CN201517390U - Anchor expanding type double rubber barrel packer - Google Patents
Anchor expanding type double rubber barrel packer Download PDFInfo
- Publication number
- CN201517390U CN201517390U CN2009202195579U CN200920219557U CN201517390U CN 201517390 U CN201517390 U CN 201517390U CN 2009202195579 U CN2009202195579 U CN 2009202195579U CN 200920219557 U CN200920219557 U CN 200920219557U CN 201517390 U CN201517390 U CN 201517390U
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- CN
- China
- Prior art keywords
- barrels
- packing element
- sealing
- rubber
- packer
- 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
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Abstract
The utility model relates to an anchor expanding type double rubber barrel packer. An upper joint, an inner pipe and a lower joint are sequentially connected, a plurality of slip blocks surround in a circumference and are vulcanized with rubber barrels to be integrally sheathed in the inner pipe, the slip blocks are arranged on surfaces at two ends, two bow shapes are longitudinally arranged on the slip block and are concave inwards, the width of two indents is narrow, sealing barrels are fixed in two inward concave portions, two sealing barrels and rubber barrels form an integrated body, an inner conical hole on the lower portion of the upper joint is sheathed on the upper portion of the rubber barrel, the inner conical hole on the upper portion of the lower joint is sheathed on the lower portion of the rubber barrel, a link groove is arranged on the inner pipe, the slip blocks are outwardly protruded to be contacted with a casing pipe when rubber barrels are expanded, the slip blocks are anchored on the casing pipe under the function of teeth, and two sealing barrels can also be expanded to be contacted with the casing pipe and to seal an annular space of an oil casing pipe. The anchor expanding type double rubber barrel packer can seal and anchor water injection tubular columns, and can prevent tubular columns from writhing when in sealing state. The rubber barrels cannot be damaged by shearing, the anchor expanding type double rubber barrel packer can enhance service lives of packers and has two sealing barrels, and the packer has the advantages of good sealing and greatly economic benefits.
Description
Technical field
The utility model is the packer that separated-zone water infection oil field or pressure break are used, and is the two Tubing Packer of a kind of grappling expanding.
Background technology
The inflatable packer that oil-field flooding is used is that packing element expands outwardly when the packing element internal pressure is higher than the packing element external pressure, realization sealing oil casing annular space.Present inflatable packer can not be anticreep.When water injection well stopped for some reason to annotate and recovers water filling, water injection string can extend and shorten, and promptly tubing string produces wriggling.When tubing string produces wriggling, because packing element do not regain, and produces friction between the sleeve pipe, make packing element shear failure, packer can not Sealed casing pipe during water filling, does not reach the purpose of seperated layer water injection.
Summary of the invention
The purpose of this utility model provides the two Tubing Packer of a kind of grappling expanding, can carry out grappling to water injection string, can prevent that tubing string from producing wriggling, improves the application life of packer.
The purpose of this utility model is achieved in that by top connection, interior pipe, packing element, slip segment, lower contact is formed, top connection top is connected with interior pipe top, interior pipe bottom is connected with lower contact top, several slip segments surround circumference and packing element is sulfided into one, after slip segment and packing element are sulfided into one, inwall all is a packing element, slip segment is in the surface at two ends, there is crankle at the slip segment two ends, slip segment have on vertically two arc, two arc indents, recess narrowed width in two places, recess is filled sealing drum in two places, two sealing drums and packing element are one, and outside the pipe, top connection bottom internal taper hole entangled packing element top in slip segment and packing element were sulfided into and are sleeved on after the one, lower contact top internal taper hole entangles the packing element bottom, and UNICOM's groove is arranged on the interior pipe.
There are teeth at slip segment external surface two ends.
The beneficial effects of the utility model are: make two ends encase the slip segment of packing element to evagination during the packing element expansion, contact with sleeve pipe, under the teeth effect, it is anchored on the sleeve pipe, two sealing drums were also expanded and can be contacted and seal oil casing annular space with sleeve pipe this moment, therefore, the utility model can seal and grappling water injection string, can prevent that tubing string from producing wriggling when sealing state, shear failure can not take place in packing element, can improve the application life of packer, the utility model has two sealing drums, good airproof performance, therefore, the utlity model has remarkable economic efficiency.
Description of drawings
Accompanying drawing 1 is a structure assembling drawing of the present utility model.
Accompanying drawing 2 is the profiles after cutting open from A-A in the accompanying drawing 1.
The specific embodiment
By top connection 1, interior pipe 2, packing element 3, slip segment 4, lower contact 5 is formed, top connection 1 top is connected with interior pipe 2 tops, interior pipe 2 bottoms are connected with lower contact 5 tops, several slip segments 4 surround circumference and packing element 3 is sulfided into one, after slip segment 4 is sulfided into one with packing element 3, inwall all is a packing element, slip segment 4 is in the surface at two ends, there is crankle at slip segment 4 two ends, be convenient to and firm the bonding together of packing element, slip segment have on vertically two arc, two arc indents, recess narrowed width in two places, recess is filled sealing drum 6 (as shown in Figure 2) in two places, also fill sealing drum 6 (as shown in Figure 2) between slip segment 4 and the slip segment 4, two sealing drums 6 are one with packing element 3, and slip segment 4 is sleeved on outside the interior pipe 2 after being sulfided into one with packing element 3, and top connection 1 bottom internal taper hole entangles packing element 3 tops, lower contact 5 top internal taper holes entangle packing element 3 bottoms, prevent that packing element 3 from coming off.On the interior pipe 2 UNICOM's groove 7 is arranged, make the inner and oil pipe UNICOM of packing element, transmit pressure.There are teeth at slip segment 4 external surface two ends, the utility model can be anchored on the sleeve pipe.
During water filling, injecting the UNICOM groove 7 of water on interior pipe 2 enters in the packing element 3, under differential pressure action, make its expansion, two packing elements 6 all tightly are posted on the internal surface of sleeve pipe, thereby fine sealing oil casing annular space makes slip segment 4 that two ends encase packing element 3 to evagination during packing element 3 expansion, contact with sleeve pipe, under the teeth effect, it is anchored on the sleeve pipe, can not wriggles thereby water injection string is anchored.
Claims (2)
1. two Tubing Packer of a grappling expanding, by top connection (1), interior pipe (2), packing element (3), slip segment (4), lower contact (5) is formed, it is characterized in that: top connection (1) top is connected with interior pipe (2) top, interior pipe (2) bottom is connected with lower contact (5) top, several slip segments (4) surround circumference and packing element (3) is sulfided into one, after slip segment (4) is sulfided into one with packing element (3), inwall all is a packing element, slip segment (4) is in the surface at two ends, there is crankle at slip segment (4) two ends, slip segment (4) have on vertically two arc, two arc indents, recess narrowed width in two places, two interior recesses are filled sealing drum (6), and two sealing drums (6) are one with packing element (3), slip segment (4) is sleeved on outside the interior pipe (2) after being sulfided into one with packing element (3), top connection (1) bottom internal taper hole entangles packing element (3) top, and lower contact (5) top internal taper hole entangles packing element (3) bottom, and UNICOM's groove (7) is arranged on the interior pipe (2).
2. the two Tubing Packer of grappling expanding according to claim 1, it is characterized in that: there are teeth at slip segment (4) external surface two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202195579U CN201517390U (en) | 2009-09-29 | 2009-09-29 | Anchor expanding type double rubber barrel packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202195579U CN201517390U (en) | 2009-09-29 | 2009-09-29 | Anchor expanding type double rubber barrel packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201517390U true CN201517390U (en) | 2010-06-30 |
Family
ID=42498112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202195579U Expired - Fee Related CN201517390U (en) | 2009-09-29 | 2009-09-29 | Anchor expanding type double rubber barrel packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201517390U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412455A (en) * | 2018-02-08 | 2018-08-17 | 江苏晶通石油技术有限公司 | A kind of solvable bridge plug and application method |
| CN110593830A (en) * | 2019-09-05 | 2019-12-20 | 威海丰泰新材料科技股份有限公司 | Separate-layer water injection device for water injection well of oil field |
-
2009
- 2009-09-29 CN CN2009202195579U patent/CN201517390U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412455A (en) * | 2018-02-08 | 2018-08-17 | 江苏晶通石油技术有限公司 | A kind of solvable bridge plug and application method |
| CN110593830A (en) * | 2019-09-05 | 2019-12-20 | 威海丰泰新材料科技股份有限公司 | Separate-layer water injection device for water injection well of oil field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100630 Termination date: 20130929 |