CN203161141U - Non-well-cementing expansion drilling liner hanger - Google Patents
Non-well-cementing expansion drilling liner hanger Download PDFInfo
- Publication number
- CN203161141U CN203161141U CN 201220670523 CN201220670523U CN203161141U CN 203161141 U CN203161141 U CN 203161141U CN 201220670523 CN201220670523 CN 201220670523 CN 201220670523 U CN201220670523 U CN 201220670523U CN 203161141 U CN203161141 U CN 203161141U
- Authority
- CN
- China
- Prior art keywords
- outside
- central axis
- less
- expansion
- sealing ring
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to the technical field of expansion drilling liner hangers, and discloses a non-well-cementing expansion drilling liner hanger. The drilling liner hanger comprises an upper connector, a center shaft, an expansion pipe, a center pipe, a bypass piece and a lower connector, wherein the inner side of the lower part of the upper connector and the outer side of the upper part of the center shaft are fixedly mounted together; the expansion pipe is arranged on the outer side of the center shaft; the inner side of the lower part of the expansion pipe and the outer side of the upper part of the lower connector are fixedly mounted together; a cavity is formed between the center shaft and the expansion pipe; at least one rubber ring is fixed at the exterior of the expansion pipe; and an adapter connector is fixedly mounted on the outer side of the lower end of the center shaft. The drilling liner hanger is reasonable and compact in structure, convenient to use, safe and reliable, and facilitates site operation; smooth expansion of the expansion pipe is ensured in the manner that hydraulic differential pressure is achieved by ground pitching and pressing; and after the expansion work is finished, back-off operation can be performed in the manner that a drill string is positively rotated on the ground. Therefore, the working efficiency is improved, and a potential safety hazard caused by a setting failure is reduced.
Description
Technical field
The utility model relates to expansion extension hanger technical field, is a kind of non-well cementation formula expansion extension hanger.
Background technology
In solid completion practice, extension hanger is to adopt technical measures comparatively widely at present.Yet use at the scene in the process of extension hanger, the problem that has tail pipe overlay segment cementing quality difference, being on the increase along with the amount of exceptional wells such as deep-well, ultradeep well, horizontal well in addition, and the complexity of hole condition increases thereupon, under these complicated hole conditions, the situations such as imitating or set inefficacy of reporting the loss often appears sitting in the conventional tail pipe hanger, the completion effect is caused seriously influence; Simultaneously, owing to after the extension hanger seat that uses is hung at present, with the borehole size in the follow-up underground work of restriction, thereby operations such as follow-up well workover and lower oil-extracting pump are caused adverse effect.
Summary of the invention
The utility model provides a kind of non-well cementation formula expansion extension hanger, overcome the deficiency of above-mentioned prior art, it can effectively solve the seat that existing expansion extension hanger exists in actual use and report the loss the hidden danger of effect and the problem that seat is hung the well of the follow-up underground work of back restriction.
The technical solution of the utility model realizes by following measure: a kind of non-well cementation formula expansion extension hanger comprises top connection, central axis, expansion tube, central tube, bypass part and lower contact; Top connection lower inside and central axis upper outside are fixedly installed togather, in the central axis outside expansion tube is arranged, expansion tube lower inside and lower contact upper outside are fixedly installed togather, form cavity between central axis and the expansion tube, the rubber ring that at least one is arranged in the external stability of expansion tube, be installed with change snapping head in the outside, lower end of central axis, in the inboard, lower end that becomes the snapping head boss is arranged, upper inner at central axis has ball seat, be installed with the bypass part on the central axis corresponding with ball seat, below the bypass part and the central axis between the expansion tube bending place be set with expansion cone, central axis above ball seat has radially inlet opening, the feed pathway that communicates with radially inlet opening and cavity is arranged respectively at the bypass part, be installed with central tube in the central axis between ball seat and boss, form sap cavity between central tube and the central axis, have and go out the radially fluid hole that sap cavity communicates at central axis, the liquid outlet channel that communicates with radially fluid hole and bypass part top outer is arranged on the bypass part respectively, the outside, central axis bottom is set with seat at the left-hand thread spline housing that becomes snapping crown portion, the outside of left-hand thread spline housing is fixedly installed togather by left-hand thread screw thread and lower contact upper inner, and the central axis between left-hand thread spline housing and expansion cone has through hole.
