CN201650199U - Slip type hydraulic packer - Google Patents
Slip type hydraulic packer Download PDFInfo
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- CN201650199U CN201650199U CN2010201877249U CN201020187724U CN201650199U CN 201650199 U CN201650199 U CN 201650199U CN 2010201877249 U CN2010201877249 U CN 2010201877249U CN 201020187724 U CN201020187724 U CN 201020187724U CN 201650199 U CN201650199 U CN 201650199U
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Abstract
The utility model discloses a slip type hydraulic packer relating to the technical field of oil well packers. The hydraulic packer comprises a main body, a slip sleeve, a slip, a seat cover, a main rubber plug, an upper connecting cover, a mandrel, a bushing and a lower connector. The upper end of the main body is fixedly provided with a thread bushing, the upper end of the slip sleeve is fixedly arranged with the thread bushing, and the slip is sheathed on the main body and arranged in the slip sleeve. The seat cover is fixedly arranged on the main body by an upper dowel, and the upper end of the seat cover forms a conic shape of narrow top and wide bottom. The structure is reasonable and compact. An upper rubber plug, a lower rubber plug and the main rubber plug are used in coordination, the main rubber plug performs main stratum packing functions, the upper rubber plug and the lower rubber plug perform auxiliary packing functions, and the packing effect is ideal. After the pipe of high internal pressure is sealed, the upper rubber plug, the lower rubber plug and the main rubber plug of the slip, under reverse ring gear action, can not fail due to pressure release, and well walls and stratum are continuously sealed and packed. The utility model has the advantages of strong suspension force, excellent adaptability to irregular well walls, simple site operation and high tool reliability.
Description
One, technical field
The utility model relates to the Wel packing technical field, is a kind of slip-type hydraulic packer.
Two, background technology
In work progresss such as oilfield well completion, well workover, stimulation work, often need to use packer to sit and hang on the borehole wall and the packing stratum, to realize purposes such as layer and section exploitation, control water blocking water, reservoir reconstruction.And often there is the problem of the following aspects in conventional packer: 1. complex structure, parts are various, cause processing cost height, execute-in-place complex process, and the instrument global reliability is low; 2. sit and sit extension power deficiency when hanging on the borehole wall; 3. poor to irregular borehole wall adaptive.
Three, summary of the invention
The utility model provides a kind of slip-type hydraulic packer, has overcome the deficiency of above-mentioned prior art, and it can effectively solve existing packer poor reliability, it is not enough and to the problem of irregular borehole wall adaptive difference to sit extension power.
The technical solution of the utility model realizes by following measure: a kind of slip-type hydraulic packer comprises body, slips sleeve, slips, cover for seat, main plug, upper joint sleeve, axle, lining and lower contact; Upper end at body is installed with thread bush, the upper end and the thread bush of slips sleeve have been fixedly mounted on, slip sleeve is contained on the body and is positioned at the slips sleeve, cover for seat is installed on the body by last dowel fixes, the upper end of cover for seat is up-narrow and down-wide taper, and the upper end of cover for seat is passed the slips sleeve and is positioned at the lower inside of slips; The lower end of cover for seat and the upper end of sealing shroud are fixedly installed togather, on the body below the sealing shroud, be set with upper joint sleeve, on the body between sealing shroud and the upper joint sleeve, be set with top cement plug from top to bottom, main plug and bottom plug, there is axle in the outside, bottom at body, lower contact and body are fixedly installed togather, the lower end of axle is fixedly mounted in the lower contact, be installed with lining in the axle outside by following pin, the upper end and the upper joint sleeve of lining are fixedly installed togather, pressure transmission hole is arranged on body, between axle and upper joint sleeve, spacing is arranged, axle, form the pressure transmission chamber that communicates with pressure transmission hole between upper joint sleeve and the lining, the groove that communicates with the pressure transmission chamber is arranged in inboard, upper joint sleeve lower end.
