CN207813539U - Hydraulic anchoring device - Google Patents
Hydraulic anchoring device Download PDFInfo
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- CN207813539U CN207813539U CN201721816525.8U CN201721816525U CN207813539U CN 207813539 U CN207813539 U CN 207813539U CN 201721816525 U CN201721816525 U CN 201721816525U CN 207813539 U CN207813539 U CN 207813539U
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- tube
- linkage
- central tube
- outer tube
- anchoring device
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Abstract
The utility model is related to anchor technical fields, it is a kind of hydraulic anchoring device, it includes central tube, outer tube, linkage tube, lower contact, slips assembly, upper piston covers and lower piston set, it is installed with lower contact in the lower end outside of central tube, it is fixedly installed togather on the outside of the lower end inside of outer tube and the upper end of lower contact by unsealing pin, ring cavity is formed between outer tube and central tube, the at least two central tube leakage openings communicated with ring cavity are equipped on central tube corresponding with the middle part of outer tube, the lower part of linkage tube is sleeved in ring cavity, it is installed with lower piston set in the lower end of linkage tube, leakage opening corresponding with central tube leakage opening is equipped in linkage tube.The utility model reasonable and compact in structure, it is easy to use, when in use, the anchoring set with anchor that can be completed at the same time packer is once suppressed, process matching is strong, and task difficulty is low.
Description
Technical field
The utility model is related to anchor technical fields, are a kind of hydraulic anchoring devices.
Background technology
During oil and gas development, often tripping in assists oil-gas mining by the tubular column structure that downhole tool forms, and is opening
Since the variation of bottom pressure, tubing string pressure causes tubing string unbalance stress in adopting, cause string creep effect.To avoid tubing string compacted
Effect is moved, often tripping in underground anchor determines device anchoring string, alleviates crawling effect.Pipe string anchoring device used at present is mostly to press
Weight formula anchor, is opened by tubing string weight and is anchored, and Y341 packers are now widely used in oil field packing field, but ballast formula anchor
Determine device and Y341 packers cooperation difficulty is big, and complicated construction technique.
Invention content
The utility model provides a kind of hydraulic anchoring device, overcomes the deficiency of the above-mentioned prior art, can effectively solve
Ballast formula anchor and Y341 packers cooperation difficulty are big, and the problem of complicated construction technique.
The technical solution of the utility model is realized by following measures：A kind of hydraulic anchoring device, including central tube,
Outer tube, linkage tube, lower contact, slips assembly, upper piston set and lower piston set, in the case where the lower end outside of central tube is installed with
It is fixedly installed togather on the outside of connector, the lower end inside of outer tube and the upper end of lower contact by unsealing pin, outer tube and central tube
Between form ring cavity, on central tube corresponding with the middle part of outer tube be equipped at least two central tube drainages communicated with ring cavity
The lower part in hole, linkage tube is sleeved in ring cavity, and lower piston set is installed in the lower end of linkage tube, in linkage tube be equipped with
The corresponding leakage opening of central tube leakage opening is equipped with closing piece, in linkage tube in a wherein central tube leakage opening and leakage opening
Outside is installed with the upper piston set that lower end offsets with closing piece top by shear pin, is installed in the upper end of outer tube
It is sleeved on the slips assembly on linkage tube top, is installed on the outside of the upper end of linkage tube and is sleeved on 1 outside of central tube and energy
Make the distracted support cone assembly of slips assembly.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution：
The lower end of above-mentioned lower piston set is integrally intervally distributed with elastic claw, sawtooth button is equipped in the outside of elastic claw, in bullet
Property pawl below outer tube wall be equipped with the locking sawtooth button that can be meshed with sawtooth button.
Above-mentioned slips assembly includes slip spider, slips, is installed with slip spider in the upper end of outer tube, slips includes body
With slips body that is integrally fixed with body and being spaced apart, there is the tapered slips of body and top in the head base of slip spider
Body, support cone assembly include cone, lock ring and pressure cap, the lower end of cone is located in the top of slips body, the lower inside of cone and
The upper end of linkage tube is fixedly installed togather, and the upper inner of cone is equipped with annular groove, is equipped with and is sleeved on central tube in annular groove
And inside is equipped with the lock ring of sawtooth button, and the locking saw that can be meshed with the sawtooth button of lock ring is equipped on the central tube below lock ring
Tooth button is installed with the pressure cap held out against on lock ring in the upper end of cone.