Be the further optimization and/or improvements to above-mentioned utility model technical scheme below:
Above-mentioned top connection lower inside and central axis upper outside can be fixedly installed togather by screw thread, expansion tube lower inside and lower contact upper outside are fixedly installed togather by screw thread, be installed with the bypass part by screw thread on the central axis corresponding with ball seat, be installed with back of the body cap in the central axis outside of bypass part upper end by screw thread.
Can there be inner convex platform above-mentioned ball seat lower end, the inner convex platform lower end is installed with sealing shroud, sealing shroud is fixed by welding in the outside, central tube upper end, in the outer end of fluid hole radially left seal plug is arranged fixedly, left side seal plug is fixed together by welding and bypass part, in the outer end of inlet opening radially right seal plug is arranged fixedly, right seal plug is fixed together by welding and bypass part, the boss upper end is installed with joint ring and is fixed by welding in the outside, central tube lower end, becomes snapping head lower inside and is installed with tubing nipple by screw thread.
Above-mentioned bypass part upper outside can have concave station, wheel ball bearing is fixedly arranged on the concave station, wheel ball bearing comprises dish, pellet shot from a slingshot and lower wall, last dish is installed in the top of lower wall, pellet shot from a slingshot is fixedly mounted between dish and the lower wall, and last dish is fixed by welding in above-mentioned wheel ball bearing with concave station can comprise dish, pellet shot from a slingshot and lower wall, and last dish is installed in the top of lower wall, pellet shot from a slingshot is fixedly mounted between dish and the lower wall, and last dish is fixed by welding in concave station.
Above-mentioned can fixedly have spline fitting in below the through hole and the outside of the central axis above the left-hand thread spline housing, is installed with spring between spline fitting and left-hand thread spline housing.
Can there be the sealing ring that is no less than in the outside, above-mentioned top connection bottom with between the central axis upper outside, the central axis upper outside reaches radially between bypass part upper inner, and there is the sealing ring that is no less than the top of inlet opening, the expansion tube upper inner has the sealing ring that is no less than between the bypass part outside, the expansion tube upper inner has the sealing ring that is no less than between the expansion cone outside, the central axis upper outside has the sealing ring that is no less than between the expansion cone inboard, the lower contact upper outside has the sealing ring that is no less than between the expansion tube lower inside, becoming snapping centriciput inboard has the sealing ring that is no less than between the outside, central axis bottom, the central axis lower inside has the sealing ring that is no less than with the joint ring outside.
Above-mentioned top connection upper inner can have last screw thread, and there is following screw thread in the outside, lower contact bottom.The above-mentioned expansion tube outside is installed with and is no less than one rubber ring.
The utility model reasonable and compact in structure, easy to use, it is safe and reliable, execute-in-place is convenient, it is suppressed by the ground pitching and realizes that the hydraulic pressure difference mode guarantees the smooth expansion of expansion tube, after the expansion end of job, and can be by the operation of giving up of the mode of ground dextrorotation drill string.Therefore not only improve operating efficiency, also reduced the potential safety hazard that lost efficacy and cause because of the seat envelope.
Description of drawings
Accompanying drawing 1 is the broken section structural representation of the utility model most preferred embodiment.
Accompanying drawing 2 is the structural representation at A-A place in the accompanying drawing 1 to 3.
Accompanying drawing 3 is that the I of accompanying drawing 1 to 3 is to the structure for amplifying schematic diagram.