Be further optimization and/or improvements below to above-mentioned utility model technical scheme:
Can there be outer lug boss the upper end of above-mentioned axle, lower inside at lining has inner convex platform, the bottom of inner convex platform is the up-narrow and down-wide conical surface, axle, lining, form cavity between inner convex platform and the outer lug boss, be installed with lower joint sleeve between the lining of inner convex platform below and the axle, lower joint sleeve and axle are fixedly installed togather by following pin, at lower joint sleeve, axle, form installation cavity between inner convex platform and the lining, the pawl ring is installed in installation cavity from top to bottom in regular turn, baffle ring and the pretension elastic ring that pawl ring and baffle ring upwards can be held out against, on the medial surface of pawl ring pawl is arranged, the top of pawl ring is the up-narrow and down-wide conical surface and is positioned at the conical surface inboard of inner convex platform.
The upper end of above-mentioned axle can be fixedly installed togather by screw and body.
The upper end of above-mentioned body can be equipped with thread bush by dowel fixes, and the inboard outside, bottom with thread bush, the upper end of slips sleeve is fixedly installed togather by screw thread; The outside, lower end of cover for seat is fixedly installed togather by screw thread with the inboard, upper end of sealing shroud; The lower end of axle is fixedly mounted in the lower contact by screw thread, and the inboard outside with upper joint sleeve, the upper end of lining is fixedly installed togather.
The inboard, lower end of the upper outside of above-mentioned lower joint sleeve and lining can be fixedly installed togather.
Between above-mentioned sealing shroud and the body sealing ring can be installed, between upper joint sleeve and the body sealing ring be installed; Between the bottom of upper joint sleeve and the lining sealing ring is installed, between the top of outer lug boss and the body sealing ring is installed; Between the top of outer lug boss and the lining sealing ring is installed.
The utility model reasonable and compact in structure is used by top cement plug, bottom plug and main plug, and main plug plays the effect of main packing stratum, and top cement plug and bottom plug play auxiliary packing effect, and the packing effect is better; The seat that builds the pressure in the pipe is honored as a queen, because the effect of pawl ring, slips top cement plug, bottom plug and main plug can not lose efficacy because of release, will continue a shut-in well wall, packing stratum, and it is strong therefore to sit extension power, good to irregular borehole wall adaptive; Execute-in-place is simple, the tool reliability height.
Four, description of drawings
Accompanying drawing 1 is looked half section structure for amplifying schematic diagram for the master on the utility model most preferred embodiment top.
Accompanying drawing 2 is looked the half section structural representation for the master of the utility model most preferred embodiment bottom.
Coding in the accompanying drawing is respectively: 1 is body, and 2 is the slips sleeve, and 3 is slips, and 4 is cover for seat, and 5 is main plug, 6 is upper joint sleeve, and 7 is axle, and 8 is lining, and 9 are lower contact, and 10 is thread bush, 11 is last pin, and 12 is sealing shroud, and 13 is top cement plug, and 14 is bottom plug, 15 are following pin, and 16 is pressure transmission hole, and 17 are the pressure transmission chamber, and 18 is groove, 19 is outer lug boss, and 20 is inner convex platform, and 21 is cavity, and 22 is lower joint sleeve, 23 is the pawl ring, and 24 is baffle ring, and 25 is the pretension elastic ring, and 26 is sealing ring.
