CN204113202U - Water Self-expandable packer met by a kind of oil of meeting - Google Patents
Water Self-expandable packer met by a kind of oil of meeting Download PDFInfo
- Publication number
- CN204113202U CN204113202U CN201420508802.9U CN201420508802U CN204113202U CN 204113202 U CN204113202 U CN 204113202U CN 201420508802 U CN201420508802 U CN 201420508802U CN 204113202 U CN204113202 U CN 204113202U
- Authority
- CN
- China
- Prior art keywords
- ring
- self
- packing element
- expanding packing
- spacing 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.)
- Expired - Fee Related
Links
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model provides a kind of oil of meeting and meets water Self-expandable packer, it includes a base tube, one self-expanding packing element and two ring assemblies, described self-expanding packing element and ring assemblies are set on described base tube respectively, and the corresponding two ends place adjacent to described base tube of ring assemblies described in two, described ring assemblies includes an end ring and a spacing ring be made up of rubber, described end ring is fixed on described base tube, the end diameter reducing of described self-expanding packing element is formed with a male cone (strobilus masculinus), the inner peripheral surface of described spacing ring is an inner conical surface matched with described male cone (strobilus masculinus), described spacing ring is set on the male cone (strobilus masculinus) of described self-expanding packing element by described inner conical surface correspondence, wherein, described end ring extends to form a ring ear vertically relative to described spacing ring, described ring ear correspondence is pressed together on described spacing ring.The utility model is by arranging ring assemblies at the two ends of self-expanding packing element, and then restriction self-expanding packing element axial expansion operationally, to reach good sealing effectiveness, overcomes the defect of prior art.
Description
Technical field
The utility model relates in oil and gas exploitation field, and the one in the technological measures such as particularly drilling well, completion well cementation, reservoir reconstruction is met oil and met water Self-expandable packer.
Background technology
Self-expandable packer is a kind of underground operation tool, and its effect is separated by interval full well oil-gas Layer, so that the technical measures of layerwise production or enforcement necessity.Self-expandable packer forms primarily of base tube, end ring and self-expanding packing element.In the Self-expandable packer of open use at present, after self-expanding packing element chance oil or water expand, the common end ring at its two ends cannot stop the axial expansion of self-expanding packing element and extrude to be torn, and causes the very difficult raising of the sealability of self-expanding packing element.
Separately there are some Self-expandable packers, that thermoplasticity baffle ring is set at the two ends of self-expanding packing element, initially there is swelling behavior faster, self-expanding packing element just slowly expands subsequently, although the axial expansion of self-expanding packing element can be limited at initial thermoplasticity baffle ring, but still there is gap between phase thermoplasticity end ring and the borehole wall upon inflation, the axial expansion of packing element cannot be stoped completely; Or also having part Self-expandable packer, is arrange metal outburst prevention device at the two ends of self-expanding packing element, but this outburst prevention device makes complicated, and the axis after can not effectively stoping self-expanding swell rubber is extruded, and its sealing performance cannot increase substantially.
In view of this, the design people, according to the Production design experience being engaged in this area and association area for many years, develops a kind of oil of meeting and meets water Self-expandable packer, to solving prior art Problems existing.
Utility model content
The purpose of this utility model is to provide a kind of oil of meeting to meet water Self-expandable packer, by arranging ring assemblies at the two ends of self-expanding packing element, and then restriction self-expanding packing element axial expansion operationally, to reach good sealing effectiveness, overcome the defect of prior art.
For this reason, the utility model proposes a kind of oil of meeting and meet water Self-expandable packer, described chance oil is met water Self-expandable packer and is included a base tube, one self-expanding packing element and two ring assemblies, described self-expanding packing element and ring assemblies are set on described base tube respectively, and the corresponding two ends place adjacent to described base tube of ring assemblies described in two, described ring assemblies includes an end ring and a spacing ring be made up of rubber, described end ring is fixed on described base tube, the end diameter reducing of described self-expanding packing element is formed with a male cone (strobilus masculinus), the inner peripheral surface of described spacing ring is an inner conical surface matched with described male cone (strobilus masculinus), described spacing ring is set on the male cone (strobilus masculinus) of described self-expanding packing element by described inner conical surface correspondence, wherein, described end ring extends to form a ring ear vertically relative to described spacing ring, described ring ear correspondence is pressed together on described spacing ring.
Water Self-expandable packer met by chance oil as above, wherein, one end that described spacing ring is corresponding to described ring ear is circumferentially formed with chamfering, and the medial surface of described ring ear is formed as the conical surface matched with described chamfering, and described ring ear is pressed together on described chamfering place by described conical surface correspondence.
Water Self-expandable packer met by chance oil as above, and wherein, described end ring is connected and fixed by screw and described base tube, and described spacing ring and described self-expanding packing element are adhesively fixed.
Water Self-expandable packer met by chance oil as above, and wherein, described spacing ring is made up of butyl rubber, EP rubbers, butadiene rubber, acrylonitrile-butadiene rubber or neoprene.