The upper end of above-mentioned central tube is installed with top connection.
Sealing ring is installed between above-mentioned central tube and linkage tube, is equipped between upper piston set and linkage tube and outer tube close
Seal is equipped with sealing ring between lower piston set and linkage tube and outer tube.
The utility model reasonable and compact in structure, easy to use, the utility model is matched with Y341 packers,
During Y341 packer uses, need to set Y341 packers by suppressing, therefore when in use, once suppressing can be simultaneously
The anchoring of packer set with anchor is completed, process matching is strong, and task difficulty is low.
Description of the drawings
Attached drawing 1 is the main view half section schematic of the best embodiment of the utility model.
Coding in attached drawing is respectively：It is managed centered on 1,2 be outer tube, and 3 be linkage tube, and 4 be lower contact, and 5 be upper piston set,
6 be lower piston set, and 7 be deblocking pin, and 8 be ring cavity, and pipe leakage opening centered on 9,10 be closing piece, and 11 be shear pin, and 12 be bullet
Property pawl, 13 be sawtooth button, 14 be slip spider, and 15 be body, 16 be slips body, 17 be cone, and 18 be lock ring, and 19 be pressure cap, 20
It is sealing ring for top connection, 21.
Specific implementation mode
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative position relation of each component is according to specification
The Butut mode of attached drawing 1 is described, such as：The position relationship of upper and lower, left and right etc. is the Butut according to Figure of description 1
Direction determines.
The utility model is further described with reference to embodiment and attached drawing：
As shown in Fig. 1, the hydraulic anchoring device include central tube 1, outer tube 2, linkage tube 3, lower contact 4, slips assembly, on
Piston bush 5 and lower piston set 6, are installed with lower contact 4, the lower end inside of outer tube 2 connects under in the lower end outside of central tube 1
Be fixedly installed togather on the outside of first 4 upper end by unsealing pin 7, form ring cavity 8 between outer tube 2 and central tube 1, with outer tube
The 2 corresponding central tube 1 in middle part is equipped at least two central tube leakage openings 9 communicated with ring cavity 8, and the lower part of linkage tube 3 covers
In ring cavity 8, it is installed with lower piston set 6 in the lower end of linkage tube 3, is equipped with and central tube leakage opening 9 in linkage tube 3
Corresponding leakage opening is equipped with closing piece 10 in a wherein central tube leakage opening 9 and leakage opening, passes through in the outside of linkage tube 3
Shear pin 11 is installed with the upper piston set 5 that lower end offsets with 10 top of closing piece, and set is installed in the upper end of outer tube 2
Slips assembly mounted in 3 top of linkage tube is installed on the outside of the upper end of linkage tube 3 and is sleeved on 1 outside of central tube and energy
Make the distracted support cone assembly of slips assembly.The utility model is matched with Y341 packers, and process is used in Y341 packers
In, need to set Y341 packers by suppressing, therefore when in use, once suppress can be completed at the same time packer set and
The anchoring of anchor, process matching is strong, and task difficulty is low.
Above-mentioned hydraulic anchoring device can be made further optimization and/or improvements according to actual needs：
As shown in Fig. 1, the lower end of lower piston set 6 is integrally intervally distributed with elastic claw 12, is set in the outside of elastic claw 12
There is sawtooth button 13, the locking sawtooth button that can be meshed with sawtooth button 13 is equipped on 2 inner wall of outer tube below elastic claw 12.Elasticity
Sawtooth button 13 on pawl 12 is engaged with the locking sawtooth button on outer tube 2, can play the role of locking, increases stability.