Coding in the accompanying drawing is respectively: 1 for top connection, axle centered by 2, and 3 be expansion tube, manages centered by 4,5 is the bypass part, and 6 are lower contact, and 7 is concave station, and 8 is the left-hand thread spline housing, 9 is inner convex platform, and 10 for going out sap cavity, and 11 is last screw thread, and 12 is cavity, 13 is expansion cone, and 14 are following screw thread, and 15 is ball seat, and 16 are inlet opening radially, 17 is feed pathway, and 18 are fluid hole radially, and 19 is liquid outlet channel, 20 is through hole, and 21 is rubber ring, and 22 are back of the body cap, 23 is sealing shroud, and 24 is left seal plug, and 25 is right seal plug, 26 for becoming the snapping head, and 27 is boss, and 28 is joint ring, 29 is tubing nipple, and 30 is last dish, and 31 is pellet shot from a slingshot, 32 is lower wall, and 33 is spline fitting, and 34 is spring.
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.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description 1 to 3 is described, as: the position relation of forward and backward, upper and lower, left and right etc. is what to determine according to the Butut direction of Figure of description 1 to 3.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Shown in accompanying drawing 1 to 3, this non-well cementation formula expansion extension hanger comprises top connection 1, central axis 2, expansion tube 3, central tube 4, bypass part 5 and lower contact 6; Top connection 1 lower inside and central axis 2 upper outside are fixedly installed togather, in central axis 2 outsides expansion tube 3 is arranged, expansion tube 3 lower inside and lower contact 6 upper outside are fixedly installed togather, form cavity 12 between central axis 2 and the expansion tube 3, the rubber ring 21 that at least one is arranged in the external stability of expansion tube 3, be installed with change snapping head 26 in the outside, lower end of central axis 2, in the inboard, lower end that becomes snapping head 26 boss 27 is arranged, upper inner at central axis 2 has ball seat 15, be installed with bypass part 5 on the central axis 2 corresponding with ball seat 15, below the bypass part 5 and the central axis 2 between expansion tube 3 bending places be set with expansion cone 13, central axis 2 above ball seat 15 has radially inlet opening 16, the feed pathway 17 that communicates with radially inlet opening 16 and cavity 12 is arranged respectively at bypass part 5, be installed with central tube 4 in the central axis 2 between ball seat 15 and boss 27, form sap cavity 10 between central tube 4 and the central axis 2, have and go out the radially fluid hole 18 that sap cavity 10 communicates at central axis 2, the liquid outlet channel 19 that communicates with radially fluid hole 18 and bypass part 5 top outer is arranged on the bypass part 5 respectively, the outside, central axis 2 bottoms is set with seat at the left-hand thread spline housing 8 that becomes snapping head 26 tops, the outside of left-hand thread spline housing 8 is fixedly installed togather by left-hand thread screw thread and lower contact 6 upper inner, and the central axis 2 between left-hand thread spline housing 8 and expansion cone 13 has through hole 20.The setting of rubber ring 21 not only can be played and sit the effect of hanging, and can play the effect of protection expansion tube 3 under the bigger condition of pressure.
Can according to actual needs above-mentioned non-well cementation formula expansion extension hanger be made further optimization and/or improvements:
Shown in accompanying drawing 1 to 3, top connection 1 lower inside and central axis 2 upper outside are fixedly installed togather by screw thread, expansion tube 3 lower inside and lower contact 6 upper outside are fixedly installed togather by screw thread, be installed with bypass part 5 by screw thread on the central axis 2 corresponding with ball seat 15, be installed with back of the body cap 22 in central axis 2 outsides of bypass part 5 upper ends by screw thread.
Shown in accompanying drawing 1 to 3, there is inner convex platform 9 ball seat 15 lower ends, inner convex platform 9 lower ends are installed with sealing shroud 23, sealing shroud 23 is fixed by welding in the outside, central tube 4 upper ends, in the outer end of fluid hole 18 radially left seal plug 24 is arranged fixedly, left side seal plug 24 is fixed together by welding and bypass part 5, in the outer end of inlet opening 16 radially right seal plug 25 is arranged fixedly, right seal plug 25 is fixed together by welding and bypass part 5, boss 27 upper ends are installed with joint ring 28 and are fixed by welding in the outside, central tube 4 lower ends, become snapping head 26 lower inside and are installed with tubing nipple 29 by screw thread.The setting of sealing shroud 23, left seal plug 24 and right seal plug 25 can improve sealing of the present utility model.