Water Self-expandable packer met by the chance oil that the utility model proposes, structure is practical, easy to operate, male cone (strobilus masculinus) is formed by the end diameter reducing at self-expanding packing element, and utilize the inner conical surface of spacing ring in ring assemblies to be set in male cone (strobilus masculinus), at chance oil, during water-swellable, swelling along with self-expanding packing element, the spacing ring at its two ends can be out of shape thereupon, because spacing ring is made up of rubber, therefore enough intensity is had to wrap the end of self-expanding packing element, to protect the end of self-expanding packing element, prevention self-expanding packing element is swelling to be extruded vertically, and the sealing performance significantly improved between Self-expandable packer and the borehole wall, simultaneously, cooperatively interacted by the conical surface of ring ear of end ring and the chamfering of spacing ring, thus better protect spacing ring.
Accompanying drawing explanation
Fig. 1 is that water Self-expandable packer composition structural representation met by chance of the present utility model oil.
Critical element label declaration:
1 base tube 2 self-expanding packing element
21 male cone (strobilus masculinus) 3 ring assemblies
31 end ring 32 spacing rings
321 inner conical surface 33 screws
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model be described:
Fig. 1 is that water Self-expandable packer composition structural representation met by chance of the present utility model oil.
See Fig. 1, water Self-expandable packer met by the chance oil that the utility model proposes, include base tube 1, self-expanding packing element 2 and two ring assemblies 3, described self-expanding packing element 2 and ring assemblies 3 are set on described base tube 1 respectively, and ring assemblies 3 correspondence described in two is adjacent to the two ends place of described base tube 1, wherein:
Described ring assemblies 3 includes end ring 31 and the spacing ring be made up of rubber 32, described end ring 31 is fixed on described base tube 1, the end diameter reducing of described self-expanding packing element 2 is formed with a male cone (strobilus masculinus) 21, the inner peripheral surface of described spacing ring 32 is an inner conical surface 321 matched with described male cone (strobilus masculinus) 21, described spacing ring 32 is set on the male cone (strobilus masculinus) 21 of described self-expanding packing element by described inner conical surface 321 correspondence, wherein, described end ring 31 extends to form a ring ear 311 vertically relative to described spacing ring 32, and described ring ear 311 correspondence is pressed together on described spacing ring 32.Mated with the mutual of inner conical surface 321 by male cone (strobilus masculinus) 21, when self-expanding packing element 2 expands, be both conducive to spacing ring 32 distending thereupon, have again enough intensity protection self-expanding packing elements 2.
Preferably, described spacing ring 32 is circumferentially formed with chamfering (not indicating in figure) in the one end corresponding to described ring ear 311, the medial surface of described ring ear 311 is formed as the conical surface (not indicating in figure) matched with described chamfering, and described ring ear 311 is pressed together on described chamfering place by described conical surface correspondence.In real work, cooperatively interacted by the conical surface of ring ear and the chamfering of spacing ring, thus can better spacing ring be protected.
Wherein, described end ring 31 is fixed by screw 33 and described base tube 1; and described spacing ring 32 is adhesively fixed with described self-expanding packing element 2; namely; each described spacing ring 32 is fixed on the corresponding conical surface in described self-expanding packing element 2 two ends by adhesive technologys such as glue; expand with self-expanding packing element mobile, play the function of real-time guard self-expanding packing element end.In addition, preferred described spacing ring 32 is made up of butyl rubber, EP rubbers, butadiene rubber, acrylonitrile-butadiene rubber or neoprene, thus, according to concrete operating mode, can have preferably oil resistant, water resistance.In addition, in actual use, also can make to form gap (as matched in clearance) between end ring 31 and base tube 1 external surface, to leave the more convenient oil in space, water equal solvent seepage flow to the end of self-expanding packing element 2, accelerate speed of expansion.
Refer to Fig. 1, water Self-expandable packer met by the chance oil that the utility model proposes, in actual applications, male cone (strobilus masculinus) 21 is formed by the end diameter reducing at self-expanding packing element 2, and utilize the inner conical surface 321 of spacing ring 32 in ring assemblies 3 to be set on male cone (strobilus masculinus) 21, oil is met at self-expanding packing element 2, during water-swellable, the spacing ring 32 at its two ends can be out of shape thereupon, because spacing ring 32 is made up of rubber, therefore enough intensity is had to wrap the end of self-expanding packing element 2, to protect the end of self-expanding packing element 2, prevention self-expanding packing element 2 is swelling to be extruded vertically, and the sealing performance significantly improved between Self-expandable packer and the borehole wall.
The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (5)
1. meet oil chance water Self-expandable packer for one kind, it is characterized in that, described chance oil is met water Self-expandable packer and is included a base tube, one self-expanding packing element and two ring assemblies, described self-expanding packing element and ring assemblies are set on described base tube respectively, and the corresponding two ends place adjacent to described base tube of ring assemblies described in two, described ring assemblies includes an end ring and a spacing ring be made up of rubber, described end ring is fixed on described base tube, the end diameter reducing of described self-expanding packing element is formed with a male cone (strobilus masculinus), the inner peripheral surface of described spacing ring is an inner conical surface matched with described male cone (strobilus masculinus), described spacing ring is set on the male cone (strobilus masculinus) of described self-expanding packing element by described inner conical surface correspondence, wherein, described end ring extends to form a ring ear vertically relative to described spacing ring, described ring ear correspondence is pressed together on described spacing ring.
2. water Self-expandable packer met by oil of meeting as claimed in claim 1, it is characterized in that, one end that described spacing ring is corresponding to described ring ear is circumferentially formed with chamfering, the medial surface of described ring ear is formed as the conical surface matched with described chamfering, and described ring ear is pressed together on described chamfering place by described conical surface correspondence.
3. water Self-expandable packer met by oil of meeting as claimed in claim 1 or 2, and it is characterized in that, described end ring is fixed by screw and described base tube, and described spacing ring and described self-expanding packing element are adhesively fixed.
4. water Self-expandable packer met by oil of meeting as claimed in claim 3, and it is characterized in that, described spacing ring is made up of butyl rubber, EP rubbers, butadiene rubber, acrylonitrile-butadiene rubber or neoprene.
5. water Self-expandable packer met by oil of meeting as claimed in claim 1, and it is characterized in that, described spacing ring is made up of butyl rubber, EP rubbers, butadiene rubber, acrylonitrile-butadiene rubber or neoprene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420508802.9U CN204113202U (en) | 2014-09-04 | 2014-09-04 | Water Self-expandable packer met by a kind of oil of meeting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420508802.9U CN204113202U (en) | 2014-09-04 | 2014-09-04 | Water Self-expandable packer met by a kind of oil of meeting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113202U true CN204113202U (en) | 2015-01-21 |
Family
ID=52330526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420508802.9U Expired - Fee Related CN204113202U (en) | 2014-09-04 | 2014-09-04 | Water Self-expandable packer met by a kind of oil of meeting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113202U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100581A (en) * | 2017-06-01 | 2017-08-29 | 中国石油集团渤海钻探工程有限公司 | A kind of big orifice combined type Self-expandable packer |
| CN109138940A (en) * | 2017-06-28 | 2019-01-04 | 中国石油天然气股份有限公司 | Completion tubular column |
| CN109356546A (en) * | 2018-11-28 | 2019-02-19 | 中国石油集团渤海钻探工程有限公司 | A kind of Anti-erosion high temperature and pressure packer |
-
2014
- 2014-09-04 CN CN201420508802.9U patent/CN204113202U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100581A (en) * | 2017-06-01 | 2017-08-29 | 中国石油集团渤海钻探工程有限公司 | A kind of big orifice combined type Self-expandable packer |
| CN109138940A (en) * | 2017-06-28 | 2019-01-04 | 中国石油天然气股份有限公司 | Completion tubular column |
| CN109356546A (en) * | 2018-11-28 | 2019-02-19 | 中国石油集团渤海钻探工程有限公司 | A kind of Anti-erosion high temperature and pressure packer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB2517365A (en) | Packing element backup system | |
| CN204113202U (en) | Water Self-expandable packer met by a kind of oil of meeting | |
| WO2009139806A3 (en) | High circulation rate packer and setting method for same | |
| GB201318899D0 (en) | Downhole apparatus | |
| WO2006113338A3 (en) | Encapsulated back-up system for use with seal system | |
| GB2560667A (en) | Well abandonment tool and method of use | |
| WO2012005874A3 (en) | Mitigating leaks in production tubulars | |
| BR112017024171A2 (en) | expandable metal wellbore tubular | |
| CN103225489B (en) | A kind of Self-expandable packer | |
| CN204113203U (en) | A kind of Self-expandable packer with protrusion-dispelling function | |
| CN105221097B (en) | Inflatable sealing device for packer and the packer including it | |
| CN104563900A (en) | Metal rubber bearing and sealing-based expandable liner hanger joint | |
| CN104563953A (en) | Double-layer steel pipe expansion type pipe external casing packer | |
| CN201915892U (en) | Expansion packer | |
| CN204113166U (en) | expansion hanger | |
| CN204899838U (en) | Compound bridging plug of ball cage | |
| CN107989568A (en) | A kind of multistage can desealed water-swelling packer and method | |
| CN203702076U (en) | Combined rubber sleeve packer | |
| WO2017052378A3 (en) | Methods for placing a barrier material in a wellbore to permanently leave tubing in casing for permanent wellbore abandonment | |
| CN204402383U (en) | A kind of expandable liner hanger joint carrying based on metal-rubber and seal | |
| MX2017014861A (en) | Method and apparatus for sealing an annulus around a drill-pipe when drilling down-hole. | |
| CN205778709U (en) | Cement mortar hole sealing device | |
| CN103556969A (en) | Self-expandable packer | |
| CN206376784U (en) | A kind of casing damaged well self-expanding rubber patch device | |
| CN104265218A (en) | Expansion hanger |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 |