CN204186329U - Band fluid cylinder expansion pipe hanger - Google Patents
Band fluid cylinder expansion pipe hanger Download PDFInfo
- Publication number
- CN204186329U CN204186329U CN201420603114.0U CN201420603114U CN204186329U CN 204186329 U CN204186329 U CN 204186329U CN 201420603114 U CN201420603114 U CN 201420603114U CN 204186329 U CN204186329 U CN 204186329U
- Authority
- CN
- China
- Prior art keywords
- adapter sleeve
- fluid cylinder
- expansion tube
- swollen
- connecting rod
- 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
Abstract
The utility model discloses a kind of band fluid cylinder expansion pipe hanger, it comprise lower contact, ball seat, swollen plug cradle, swollen plug, left-hand thread are given up, adapter sleeve of giving up, C type anchor ring, cartridge, expansion tube, connecting rod, stop collar, shear pin, expansion tube adapter sleeve, piston-conveying pressure cover, pressure transmission hole, fluid cylinder, torsion pass connecting rod, fluid cylinder adapter sleeve and torsion pass joint.Swollen wall is beyond the Great Wall expanding gradually from top to bottom, has evaded bit freezing risk while the effective swollen envelope expansion tube of this design.Expansion tube sets the C type anchor ring devising the band anchor tooth extended out with type of structure innovation, strengthens anchoring ability.It is multistage that band hydraulic cylinder structure can repeat installation, makes full use of pressure, multistage linking, drive the abundant distending expansion tube of swollen plug.In addition, design permission of the present utility model two kinds of modes of giving up, one is that conventional hydraulic is given up, and automatically puts aside after swollen envelope completes, and one is emergent giving up, and gives up once the rotatable machinery of card met by expand tube, can assurance function and safety.
Description
Technical field
The utility model relates to drilling liner cementing completion technique field, especially a kind of band fluid cylinder expansion pipe hanger.
Background technology
Expansion tube is mainly used in casing failure subsidy technology and sidetracked hole completion technique field.Inflatable sleeves Manifold technology really realizes the single hole diameter oil well shaft building from well head to target zone, significantly can reduce drilling cost, have again good environment protecting.In addition, in sidetracked hole, also have potential benefit through milling window expander mounting tube, reduce the cost heavily bored, make the internal diameter loss reduction of casing string, target zone well is larger.
Extension hanger is the core tool realizing drilling liner cementing, extension hanger and tail pipe are contacted and are connect, by running tool, extension hanger and tail pipe string are delivered to planned well section, hanger carries out well cementing operation, proposition running tool after completing after sitting in the sleeve pipe of upper strata and hanging.The extensive use but still there are some drawbacks of conventional hanger, usually can not rotate, generally do not possess sealing function, under enter the easy clashing and breaking of slips in process, comparatively outstanding at deep-well, high angle hole and net horizontal section, affect drilling liner cementing quality and success rate.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of band fluid cylinder expansion pipe hanger can evading bit freezing risk.
In order to solve the problems of the technologies described above, the utility model comprises the torsion pass joint be threaded successively from top to bottom, fluid cylinder adapter sleeve, fluid cylinder, expansion tube adapter sleeve, expansion tube and lower contact, described lower contact inner thread is connected with a ball seat, be threaded above described ball seat swollen plug cradle from down to up successively, to give up adapter sleeve, left-hand thread is given up, connecting rod, piston-conveying pressure cover and torsion pass connecting rod, described swollen plug cradle and giving up also to be provided with between adapter sleeve one can swollen envelope expansion tube swollen plug and this swollen plug sleeve is contained on swollen plug cradle outer wall, described swollen wall is beyond the Great Wall expanding gradually from top to bottom, described expansion tube adapter sleeve inwall lower end is connected with a stop collar by shear pin and this stop collar is sleeved on connecting rod, described shear pin is sheared that rear stop collar is up can be connected in expansion tube adapter sleeve, described left-hand thread is given up, and upper end and stop collar lower end are also corresponding up and down to be arranged, described piston-conveying pressure cover is sealed and matched with fluid cylinder and fluid cylinder inside is divided into upper and lower two plunger shaft by this piston-conveying pressure cover, this piston-conveying pressure cover middle part is designed with the pressure transmission hole being communicated with fluid cylinder lower piston chamber and hanger inner chamber, described torsion pass connecting rod and torsion pass joint lower end inner wall are sealed and matched, described expansion tube outer wall is also provided with multiple spaced C type anchor ring and cartridge.
Described left-hand thread gives up outer wall last week to being formed with the flange of a circle for adapter sleeve location and installation of giving up.
The beneficial effects of the utility model are:
1, the utility model expansion pipe hanger exposed parts is few, area of passage large, have the features such as packing function, avoids phenomenons such as sitting extension and part injury in advance, touch off occurs.Bunch tube can be driven in cementing, displacement process to rotate, annular space displacement efficiency, cementing quality can be significantly improved.
2, bit freezing risk has been evaded while the effective swollen envelope expansion tube of the design of swollen plug.
3, design permission of the present utility model two kinds of modes of giving up, one is that conventional hydraulic is given up, and automatically puts aside after swollen envelope completes, and one is emergent giving up, and gives up once the rotatable machinery of card met by expand tube, can assurance function and safety.
4, expansion tube sets the C type anchor ring devising the band anchor tooth extended out with type of structure innovation, strengthens anchoring ability.
5, be with hydraulic cylinder structure can repeat installation multistage, make full use of pressure, multistage linking, drive the abundant distending expansion tube of swollen plug.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model band fluid cylinder expansion pipe hanger.
Detailed description of the invention
See Fig. 1, band fluid cylinder expansion pipe hanger of the present utility model comprises the torsion pass joint 19 be threaded successively from top to bottom, fluid cylinder adapter sleeve 18, fluid cylinder 16, expansion tube adapter sleeve 13, expansion tube 9 and lower contact 1, described lower contact 1 inner thread is connected with a ball seat 2, be threaded above described ball seat 2 swollen plug cradle 3 from down to up successively, to give up adapter sleeve 6, left-hand thread gives up 5, connecting rod 10, piston-conveying pressure cover 14 and torsion pass connecting rod 17, described swollen plug cradle 3 and giving up also to be provided with between adapter sleeve 6 one can swollen envelope expansion tube 9 swollen plug 4 and this swollen plug 4 is sleeved on swollen plug cradle 3 outer wall, described swollen plug 4 outer wall is expanding gradually from top to bottom, described expansion tube adapter sleeve 13 inwall lower end is connected with a stop collar 11 by shear pin 12 and this stop collar 11 is sleeved on connecting rod 10, described shear pin 12 is sheared that rear stop collar 11 is up can be connected in expansion tube adapter sleeve 13, described left-hand thread is given up, and 5 upper ends and stop collar 11 lower end are also corresponding up and down to be arranged, described piston-conveying pressure cover 14 is sealed and matched with fluid cylinder 16 and this piston-conveying pressure overlaps 14 that fluid cylinder 16 inside is divided into upper and lower two plunger shaft, the pressure transmission hole 15 being communicated with fluid cylinder 16 lower piston chamber and hanger inner chamber is designed with in the middle part of this piston-conveying pressure cover 14, described torsion pass connecting rod 17 is sealed and matched with torsion pass joint 19 lower end inner wall, described expansion tube 9 outer wall is also provided with multiple spaced C type anchor ring 7 and cartridge 8.
Described left-hand thread gave up for 5 outer wall last weeks to being formed with the flange of a circle for adapter sleeve 6 location and installation of giving up.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
The utility model expansion pipe hanger comprises lower contact 1, ball seat 2, swollen plug cradle 3, swollen plug 4, left-hand thread are given up 5, adapter sleeve 6 of giving up, C type anchor ring 7, cartridge 8, expansion tube 9, connecting rod 10, stop collar 11, shear pin 12, expansion tube adapter sleeve 13, piston-conveying pressure cover 14, pressure transmission hole 15, fluid cylinder 16, torsion pass connecting rod 17, fluid cylinder adapter sleeve 18 and torsion pass joint 19.
There is screw buckle corresponding to drilling rod torsion pass joint 19 upper end, and torsion pass joint 19 lower end outer wall is connected with fluid cylinder adapter sleeve spiral shell 18 line.Fluid cylinder adapter sleeve 18 lower end is threaded with fluid cylinder 16, fluid cylinder 16 lower end is threaded expansion tube adapter sleeve 13, expansion tube adapter sleeve 13 lower end is threaded with expansion tube 9, and expansion tube 9 outer wall is designed with multiple cartridge 8 and C type anchor ring 7, C type anchor ring 7 is with anchor tooth can extend out with type.Expansion tube 9 lower end is threaded lower contact 1, the joint screw thread button that the design of lower contact 1 lower end is corresponding with lower tool, lower contact 1 upper end inner thread connection ball seat 2.Torsion pass joint 19 lower end inner wall and torsion pass connecting rod 17 are sealed and matched, torsion pass connecting rod 17 lower end and piston-conveying pressure overlap 14 and are threaded, piston-conveying pressure cover 14 is sealed and matched with fluid cylinder 16, be designed with pressure transmission hole 15 in the middle part of piston-conveying pressure cover 14, pressure transmission hole 15 is communicated with fluid cylinder 16 lower piston chamber and hanger inner chamber.Piston-conveying pressure overlaps 14 bottoms and is threaded with connecting rod 10, connecting rod 10 outer wall cover limited location cover 11, shear pin 12 is designed with between stop collar 11 and expansion tube adapter sleeve 13, connecting rod 10 bottom and left-hand thread are given up and 5 to be threaded, left-hand thread 5 lower ends of giving up are designed with adapter sleeve 6 of giving up, give up adapter sleeve 6 upper end and left-hand thread is given up and 5 to be connected by left hand thread, and adapter sleeve 6 lower end of giving up is connected with swollen plug 4 cradle 3, and swollen plug 4 is fixed on swollen plug 4 cradle 3 outer wall by both.Swollen plug 4 outer wall is expanding gradually from top to bottom, has evaded bit freezing risk while the effective swollen envelope expansion tube 9 of this design.
The utility model band fluid cylinder expansion pipe hanger operating principle is: before entering well, ground assembling expansion hanger and running tool thereof, after predetermined well depth, pitching is to ball seat 2, suppress, liquid enters fluid cylinder 16 lower piston chamber by pressure transmission hole 15, drive connecting rod 10, left-hand thread gives up 5, to give up adapter sleeve 6, swollen plug cradle 3, swollen plug 4 moves upward together, swollen plug 4 distending expansion tube 9, C type anchor ring 7 kills tube wall simultaneously, cartridge 8 distending plays sealing function, when expansion tube 9 distending completely, stop collar 11 lower end is pushed up in left-hand thread 5 upper ends of giving up, cut off shear pin 12, expansion mechanism and above whole pipe string can be tripped out.If card met by expand tube, do not give up by hydraulic structure, rotatable tubing string, trips out expansion mechanism and above whole pipe string from left-hand thread back-off sub 5.In addition, it is multistage that band hydraulic cylinder structure can repeat installation, makes full use of pressure, multistage linking, drive the abundant distending expansion tube of swollen plug.
In sum, content of the present utility model is not limited in the above-described embodiment, and those skilled in the art can propose other embodiment within technological guidance's thought of the present utility model, but these embodiments are all included within scope of the present utility model.
Claims (2)
1. a band fluid cylinder expansion pipe hanger, it is characterized in that: comprise the torsion pass joint (19) be threaded successively from top to bottom, fluid cylinder adapter sleeve (18), fluid cylinder (16), expansion tube adapter sleeve (13), expansion tube (9) and lower contact (1), described lower contact (1) inner thread is connected with a ball seat (2), be threaded above described ball seat (2) swollen plug cradle (3) from down to up successively, to give up adapter sleeve (6), left-hand thread is given up (5), connecting rod (10), piston-conveying pressure cover (14) and torsion pass connecting rod (17), also be provided with between described swollen plug cradle (3) and adapter sleeve of giving up (6) one can swollen envelope expansion tube (9) swollen plug (4) and this swollen plug (4) is sleeved on swollen plug cradle (3) outer wall, described swollen plug (4) outer wall is expanding gradually from top to bottom, described expansion tube adapter sleeve (13) inwall lower end is connected with a stop collar (11) by shear pin (12) and this stop collar (11) is sleeved on connecting rod (10), described shear pin (12) is sheared that rear stop collar (11) is up can be connected in expansion tube adapter sleeve (13), described left-hand thread is given up, and (5) upper end and stop collar (11) lower end are also corresponding up and down to be arranged, described piston-conveying pressure cover (14) and fluid cylinder (16) are sealed and matched and fluid cylinder (16) inside is divided into upper and lower two plunger shaft by this piston-conveying pressure cover (14), this piston-conveying pressure cover (14) middle part is designed with the pressure transmission hole (15) being communicated with fluid cylinder (16) lower piston chamber and hanger inner chamber, described torsion pass connecting rod (17) and torsion pass joint (19) lower end inner wall are sealed and matched, described expansion tube (9) outer wall is also provided with multiple spaced C type anchor ring (7) and cartridge (8).
2. according to expansion pipe hanger according to claim 1, it is characterized in that: described left-hand thread gives up (5) outer wall last week to being formed with the flange of a circle for adapter sleeve of giving up (6) location and installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420603114.0U CN204186329U (en) | 2014-10-19 | 2014-10-19 | Band fluid cylinder expansion pipe hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420603114.0U CN204186329U (en) | 2014-10-19 | 2014-10-19 | Band fluid cylinder expansion pipe hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204186329U true CN204186329U (en) | 2015-03-04 |
Family
ID=52618339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420603114.0U Active CN204186329U (en) | 2014-10-19 | 2014-10-19 | Band fluid cylinder expansion pipe hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204186329U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524428A (en) * | 2017-08-11 | 2017-12-29 | 中国石油集团渤海钻探工程有限公司 | A kind of swollen cone of hydraulic thrust of coiled tubing conveying expandable screen |
| CN107989570A (en) * | 2018-01-09 | 2018-05-04 | 高云东 | A kind of sump packer |
-
2014
- 2014-10-19 CN CN201420603114.0U patent/CN204186329U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524428A (en) * | 2017-08-11 | 2017-12-29 | 中国石油集团渤海钻探工程有限公司 | A kind of swollen cone of hydraulic thrust of coiled tubing conveying expandable screen |
| CN107989570A (en) * | 2018-01-09 | 2018-05-04 | 高云东 | A kind of sump packer |
| CN107989570B (en) * | 2018-01-09 | 2024-04-12 | 东营市昌瑞石油机械配件有限责任公司 | Sand setting packer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108716379A (en) | A kind of solvable bridge plug of big orifice | |
| CN201460778U (en) | Expansion pipe type tail pipe hanger | |
| CN103573211B (en) | A kind of composite bridge plug and central canal thereof | |
| CN208792974U (en) | A kind of dual-grip, can bore remove, solvable bridge plug | |
| CN101614117A (en) | A kind of expansion tube type liner hanger | |
| CN105888639A (en) | Feeding-controlling full-bore sliding sleeve sectional fracturing tube column | |
| CN204186329U (en) | Band fluid cylinder expansion pipe hanger | |
| CN204492719U (en) | A kind of ball-throwing type hydraulic pressure back-off is dual-purpose gives up | |
| CN109138880A (en) | Bidirectionally anchoring device | |
| CN102747982B (en) | Hydraulic mechanical integrated bridge plug | |
| CN208734311U (en) | A kind of permanent type well completion packer that mechanical can be given up | |
| CN207048760U (en) | A kind of ball-throwing type full-bore fracturing sliding bush | |
| CN103321600B (en) | A kind of back-off releasing gadget of hydraulic starting | |
| CN204186330U (en) | Expansion pipe hanger | |
| CN206681707U (en) | Hammering oil discharger | |
| CN110700779B (en) | Integral water plugging pipe column suitable for plugging shale gas horizontal well | |
| CN203515462U (en) | Composite bridge plug and central pipe thereof | |
| CN209040783U (en) | Bidirectionally anchoring device | |
| CN102268974B (en) | Special tail pipe hanging packing assembly for shallow horizontal well | |
| CN207111019U (en) | Combined type junk mill for different hole diameters | |
| CN105178906B (en) | Compound action layering vapour drives packer | |
| CN203161141U (en) | Non-well-cementing expansion drilling liner hanger | |
| CN204252930U (en) | Fracturing packer | |
| CN107542422A (en) | The milling method and combined type junk mill and application method of different hole diameters | |
| CN102808604B (en) | Pressure break high pressure packing filling body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210202 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Huanghai Road 106 Bohai Drilling Engineering Co., Ltd. science and Technology Development Office Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right |