As shown in Fig. 1, slips assembly includes slip spider 14, slips, and slip spider is installed in the upper end of outer tube 2
14, slips includes body 15 and slips body 16 that is fixed with 15 one of body and being spaced apart, is had in the head base of slip spider 14
The tapered slips body 16 of body 15 and top, support cone assembly include cone 17, lock ring 18 and pressure cap 19, the lower end position of cone 17
In in the top of slips body 16, the upper end of the lower inside and linkage tube 3 of cone 17 is fixedly installed togather, the top of cone 17
Inside is equipped with annular groove 20, is equipped in annular groove 20 and is sleeved on the lock ring 18 that on central tube 1 and inside is equipped with sawtooth button 13, in lock ring
The central tube 1 of 18 lower sections is equipped with the locking sawtooth button that can be meshed with the sawtooth button 13 of lock ring 18, solid in the upper end of cone 17
Dingan County is equipped with and holds out against the pressure cap 19 on lock ring 18.Locking sawtooth button engagement on the sawtooth button 13 and central tube 1 of lock ring 18, energy
Play the role of locking, increases stability.
As shown in Fig. 1, for the ease of being connected with top device, top connection 20 is installed in the upper end of central tube 1.
As shown in Fig. 1, in order to increase leakproofness, sealing ring 21, upper work are installed between central tube 1 and linkage tube 3
Sealing ring 21 is installed between plug sleeve 5 and linkage tube 3 and outer tube 2, is equipped between lower piston set 6 and linkage tube 3 and outer tube 2 close
Seal 21.
It is the operation process of the utility model below, works as oil pipe（That is central tube 1）When suppressing, hydraulic pressure passes through central tube drainage
Hole 9 and leakage opening enter in the ring cavity 8 between upper piston set 5 and lower piston set 6, and shear pin is cut when pressure is sufficiently large
11, upper piston set 5 moves up, and concedes 10 extrusion space of closing piece, and lower piston set 6 drives linkage tube 3, linkage tube 3 to drive lock ring 18, cone
Body 17, pressure cap 19 move down, and 17 spreading slips body 16 of cone, slips body 16 is engaged with internal surface of sleeve pipe.During moving down,
It is elastic claw 12 since lower piston covers 6 lower parts, 12 outside of elastic claw is equipped with sawtooth button 13, can be nibbled with the locking sawtooth button of outer tube 2
It closes, plays the role of locking, the position sawtooth button design corresponding with central tube 1 of same lock ring 18 plays the role of locking.Work as card
Watt body 16 is engaged with casing just plays the role of anchoring string.Y341 packers are also completed to set simultaneously, when having needed to go to work
When tool, oil pipe is above carried, upper lifting force is transmitted to lower contact 4 by central tube 1, and anchor is engaged with casing because of slips at this time, outer tube 2
Can not displacement cut deblocking pin 7 when 1 stress of central tube is sufficiently large, central tube 1 drives lower contact 4 to move up, elastic at this time
Pawl 12 is detached with outer tube 2, and central tube 1 drives lock ring 18, cone 17, pressure cap 19, linkage tube 3 to move up together and concedes slips recycling sky
Between, hydraulic anchoring device unlock is completed, anchor can be played out at this time.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, to meet the needs of different situations according to actual needs.
Claims (9)
1. a kind of hydraulic anchoring device, it is characterised in that including central tube, outer tube, linkage tube, lower contact, slips assembly, upper piston
Set and lower piston set, lower contact, the lower end inside of outer tube and the upper end of lower contact are installed in the lower end outside of central tube
Outside is fixedly installed togather by unsealing pin, ring cavity is formed between outer tube and central tube, corresponding with the middle part of outer tube
Central tube is equipped at least two central tube leakage openings communicated with ring cavity, and the lower part of linkage tube is sleeved in ring cavity, is linking
The lower end of pipe is installed with lower piston set, is equipped with leakage opening corresponding with central tube leakage opening in linkage tube, and wherein one
It is equipped with closing piece in a central tube leakage opening and leakage opening, lower end and lock are installed with by shear pin in the outside of linkage tube
The upper piston set that block top offsets is installed with the slips assembly for being sleeved on linkage tube top in the upper end of outer tube, is linking
It is installed on the outside of the upper end of pipe and is sleeved on 1 outside of central tube and the distracted support cone assembly of slips assembly can be made.
2. hydraulic anchoring device according to claim 1, it is characterised in that the lower end of lower piston set is integrally intervally distributed with bullet
Property pawl, be equipped with sawtooth button in the outside of elastic claw, being equipped on the outer tube wall below elastic claw can be meshed with sawtooth button
Lock sawtooth button.
3. hydraulic anchoring device according to claim 1 or 2, it is characterised in that slips assembly includes slip spider, slips, outside
The upper end of pipe is installed with slip spider, and slips includes body and slips body that is integrally fixed with body and being spaced apart, in card
The head base of watt seat has the tapered slips body of body and top, and support cone assembly includes cone, lock ring and pressure cap, the lower end of cone
In the top of slips body, the lower inside of cone and the upper end of linkage tube are fixedly installed togather, the upper inner of cone
Equipped with annular groove, it is equipped in annular groove and is sleeved on the lock ring that on central tube and inside is equipped with sawtooth button, the central tube below lock ring
It is equipped with the locking sawtooth button that can be meshed with the sawtooth button of lock ring, is installed with and is held out against on lock ring in the upper end of cone
Pressure cap.
4. hydraulic anchoring device according to claim 1 or 2, it is characterised in that the upper end of central tube, which is installed with, to be connect
Head.
5. hydraulic anchoring device according to claim 3, it is characterised in that the upper end of central tube is installed with top connection.
6. hydraulic anchoring device according to claim 1 or 2, it is characterised in that be equipped with sealing between central tube and linkage tube
Circle is equipped with sealing ring, is equipped between lower piston set and linkage tube and outer tube close between upper piston set and linkage tube and outer tube
Seal.
7. hydraulic anchoring device according to claim 3, it is characterised in that sealing ring is installed between central tube and linkage tube,
Upper piston is covered is equipped with sealing ring between linkage tube and outer tube, and sealing is equipped between lower piston set and linkage tube and outer tube
Circle.
8. hydraulic anchoring device according to claim 4, it is characterised in that sealing ring is installed between central tube and linkage tube,
Upper piston is covered is equipped with sealing ring between linkage tube and outer tube, and sealing is equipped between lower piston set and linkage tube and outer tube
Circle.
9. hydraulic anchoring device according to claim 5, it is characterised in that sealing ring is installed between central tube and linkage tube,
Upper piston is covered is equipped with sealing ring between linkage tube and outer tube, and sealing is equipped between lower piston set and linkage tube and outer tube
Circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721816525.8U CN207813539U (en) | 2017-12-22 | 2017-12-22 | Hydraulic anchoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721816525.8U CN207813539U (en) | 2017-12-22 | 2017-12-22 | Hydraulic anchoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207813539U true CN207813539U (en) | 2018-09-04 |
Family
ID=63330237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721816525.8U Active CN207813539U (en) | 2017-12-22 | 2017-12-22 | Hydraulic anchoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207813539U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344780A (en) * | 2019-06-25 | 2019-10-18 | 大庆华油石油科技开发有限公司 | A kind of hydraulic deblocking tubing anchor |
| CN110439489A (en) * | 2019-09-18 | 2019-11-12 | 东营市元捷石油机械有限公司 | Fill the water anti-jack slips anchor |
| CN110593791A (en) * | 2019-11-15 | 2019-12-20 | 中国石油化工股份有限公司胜利油田分公司石油工程技术研究院 | Hydraulic control type safety support anchoring device and using method thereof |
-
2017
- 2017-12-22 CN CN201721816525.8U patent/CN207813539U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344780A (en) * | 2019-06-25 | 2019-10-18 | 大庆华油石油科技开发有限公司 | A kind of hydraulic deblocking tubing anchor |
| CN110344780B (en) * | 2019-06-25 | 2020-04-03 | 大庆华油石油科技开发有限公司 | Hydraulic deblocking tubing anchor |
| CN110439489A (en) * | 2019-09-18 | 2019-11-12 | 东营市元捷石油机械有限公司 | Fill the water anti-jack slips anchor |
| CN110439489B (en) * | 2019-09-18 | 2024-08-02 | 东营市元捷石油机械有限公司 | Water injection anti-jacking slip anchor |
| CN110593791A (en) * | 2019-11-15 | 2019-12-20 | 中国石油化工股份有限公司胜利油田分公司石油工程技术研究院 | Hydraulic control type safety support anchoring device and using method thereof |
| CN110593791B (en) * | 2019-11-15 | 2020-02-07 | 中国石油化工股份有限公司胜利油田分公司石油工程技术研究院 | Hydraulic control type safety support anchoring device and using method thereof |
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