Shown in accompanying drawing 1 to 3, bypass part 5 upper outside have concave station 7, wheel ball bearing is fixedly arranged on the concave station 7, wheel ball bearing comprises dish 30, pellet shot from a slingshot 31 and lower wall 32, last dish 30 is installed in the top of lower wall 32, pellet shot from a slingshot 31 is fixedly mounted between dish 30 and the lower wall 32, on coil 30 and be fixed by welding in concave station 7.
Shown in accompanying drawing 1 to 3,2, in below the through hole 20 and central axis 2 outsides above the left-hand thread spline housing 8 spline fitting 33 is arranged fixedly, between spline fitting 33 and left-hand thread spline housing 8, be installed with spring 34.Spline fitting 33 can further play the effect of location for left-hand thread spline housing 8 with the setting of spring 34.Spline fitting 33 and left-hand thread spline housing 8 all can adopt female spline.
Shown in accompanying drawing 1 to 3, there is the sealing ring that is no less than in the outside, top connection 1 bottom with between central axis 2 upper outside, central axis 2 upper outside reach radially between bypass part 5 upper inner, and there is the sealing ring that is no less than the top of inlet opening 16, expansion tube 3 upper inner have the sealing ring that is no less than between bypass part 5 outsides, expansion tube 3 upper inner have the sealing ring that is no less than between expansion cone 13 outsides, central axis 2 upper outside have the sealing ring that is no less than between expansion cone 13 inboards, lower contact 6 upper outside have the sealing ring that is no less than between expansion tube 3 lower inside, becoming inboard, snapping head 26 middle parts has the sealing ring that is no less than between the outside, central axis 2 bottoms, central axis 2 lower inside have the sealing ring that is no less than with joint ring 28 outsides.The setting of sealing ring can improve sealing performance of the present utility model.
Shown in accompanying drawing 1 to 3, top connection 1 upper inner has last screw thread 11, and there is following screw thread 14 in the outside, lower contact 6 bottoms.Expansion tube 3 outsides are installed with and are no less than one rubber ring
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: top connection 1 of the present utility model is fixedly installed togather with drill string by last screw thread 11, lower contact 6 is connected on the tail pipe pipe string by following screw thread 14, and according to design parameters by drilling rod behind the precalculated position, throw steel ball to ball seat 15 by ground, ground continues to suppress, high-pressure fluid will enter feed pathway 17 and enter the top of cavity 12 by inlet opening 16 radially, continuous increase along with pressure, it is descending that high-pressure fluid will drive expansion cone 13, expansion cone 13 is in descending process, to drive expansion tube 3 radially expands, the expanded radially of expansion tube 3, to fit tightly together with outer layer sleeve, thereby guaranteed the suspension operation to the bottom tail pipe, when expansion cone 13 comes downwards to through hole 20 belows, fluid will enter out sap cavity 10 by through hole 20, because the effect of pressure, fluid enters liquid outlet channel 19 and discharges outside of the present utility model by fluid hole 18 radially, meanwhile, system decompression, ground observation is that pump pressure descends rapidly, and the operation of expanding this moment is finished; After the expansion operation was finished, the ground rotating disk was implemented the dextrorotation operation to drill string, and when ground dextrorotation drill string, left-hand thread spline housing 8 carries out back-off operation with lower contact 6, and when back-off operation was finished, ground was carried and bored the operation of giving up that the utility model instrument is finished in operation.
Claims (17)
1. a non-well cementation formula expansion extension hanger is characterized in that comprising top connection, central axis, expansion tube, central tube, bypass part and lower contact; Top connection lower inside and central axis upper outside are fixedly installed togather, in the central axis outside expansion tube is arranged, expansion tube lower inside and lower contact upper outside are fixedly installed togather, form cavity between central axis and the expansion tube, the rubber ring that at least one is arranged in the external stability of expansion tube, be installed with change snapping head in the outside, lower end of central axis, in the inboard, lower end that becomes the snapping head boss is arranged, upper inner at central axis has ball seat, be installed with the bypass part on the central axis corresponding with ball seat, below the bypass part and the central axis between the expansion tube bending place be set with expansion cone, central axis above ball seat has radially inlet opening, the feed pathway that communicates with radially inlet opening and cavity is arranged respectively at the bypass part, be installed with central tube in the central axis between ball seat and boss, form sap cavity between central tube and the central axis, have and go out the radially fluid hole that sap cavity communicates at central axis, the liquid outlet channel that communicates with radially fluid hole and bypass part top outer is arranged on the bypass part respectively, the outside, central axis bottom is set with seat at the left-hand thread spline housing that becomes snapping crown portion, the outside of left-hand thread spline housing is fixedly installed togather by left-hand thread screw thread and lower contact upper inner, and the central axis between left-hand thread spline housing and expansion cone has through hole.
2. non-well cementation formula expansion extension hanger according to claim 1, it is characterized in that top connection lower inside and central axis upper outside are fixedly installed togather by screw thread, expansion tube lower inside and lower contact upper outside are fixedly installed togather by screw thread, be installed with the bypass part by screw thread on the central axis corresponding with ball seat, be installed with back of the body cap in the central axis outside of bypass part upper end by screw thread.
3. non-well cementation formula expansion extension hanger according to claim 1 and 2, it is characterized in that there is inner convex platform the ball seat lower end, the inner convex platform lower end is installed with sealing shroud, sealing shroud and the outside, central tube upper end are fixed together, in the outer end of fluid hole radially left seal plug is arranged fixedly, left side seal plug and bypass part are fixed together, in the outer end of inlet opening radially right seal plug is arranged fixedly, right seal plug and bypass part are fixed together, the boss upper end is installed with joint ring and is fixed together with the outside, central tube lower end, becomes snapping head lower inside and is installed with tubing nipple by screw thread.
4. non-well cementation formula expansion extension hanger according to claim 1 and 2, it is characterized in that bypass part upper outside has concave station, wheel ball bearing is fixedly arranged on the concave station, wheel ball bearing comprises dish, pellet shot from a slingshot and lower wall, last dish is installed in the top of lower wall, pellet shot from a slingshot is fixedly mounted between dish and the lower wall, and last dish is fixed together with concave station.
5. non-well cementation formula expansion extension hanger according to claim 3, it is characterized in that bypass part upper outside has concave station, wheel ball bearing is fixedly arranged on the concave station, wheel ball bearing comprises dish, pellet shot from a slingshot and lower wall, last dish is installed in the top of lower wall, pellet shot from a slingshot is fixedly mounted between dish and the lower wall, and last dish is fixed together with concave station.
6. non-well cementation formula expansion extension hanger according to claim 1 and 2 is characterized in that in below the through hole and the outside of the central axis above the left-hand thread spline housing spline fitting being arranged fixedly, is installed with spring between spline fitting and left-hand thread spline housing; Or/and, there is the sealing ring that is no less than in the outside, top connection bottom with between the central axis upper outside, the central axis upper outside reaches radially between bypass part upper inner, and there is the sealing ring that is no less than the top of inlet opening, the expansion tube upper inner has the sealing ring that is no less than between the bypass part outside, the expansion tube upper inner has the sealing ring that is no less than between the expansion cone outside, the central axis upper outside has the sealing ring that is no less than between the expansion cone inboard, the lower contact upper outside has the sealing ring that is no less than between the expansion tube lower inside, becoming snapping centriciput inboard has the sealing ring that is no less than between the outside, central axis bottom, the central axis lower inside has the sealing ring that is no less than with the joint ring outside.
7. non-well cementation formula expansion extension hanger according to claim 3 is characterized in that in below the through hole and the outside of the central axis above the left-hand thread spline housing spline fitting being arranged fixedly, is installed with spring between spline fitting and left-hand thread spline housing; Or/and, there is the sealing ring that is no less than in the outside, top connection bottom with between the central axis upper outside, the central axis upper outside reaches radially between bypass part upper inner, and there is the sealing ring that is no less than the top of inlet opening, the expansion tube upper inner has the sealing ring that is no less than between the bypass part outside, the expansion tube upper inner has the sealing ring that is no less than between the expansion cone outside, the central axis upper outside has the sealing ring that is no less than between the expansion cone inboard, the lower contact upper outside has the sealing ring that is no less than between the expansion tube lower inside, becoming snapping centriciput inboard has the sealing ring that is no less than between the outside, central axis bottom, the central axis lower inside has the sealing ring that is no less than with the joint ring outside.
8. non-well cementation formula expansion extension hanger according to claim 4 is characterized in that in below the through hole and the outside of the central axis above the left-hand thread spline housing spline fitting being arranged fixedly, is installed with spring between spline fitting and left-hand thread spline housing; Or/and, there is the sealing ring that is no less than in the outside, top connection bottom with between the central axis upper outside, the central axis upper outside reaches radially between bypass part upper inner, and there is the sealing ring that is no less than the top of inlet opening, the expansion tube upper inner has the sealing ring that is no less than between the bypass part outside, the expansion tube upper inner has the sealing ring that is no less than between the expansion cone outside, the central axis upper outside has the sealing ring that is no less than between the expansion cone inboard, the lower contact upper outside has the sealing ring that is no less than between the expansion tube lower inside, becoming snapping centriciput inboard has the sealing ring that is no less than between the outside, central axis bottom, the central axis lower inside has the sealing ring that is no less than with the joint ring outside.
9. non-well cementation formula expansion extension hanger according to claim 5 is characterized in that in below the through hole and the outside of the central axis above the left-hand thread spline housing spline fitting being arranged fixedly, is installed with spring between spline fitting and left-hand thread spline housing; Or/and, there is the sealing ring that is no less than in the outside, top connection bottom with between the central axis upper outside, the central axis upper outside reaches radially between bypass part upper inner, and there is the sealing ring that is no less than the top of inlet opening, the expansion tube upper inner has the sealing ring that is no less than between the bypass part outside, the expansion tube upper inner has the sealing ring that is no less than between the expansion cone outside, the central axis upper outside has the sealing ring that is no less than between the expansion cone inboard, the lower contact upper outside has the sealing ring that is no less than between the expansion tube lower inside, becoming snapping centriciput inboard has the sealing ring that is no less than between the outside, central axis bottom, the central axis lower inside has the sealing ring that is no less than with the joint ring outside.
10. non-well cementation formula expansion extension hanger according to claim 1 and 2 is characterized in that the top connection upper inner has last screw thread, and there is following screw thread in the outside, lower contact bottom; Or/and the expansion tube outside is installed with and is no less than one rubber ring.
11. non-well cementation formula expansion extension hanger according to claim 3 is characterized in that the top connection upper inner has last screw thread, there is following screw thread in the outside, lower contact bottom; Or/and the expansion tube outside is installed with and is no less than one rubber ring.
12. non-well cementation formula expansion extension hanger according to claim 4 is characterized in that the top connection upper inner has last screw thread, there is following screw thread in the outside, lower contact bottom; Or/and the expansion tube outside is installed with and is no less than one rubber ring.
13. non-well cementation formula expansion extension hanger according to claim 5 is characterized in that the top connection upper inner has last screw thread, there is following screw thread in the outside, lower contact bottom; Or/and the expansion tube outside is installed with and is no less than one rubber ring.
14. non-well cementation formula expansion extension hanger according to claim 6 is characterized in that the top connection upper inner has last screw thread, there is following screw thread in the outside, lower contact bottom; Or/and the expansion tube outside is installed with and is no less than one rubber ring.
15. non-well cementation formula expansion extension hanger according to claim 7 is characterized in that the top connection upper inner has last screw thread, there is following screw thread in the outside, lower contact bottom; Or/and the expansion tube outside is installed with and is no less than one rubber ring.
16. non-well cementation formula expansion extension hanger according to claim 8 is characterized in that the top connection upper inner has last screw thread, there is following screw thread in the outside, lower contact bottom; Or/and the expansion tube outside is installed with and is no less than one rubber ring.
17. non-well cementation formula expansion extension hanger according to claim 9 is characterized in that the top connection upper inner has last screw thread, there is following screw thread in the outside, lower contact bottom; Or/and the expansion tube outside is installed with and is no less than one rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220670523 CN203161141U (en) | 2012-12-07 | 2012-12-07 | Non-well-cementing expansion drilling liner hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220670523 CN203161141U (en) | 2012-12-07 | 2012-12-07 | Non-well-cementing expansion drilling liner hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203161141U true CN203161141U (en) | 2013-08-28 |
Family
ID=49022333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220670523 Withdrawn - After Issue CN203161141U (en) | 2012-12-07 | 2012-12-07 | Non-well-cementing expansion drilling liner hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203161141U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979470A (en) * | 2012-12-07 | 2013-03-20 | 中国石油集团西部钻探工程有限公司 | Uncemented expansion tail pipe hanger |
| CN103790534A (en) * | 2014-02-11 | 2014-05-14 | 中国石油集团西部钻探工程有限公司 | Expansion tail pipe hanging device |
| CN103758476B (en) * | 2014-01-03 | 2016-04-06 | 中国石油天然气股份有限公司 | Non-well cementation buckling type tail pipe hanger |
-
2012
- 2012-12-07 CN CN 201220670523 patent/CN203161141U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979470A (en) * | 2012-12-07 | 2013-03-20 | 中国石油集团西部钻探工程有限公司 | Uncemented expansion tail pipe hanger |
| CN102979470B (en) * | 2012-12-07 | 2015-08-19 | 中国石油集团西部钻探工程有限公司 | Non-well cementation formula expandable liner hanger |
| CN103758476B (en) * | 2014-01-03 | 2016-04-06 | 中国石油天然气股份有限公司 | Non-well cementation buckling type tail pipe hanger |
| CN103790534A (en) * | 2014-02-11 | 2014-05-14 | 中国石油集团西部钻探工程有限公司 | Expansion tail pipe hanging device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102979472B (en) | Expansion hanger | |
| CN203161141U (en) | Non-well-cementing expansion drilling liner hanger | |
| CN102996089A (en) | Multi-stage hydraulic expansion tail pipe suspension system with reducing expansion cone for horizontal well for thermal recovery of heavy oil | |
| CN204492719U (en) | A kind of ball-throwing type hydraulic pressure back-off is dual-purpose gives up | |
| CN102839941B (en) | Telescopic purpose lower sleeve slurry filling device | |
| CN202325333U (en) | Expandable liner hanger | |
| CN104295267A (en) | Automatic grouting integrated type drilling liner cementing pressure building ball seat device | |
| CN102373892B (en) | Expansion liner hanger | |
| CN102979470B (en) | Non-well cementation formula expandable liner hanger | |
| CN103244082A (en) | Flexible first-time sand control sandblasting technique pipe | |
| CN208686323U (en) | Huge discharge dual stage shoulder boring rod filter | |
| CN202745798U (en) | Layered water injection centering packer of directional well | |
| CN105201476A (en) | Sliding sleeve type hydraulic jetting device and pipe column with sliding sleeve type hydraulic jetting devices | |
| CN204225837U (en) | Built-in hydraulic cylinder-type swell packers | |
| CN202370464U (en) | Fixture block type releasing connector | |
| CN204186329U (en) | Band fluid cylinder expansion pipe hanger | |
| CN205277365U (en) | Speed is a hydraulic pressure seat packer for tubular column | |
| CN204729016U (en) | A kind of multipurpose drilling rod | |
| CN204186348U (en) | To build the pressure tee apparatus from the well cementation of grouting integral tail tube | |
| CN204899858U (en) | Radial well plain type recycle valve | |
| CN203441409U (en) | Expansion type tail pipe hanging device of thermal production well | |
| CN205477506U (en) | Hydraulic pressure is given up well head hanger and self -blowing favourable turn and is adopted integrated subassembly | |
| CN204200106U (en) | A kind of hydraulic casing centralizer | |
| CN202946068U (en) | Small-size expansion hanger | |
| CN216617475U (en) | Oil pipe pressure compensation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130828 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |