. fixing a sealing sleeve; 11. a stop pin; 12. a blocking sleeve; 13. a ball seat; 14. a compression nut; 15. a compression spring; 16. shearing pins; 17. a steel ball; 18. slotted long cylindrical end screws; 19. an O-shaped ring A; 20. an O-shaped ring B; 21. an O-shaped ring C; 22. o-ring D.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an easy fixed WSR sand control packer, including last dabber 3 and shear pin 16, the one end of going up dabber 3 is provided with top connection 1, the junction of one end of going up dabber 3 and top connection 1 is provided with O type circle A19, one side of top connection 1 is provided with fluting long cylinder end screw 18, top connection 1 passes through fluting long cylinder end screw 18 with last dabber 3 and is connected, the outside of going up dabber 3 is provided with the packing element 2, the packing element 2 passes through fluting long cylinder end screw 18 with top connection 1 and is connected, the other end of packing element 2 is provided with the slip short circuit 5, the one end of slip short circuit 5 is provided with pretension spring 6, the one end of pretension spring 6 is provided with adjusting sleeve 7, the one end of adjusting sleeve 7 is provided with down dabber 9, the other end of lower dabber 9 fixed mounting is provided with the other end at last dabber 3, the one end outside of lower dabber 9 is provided with piston urceolus 8, the junction of piston urceolus 8 and lower dabber 9 is provided with O type circle B20, piston 8 and the one end of lower dabber 9 passes through shear pin 16 and is connected, the outside of piston urceolus 8 is provided with packing sleeve 4, the other end of piston urceolus 8 is provided with seal sleeve 10 and is provided with seal sleeve 10, the seal sleeve 10 is provided with seal cap 10, the one end of the ball 13 is provided with the ball 13 through the end of pressing sleeve is provided with 13, the ball 13 is provided with the ball 13, the end of pressing sleeve is provided with the ball 13, the end of setting sleeve 13 is provided with the end of the dabber is provided with 13.
In this embodiment, preferably, two ends of the pre-tightening spring 6 are respectively connected with the sliding short circuit 5 and the adjusting sleeve 7, and the pre-tightening spring 6 is axially installed, so that elastic loss of the framework of the rubber cylinder 2 after long-time working can be compensated by elastic force of the pre-tightening spring 6.
In this embodiment, preferably, the rubber cylinder 2 has a double-layer structure, and is fixedly connected with two layers, and an inner layer at one end of the rubber cylinder 2 is fixedly connected with the upper joint 1, so that the use effect of the rubber cylinder 2 is better.
In this embodiment, the inner diameter of the upper mandrel 3 is preferably the same as the inner diameter of the lower mandrel 9, so that the use effect of the upper mandrel 3 and the lower mandrel 9 is better.
In this embodiment, preferably, one end of the rubber sleeve 4 is sleeved on the piston outer cylinder 8, the other end is sleeved on the middle section of the rubber sleeve 2, and the rubber sleeve 4 slides to one end of the rubber sleeve 2 in a working state, so that the rubber sleeve 4 has a better use effect.
In this embodiment, preferably, one end of the ball seat 13 is provided with a locking seat, and the steel ball 17 is locked on the locking seat, so that the steel ball 17 is convenient to use.
In this embodiment, preferably, the inside of the rubber cylinder 2 is provided with a molded steel skeleton, and the rubber cylinder 2 has better elasticity.
The working principle and the using flow of the invention are as follows: after the invention is installed, firstly, the installation and fixation and safety protection of the invention are checked, then the invention can be used, after the pipe column below the packer is connected with the packer, an oil pipe is connected to the upper joint 1 of the packer, after the packer is lowered and passes through a wellhead christmas tree, the upper joint 1 at the upper end of the oil pipe is put into a steel ball 17, after the upper joint 1 is put into a ball seat 13, the pipe connection line is hydraulically operated until the ball seat is knocked out, after the pressure drop is 0, the rubber cylinder 2 is opened, then the oil pipe above the packer is disassembled, the pipe column above the packer is connected according to the requirement of the designed pipe column, the pipe column is slowly lowered to a preset position, and the elastic loss of the framework of the rubber cylinder 2 due to long-time work can be compensated by axially pre-tightening a spring, thus the invention has simple structure and is safe and convenient to use.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an easily fixable WSR sand control packer, includes dabber (3) and shear pin (16), its characterized in that: the utility model discloses a shear device, including upper spindle (3), lower spindle (9), piston outer tube (8) are arranged on the outer side of one end of upper spindle (3), rubber tube (2) are connected with upper spindle (1) through slotted long cylinder end screw (18), the other end of rubber tube (2) is provided with sliding short circuit (5), one end of sliding short circuit (5) is provided with pretension spring (6), one end of pretension spring (6) is provided with adjusting sleeve (7), one end of adjusting sleeve (7) is provided with down dabber (9), lower dabber (9) is fixedly installed on the other end of upper spindle (3), the outer side of one end of lower dabber (9) is provided with piston outer tube (8), piston outer tube (8) are connected with upper spindle (1) through slotted long cylinder end screw (18), the other end of rubber tube (2) is provided with sliding short circuit (5), one end of sliding short circuit (5) is provided with pretension spring (6), one end of pretension spring (6) is provided with adjusting sleeve (7), one end of adjusting sleeve (7) is provided with down dabber (9), one end of lower dabber (9) is fixedly installed on the other end of upper spindle (3), the outer side of lower spindle (9) is provided with piston outer tube (8), the novel piston outer cylinder is characterized in that a fixed sealing sleeve (10) is arranged at the other end of the piston outer cylinder (8), an O-shaped ring C (21) is arranged at the joint of one end of the fixed sealing sleeve (10) and a lower mandrel (9), a stop pin (11) is arranged at the other end of the fixed sealing sleeve (10), a compression spring (15) is arranged at one end of the stop pin (11), a compression nut (14) is arranged at one end of the compression spring (15), a stop sleeve (12) is arranged at the outer side of the other end of the lower mandrel (9), the stop sleeve (12) is connected with the lower mandrel (9) through a shear pin (16), O-shaped rings D (22) are arranged at two sides of the shear pin (16), a ball seat (13) is arranged on the inner wall of the other end of the lower mandrel (9), and a steel ball (17) is arranged at one end of the ball seat (13);
the two ends of the pre-tightening spring (6) are respectively connected with the sliding short circuit (5) and the adjusting sleeve (7), and the pre-tightening spring (6) is axially arranged;
the rubber cylinder (2) is of a double-layer structure, the two layers are fixedly connected, and an inner layer at one end of the rubber cylinder (2) is fixedly connected with the upper joint (1); one end of the rubber sleeve (4) is sleeved on the piston outer cylinder (8), the other end of the rubber sleeve is sleeved on the middle section of the rubber sleeve (2), and the rubber sleeve (4) slides to one end of the rubber sleeve (2) in a working state.
2. The easily fixable WSR sand control packer of claim 1, wherein: the inner diameter of the upper mandrel (3) is the same as the inner diameter of the lower mandrel (9).
3. The easily fixable WSR sand control packer of claim 1, wherein: one end of the ball seat (13) is provided with a clamping seat, and the steel ball (17) is clamped on the clamping seat.
4. The easily fixable WSR sand control packer of claim 1, wherein: the inside of the rubber cylinder (2) is provided with a molding steel skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910804086.6A CN110454113B (en) | 2019-08-28 | 2019-08-28 | WSR sand control packer easy to fix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910804086.6A CN110454113B (en) | 2019-08-28 | 2019-08-28 | WSR sand control packer easy to fix |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110454113A CN110454113A (en) | 2019-11-15 |
| CN110454113B true CN110454113B (en) | 2024-03-22 |
Family
ID=68489662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910804086.6A Active CN110454113B (en) | 2019-08-28 | 2019-08-28 | WSR sand control packer easy to fix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110454113B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2250351C2 (en) * | 2002-12-18 | 2005-04-20 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Self-detaching bidirectional action packer with electromechanical drive |
| CN201771468U (en) * | 2010-09-13 | 2011-03-23 | 禹栽星 | Packer using perforation and testing combined technology |
| CN105696965A (en) * | 2016-04-20 | 2016-06-22 | 中国石油集团西部钻探工程有限公司 | Electric packer |
| CN106351602A (en) * | 2016-10-27 | 2017-01-25 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Expanding type differential pressure opening type fine leakage finding and leakage checking packer |
| CN206280039U (en) * | 2016-12-26 | 2017-06-27 | 山东博赛特石油技术有限公司 | Long packing element type anti-creep inflatable packer |
| CN108825166A (en) * | 2018-05-30 | 2018-11-16 | 宝鸡瑞林石油机电设备有限责任公司 | A kind of novel water injection packer |
| CN211201857U (en) * | 2019-08-28 | 2020-08-07 | 库尔勒中油能源技术服务有限公司 | Easily-fixed WSR sand prevention packer |
-
2019
- 2019-08-28 CN CN201910804086.6A patent/CN110454113B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2250351C2 (en) * | 2002-12-18 | 2005-04-20 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Self-detaching bidirectional action packer with electromechanical drive |
| CN201771468U (en) * | 2010-09-13 | 2011-03-23 | 禹栽星 | Packer using perforation and testing combined technology |
| CN105696965A (en) * | 2016-04-20 | 2016-06-22 | 中国石油集团西部钻探工程有限公司 | Electric packer |
| CN106351602A (en) * | 2016-10-27 | 2017-01-25 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Expanding type differential pressure opening type fine leakage finding and leakage checking packer |
| CN206280039U (en) * | 2016-12-26 | 2017-06-27 | 山东博赛特石油技术有限公司 | Long packing element type anti-creep inflatable packer |
| CN108825166A (en) * | 2018-05-30 | 2018-11-16 | 宝鸡瑞林石油机电设备有限责任公司 | A kind of novel water injection packer |
| CN211201857U (en) * | 2019-08-28 | 2020-08-07 | 库尔勒中油能源技术服务有限公司 | Easily-fixed WSR sand prevention packer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110454113A (en) | 2019-11-15 |
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