Five, the specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Shown in accompanying drawing 1,2, this slip-type hydraulic packer comprises body 1, slips sleeve 2, slips 3, cover for seat 4, main plug 5, upper joint sleeve 6, axle 7, lining 8 and lower contact 9; Be installed with thread bush 10 in the upper end of body 1, the upper end of slips sleeve 2 and thread bush 10 are fixedly installed togather, slips 3 is sleeved on the body 1 and is positioned at slips sleeve 2, cover for seat 4 is fixedly mounted on the body 1 by last pin 11, the upper end of cover for seat 4 is up-narrow and down-wide taper, and the upper end of cover for seat 4 is passed slips sleeve 2 and is positioned at the lower inside of slips 3; The upper end of the lower end of cover for seat 4 and sealing shroud 12 is fixedly installed togather, on the body below the sealing shroud 12 1, be set with upper joint sleeve 6, on the body 1 between sealing shroud 12 and the upper joint sleeve 6, be set with top cement plug 13 from top to bottom, main plug 5 and bottom plug 14, there is axle 7 in the outside, bottom at body 1, lower contact 9 is fixedly installed togather with body 1, the lower end of axle 7 is fixedly mounted in the lower contact 9, be installed with lining 8 in axle 7 outsides by following pin 15, the upper end of lining 8 and upper joint sleeve 6 are fixedly installed togather, pressure transmission hole 16 is arranged on body 1, between axle 7 and upper joint sleeve 6, spacing is arranged, axle 7, form the pressure transmission chamber 17 that communicates with pressure transmission hole 16 between upper joint sleeve 6 and the lining 8, in inboard, upper joint sleeve 6 lower end the groove 18 that communicates with pressure transmission chamber 17 is arranged, like this, slips 3 can improve the ability of sit hanging the borehole wall and strong to irregular borehole wall compliance.
Can according to actual needs above-mentioned slip-type hydraulic packer be made further optimization and/or improvements:
As shown in Figure 2, there is outer lug boss 19 upper end of axle 7, lower inside at lining 8 has inner convex platform 20, the bottom of inner convex platform 20 is the up-narrow and down-wide conical surface, axle 7, lining 8, form cavity 21 between inner convex platform 20 and the outer lug boss 19, be installed with lower joint sleeve 22 between the lining 8 of inner convex platform 20 belows and the axle 7, lower joint sleeve 22 is fixedly installed togather by following pin 15 with axle 7, at lower joint sleeve 22, axle 7, form installation cavity between inner convex platform 20 and the lining 8, pawl ring 23 is installed in installation cavity from top to bottom in regular turn, baffle ring 24 and the pretension elastic ring 25 that pawl ring 23 and baffle ring 24 upwards can be held out against, on the medial surface of pawl ring 23, pawl is arranged, the top of pawl ring 23 is the up-narrow and down-wide conical surface and is positioned at the conical surface inboard of inner convex platform 20, like this, the seat that builds the pressure in the pipe is honored as a queen, since the effect of pawl ring 23, slips 3, top cement plug 13, main plug 5 and bottom plug 14 can not lose efficacy because of release, will continue a shut-in well wall, the packing stratum.
As shown in Figure 2, in order to increase the stability of axle 7, the upper end of axle 7 is fixedly installed togather by screw and body 1.
Shown in accompanying drawing 1,2, for the ease of installation and removal, the upper end of body 1 is equipped with thread bush 10 by dowel fixes, and the inboard outside, bottom with thread bush 10, the upper end of slips sleeve 2 is fixedly installed togather by screw thread; The outside, lower end of cover for seat 4 is fixedly installed togather by screw thread with the inboard, upper end of sealing shroud 12; The lower end of axle 7 is fixedly mounted in the lower contact 9 by screw thread, and the inboard outside with upper joint sleeve 6, the upper end of lining 8 is fixedly installed togather.
As shown in Figure 2, for the ease of installation and removal, the inboard, lower end of the upper outside of lower joint sleeve 22 and lining 8 is fixedly installed togather.
Shown in accompanying drawing 1,2, in order to increase sealing, between sealing shroud 12 and the body 1 sealing ring 26 is installed, between upper joint sleeve 6 and the body 1 sealing ring 26 is installed; Between the bottom of upper joint sleeve and the lining 8 sealing ring 26 is installed, between the top of outer lug boss 19 and the body 1 sealing ring 26 is installed; Between the top of outer lug boss 19 and the lining 8 sealing ring 26 is installed.According to actual conditions, between slips sleeve 2 and the slips 3 support spring is installed, because the support spring effect, slips 3 can the swipe borehole wall.
Above technical characterictic has constituted most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The use of the utility model most preferred embodiment: during on-the-spot the use, the utility model is connected to sends on the tubing string, down to the design level position.When building the pressure in the pipe, upper joint sleeve 6 is stressed to a certain degree the time, following pin 15 is cut off, upper joint sleeve 6 drives lining 8, lower joint sleeve 22 is along moving on the cavity 21, extruding bottom plug 14, main plug 5 and top cement plug 13, when bottom plug 14, after main plug 5 and plug 13 are extruded to a certain degree, last pin 11 is cut off, cover for seat 4 promotion slips 3 stretch out and lean against on the sleeve pipe, continue to build the pressure until realizing seat shut-in well wall, the packing stratum, at this moment, because the pawl of pawl ring 23 is stuck on the inwall of axle 7, slips 3, top cement plug 13, main plug 5 and bottom plug 14 can not lose efficacy because of release, will continue a shut-in well wall, the packing stratum.
Claims (10)
1. a slip-type hydraulic packer is characterized in that comprising body, slips sleeve, slips, cover for seat, main plug, upper joint sleeve, axle, lining and lower contact; Upper end at body is installed with thread bush, the upper end and the thread bush of slips sleeve are fixedly installed togather, slip sleeve is contained on the body and is positioned at the slips sleeve, cover for seat is installed on the body by last dowel fixes, the upper end of cover for seat is up-narrow and down-wide taper, and the upper end of cover for seat is passed the slips sleeve and is positioned at the lower inside of slips; The lower end of cover for seat and the upper end of sealing shroud are fixedly installed togather, on the body below the sealing shroud, be set with upper joint sleeve, on the body between sealing shroud and the upper joint sleeve, be set with top cement plug from top to bottom, main plug and bottom plug, there is axle in the outside, bottom at body, lower contact and body are fixedly installed togather, the lower end of axle is fixedly mounted in the lower contact, be installed with lining in the axle outside by following pin, the upper end and the upper joint sleeve of lining are fixedly installed togather, pressure transmission hole is arranged on body, between axle and upper joint sleeve, spacing is arranged, axle, form the pressure transmission chamber that communicates with pressure transmission hole between upper joint sleeve and the lining, the groove that communicates with the pressure transmission chamber is arranged in inboard, upper joint sleeve lower end.
2. slip-type hydraulic packer according to claim 1, there is outer lug boss the upper end that it is characterized in that axle, lower inside at lining has inner convex platform, the bottom of inner convex platform is the up-narrow and down-wide conical surface, axle, lining, form cavity between inner convex platform and the outer lug boss, be installed with lower joint sleeve between the lining of inner convex platform below and the axle, lower joint sleeve and axle are fixedly installed togather by following pin, at lower joint sleeve, axle, form installation cavity between inner convex platform and the lining, the pawl ring is installed in installation cavity from top to bottom in regular turn, baffle ring and the pretension elastic ring that pawl ring and baffle ring upwards can be held out against, on the medial surface of pawl ring pawl is arranged, the top of pawl ring is the up-narrow and down-wide conical surface and is positioned at the conical surface inboard of inner convex platform.
3. slip-type hydraulic packer according to claim 1 and 2 is characterized in that the upper end of axle is fixedly installed togather by screw and body.
4. slip-type hydraulic packer according to claim 1 and 2 is characterized in that the upper end of body is equipped with thread bush by dowel fixes, and the inboard outside, bottom with thread bush, the upper end of slips sleeve is fixedly installed togather by screw thread; The outside, lower end of cover for seat is fixedly installed togather by screw thread with the inboard, upper end of sealing shroud; The lower end of axle is fixedly mounted in the lower contact by screw thread, and the inboard outside with upper joint sleeve, the upper end of lining is fixedly installed togather.
5. slip-type hydraulic packer according to claim 3 is characterized in that the upper end of body is equipped with thread bush by dowel fixes, and the inboard outside, bottom with thread bush, the upper end of slips sleeve is fixedly installed togather by screw thread; The outside, lower end of cover for seat is fixedly installed togather by screw thread with the inboard, upper end of sealing shroud; The lower end of axle is fixedly mounted in the lower contact by screw thread, and the inboard outside with upper joint sleeve, the upper end of lining is fixedly installed togather.
6. slip-type hydraulic packer according to claim 2 is characterized in that the upper outside of lower joint sleeve and the inboard, lower end of lining are fixedly installed togather.
7. slip-type hydraulic packer according to claim 5 is characterized in that the upper outside of lower joint sleeve and the inboard, lower end of lining are fixedly installed togather.
8. slip-type hydraulic packer according to claim 2 is characterized in that between sealing shroud and the body sealing ring being installed, and between upper joint sleeve and the body sealing ring is installed; Between the bottom of upper joint sleeve and the lining sealing ring is installed, between the top of outer lug boss and the body sealing ring is installed; Between the top of outer lug boss and the lining sealing ring is installed.
9. slip-type hydraulic packer according to claim 3 is characterized in that between sealing shroud and the body sealing ring being installed, and between upper joint sleeve and the body sealing ring is installed; Between the bottom of upper joint sleeve and the lining sealing ring is installed, between the top of outer lug boss and the body sealing ring is installed; Between the top of outer lug boss and the lining sealing ring is installed.
10. slip-type hydraulic packer according to claim 7 is characterized in that between sealing shroud and the body sealing ring being installed, and between upper joint sleeve and the body sealing ring is installed; Between the bottom of upper joint sleeve and the lining sealing ring is installed, between the top of outer lug boss and the body sealing ring is installed; Between the top of outer lug boss and the lining sealing ring is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201877249U CN201650199U (en) | 2010-05-12 | 2010-05-12 | Slip type hydraulic packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201877249U CN201650199U (en) | 2010-05-12 | 2010-05-12 | Slip type hydraulic packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201650199U true CN201650199U (en) | 2010-11-24 |
Family
ID=43115431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201877249U Expired - Fee Related CN201650199U (en) | 2010-05-12 | 2010-05-12 | Slip type hydraulic packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201650199U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747979A (en) * | 2012-08-01 | 2012-10-24 | 山东胜油固井工程技术有限公司 | Bidirectional self-locking type external casing packer |
| CN106930719A (en) * | 2017-03-23 | 2017-07-07 | 中国石油集团西部钻探工程有限公司 | Can unseal, unjaming insulates formula extension hanger |
| CN108425655A (en) * | 2018-02-07 | 2018-08-21 | 中国石油集团西部钻探工程有限公司 | Retrievable hanging packer for flow string under no killing well |
| CN111852382A (en) * | 2020-09-22 | 2020-10-30 | 东营市正能石油科技有限公司 | Multifunctional combined packer |
-
2010
- 2010-05-12 CN CN2010201877249U patent/CN201650199U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747979A (en) * | 2012-08-01 | 2012-10-24 | 山东胜油固井工程技术有限公司 | Bidirectional self-locking type external casing packer |
| CN106930719A (en) * | 2017-03-23 | 2017-07-07 | 中国石油集团西部钻探工程有限公司 | Can unseal, unjaming insulates formula extension hanger |
| CN108425655A (en) * | 2018-02-07 | 2018-08-21 | 中国石油集团西部钻探工程有限公司 | Retrievable hanging packer for flow string under no killing well |
| CN108425655B (en) * | 2018-02-07 | 2024-01-23 | 中国石油天然气集团有限公司 | Removable hanging packer for snubbing production string |
| CN111852382A (en) * | 2020-09-22 | 2020-10-30 | 东营市正能石油科技有限公司 | Multifunctional combined packer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20160512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |