CN203685109U - Double-rubber-sleeve-set packer - Google Patents
Double-rubber-sleeve-set packer Download PDFInfo
- Publication number
- CN203685109U CN203685109U CN201420068549.XU CN201420068549U CN203685109U CN 203685109 U CN203685109 U CN 203685109U CN 201420068549 U CN201420068549 U CN 201420068549U CN 203685109 U CN203685109 U CN 203685109U
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- Prior art keywords
- central tube
- well
- flushing
- pin
- flushing valve
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Abstract
The utility model discloses a double-rubber-sleeve-set packer which mainly solves the problems that when an existing packer is unsealed, and a tubular column is lifted, rubber sleeves are prone to being damaged, and the setting effect is poor. The double-rubber-sleeve-set packer is characterized in that a well flushing valve sleeve (9) is externally connected with the lower portion of an upper connector (1), a well flushing valve (11), a well flushing valve seat (12) and a water injection base (13) are arranged in the well flushing valve sleeve (9), an upper rubber sleeve set (5) is arranged outside the position, located below the water injection base (13), of an outer center tube (4), an external pin hanging part (7) is arranged outside the position, located below the upper rubber sleeve set (5), of the outer center tube (4), a setting piston (8) is arranged in the external pin hanging part (7), setting liquid inlet holes (15) are formed in the positions, corresponding to the position, at the upper end of the setting piston (8), in the external pin hanging part (7), of the walls of the outer center tube (4) and a center tube (3), and a lower rubber sleeve set (6) is arranged outside the position, located below the external pin hanging part (7) and the setting piston (8), of the outer center tube (4). The double-rubber-sleeve-set packer has the advantages of being good in setting effect, safe and reliable.
Description
Technical field:
The utility model relates to oil extraction in oil field field packer used, especially two group Tubing Packer.
Background technology:
In oil extraction in oil field field, packer is used widely.And existing packer while there is deblocking upper lifting pipe post due to reasons in structure packing element fragile, set the problem of weak effect, affect operating efficiency and cost.
Utility model content:
Packing element is fragile when overcoming existing removing seal for packer upper lifting pipe post, sets the problem of weak effect.The utility model provides a kind of two group Tubing Packer.This pair of group Tubing Packer has the effective and safe and reliable feature that sets.
The technical solution of the utility model is: this pair of group Tubing Packer comprises top connection, lower contact, central tube, exterior central tube, upper packing element group, lower rubber cylinder group, and piston is hung and set to outer pin.Central tube two ends are connected with top connection and lower contact, central tube has exterior central tube outward, between central tube and exterior central tube, there is well-flushing passage, under top connection, be externally connected with well-flushing valve cover, on well-flushing valve jacket wall, there is more than 1 well-flushing inlet opening, between well-flushing valve cover and central tube and exterior central tube, be equipped with well-flushing valve from top to bottom, well-flushing valve seat, water filling seat, in top connection wall on corresponding well-flushing valve, there is valve inlet opening, under water filling seat, exterior central tube is external a upper packing element group, under upper packing element group, exterior central tube has outer pin to hang outward, outer pin is hung between exterior central tube and is set piston, correspondence sets in exterior central tube in hanging of pin outside piston upper end and center tube wall and sets inlet opening, set outside piston bottom and have lock ring, the outer pin of lock ring upper end is connected with interior pin by deblocking pin in hanging and hangs, the outer pin of lock ring lower end is connected with and sets pin and hang by setting pin in hanging, outer pin is hung and set underpiston exterior central tube lower rubber cylinder group outward, exterior central tube under lower rubber cylinder group has lower well-flushing seat outward, on lower well-flushing seat wall, there is more than 1 well-flushing fluid hole.
The utlity model has following beneficial effect: this pair of group Tubing Packer is owing to adopting central tube two ends to be connected with top connection and lower contact, central tube has exterior central tube outward, between central tube and exterior central tube, there is well-flushing passage, under top connection, be externally connected with well-flushing valve cover, on well-flushing valve jacket wall, there is more than 1 well-flushing inlet opening, between well-flushing valve cover and central tube and exterior central tube, be equipped with well-flushing valve from top to bottom, well-flushing valve seat, water filling seat, in top connection wall on corresponding well-flushing valve, there is valve inlet opening, under water filling seat, exterior central tube is external a upper packing element group, under upper packing element group, exterior central tube has outer pin to hang outward, outer pin is hung between exterior central tube and is set piston, correspondence sets in exterior central tube in hanging of pin outside piston upper end and center tube wall and sets inlet opening, set outside piston bottom and have lock ring, the outer pin of lock ring upper end is connected with interior pin by deblocking pin in hanging and hangs, the outer pin of lock ring lower end is connected with and sets pin and hang by setting pin in hanging, outer pin is hung and set underpiston exterior central tube lower rubber cylinder group outward, exterior central tube under lower rubber cylinder group has lower well-flushing seat outward, on lower well-flushing seat wall, there is the structure of more than 1 well-flushing fluid hole.Packing element group and lower rubber cylinder group in utilization, in the time that deblocking upper lifting pipe post packing element damages, also have another group packing element can continue to use, and reach two-way safeguarding function, and then raising sets effect and safety.This pair of group Tubing Packer has the effective and safe and reliable feature that sets thus.
Brief description of the drawings:
Accompanying drawing 1 is the utility model structural representation.
1-top connection in figure, 2-lower contact, 3-central tube, 4-exterior central tube, the upper packing element group of 5-, 6-lower rubber cylinder group, the outer pin of 7-is hung, and 8-sets piston, 9-well-flushing valve cover, 10-well-flushing inlet opening, 11-well-flushing valve, 12-well-flushing valve seat, 13-water filling seat, 14-valve inlet opening, 15-sets inlet opening, 16-lock ring, 17-deblocking pin, in 18-, pin is hung, and 19-sets pin, 20-sets pin and hangs, well-flushing seat under 21-, 22-well-flushing fluid hole.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Shown in accompanying drawing, this pair of group Tubing Packer comprises top connection 1, lower contact 2, central tube 3, exterior central tube 4, upper packing element group 5, lower rubber cylinder group 6, and outer pin hangs 7 and set piston 8.Central tube 3 upper ends have been threaded connection top connection 1, central tube 3 lower ends have been threaded connection lower contact 2, outside central tube 3, there is exterior central tube 4, exterior central tube 4 lower ends are connected with central tube 3 by screw thread, between central tube 3 and exterior central tube 4, there is well-flushing passage, top connection is externally connected with well-flushing valve cover 9 for 1 time, well-flushing valve overlaps 4 well-flushing inlet openings 10 on 9 walls, between well-flushing valve cover 9 and central tube 3 and exterior central tube 4, be equipped with well-flushing valve 11, well-flushing valve is equipped with sealing ring inside and outside 11 tops, well-flushing valve has well-flushing valve seat 12 11 times, there is T shape sealing ring well-flushing valve seat 12 inner sides, well-flushing valve seat 12 upper ends are placed in outside well-flushing valve 11 lower step, well-flushing valve seat has water filling seat 13 12 times, water filling seat 13 has L shaped sealing ring, well-flushing valve seat 12 contact corresponding to water filling seat 13 end face is inclined-plane.In top connection 1 wall on corresponding well-flushing valve 11, there is valve inlet opening 14, the outer gluing cylinder group 5 that is equipped with of 13 times exterior central tubes of water filling seat 4, upper packing element group 5 is made up of 3 packing elements and 2 spacer rings, 5 times exterior central tubes of upper packing element group 4 are outer has outer pin to hang 7, outer pin is hung 7 inner sides, upper end sealing ring, between outer pin extension 7 and exterior central tube 4, set piston 8, set piston 8 and have card tooth outward, set outside in piston 8 upper ends and have respectively sealing ring, correspondence sets pin outside piston 8 upper ends and hangs on exterior central tube 4 in 7 and central tube 3 walls and set inlet opening 15, set outside piston 8 bottoms and have lock ring 16, in lock ring 16, have and the card tooth that sets piston 8 wild card teeth and match, the outer pin of lock ring 16 upper ends is hung in 7 and is connected with interior pin extension 18 by deblocking pin 17, the outer pin of lock ring 16 lower ends is hung in 7 by setting pin 19 and is connected with and sets pin and hang 20, outer pin hangs 7 has lower rubber cylinder group 6 outward with the exterior central tube 4 setting under piston 8, outside exterior central tube 4 under lower rubber cylinder group 6, there is lower well-flushing seat 21, on lower well-flushing seat wall, there are 4 well-flushing fluid holes 22.
When actual use:
When this pair of group Tubing Packer sets, suppress by ground, cut off and set pin 19, water enters outer pin and hangs in 7 and set piston 8 tops by setting inlet opening 15, promote outer pin simultaneously and hang 7 and move up and promotion sets piston 8 and moves down, outer pin is hung 7 and is promoted above packing element group 5 and set, and sets piston 8 and promotes lower rubber cylinder group 6 and set, pin and set piston 8 by lock ring 16, complete this pair of group Tubing Packer and set operation.When this pair of group Tubing Packer well-flushing, well-flushing valve 11 is opened, and flushing fluid is entered by well-flushing inlet opening 10, enters in sleeve pipe through well-flushing passage and well-flushing fluid hole 22, completes well-flushing operation.When this pair of group Tubing Packer deblocking, upper lifting pipe post is cut off deblocking pin 17, and outer pin is hung 7 and moved down, and sets piston 8 and moves up, and upper packing element group 5 and lower rubber cylinder group 6 are shunk, and complete unsealing operation.
This pair of group Tubing Packer is through field experiment, and compared with common packer, effect significantly improves.
Claims (1)
1. a two group Tubing Packer, comprise top connection (1), lower contact (2), central tube (3), exterior central tube (4), upper packing element group (5), lower rubber cylinder group (6), outer pin is hung (7) and is set piston (8), it is characterized in that: central tube (3) two ends are connected with top connection (1) and lower contact (2), outside central tube (3), there is exterior central tube (4), between central tube (3) and exterior central tube (4), there is well-flushing passage, under top connection (1), be externally connected with well-flushing valve cover (9), on well-flushing valve cover (9) wall, there is more than 1 well-flushing inlet opening (10), between well-flushing valve cover (9) and central tube (3) and exterior central tube (4), be equipped with well-flushing valve (11) from top to bottom, well-flushing valve seat (12), water filling seat (13), in top connection (1) wall on corresponding well-flushing valve (11), there is valve inlet opening (14), the outer gluing cylinder group (5) that is equipped with of the lower exterior central tube (4) of water filling seat (13), the lower exterior central tube (4) of upper packing element group (5) is outer has outer pin to hang (7), outer pin is hung between (7) and exterior central tube (4) and is set piston (8), correspondence sets pin outside piston (8) upper end and hangs on exterior central tube (4) in (7) and central tube (3) wall and set inlet opening (15), set outside piston (8) bottom and have lock ring (16), the outer pin of lock ring (16) upper end is hung in (7) and is connected with interior pin extension (18) by deblocking pin (17), the outer pin of lock ring (16) lower end is hung in (7) by setting pin (19) and is connected with and sets pin and hang (20), outer pin extension (7) and the exterior central tube (4) setting under piston (8) have lower rubber cylinder group (6) outward, outside exterior central tube (4) under lower rubber cylinder group (6), there is lower well-flushing seat (21), on lower well-flushing seat wall, there is more than 1 well-flushing fluid hole (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068549.XU CN203685109U (en) | 2014-02-12 | 2014-02-12 | Double-rubber-sleeve-set packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068549.XU CN203685109U (en) | 2014-02-12 | 2014-02-12 | Double-rubber-sleeve-set packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685109U true CN203685109U (en) | 2014-07-02 |
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ID=51007028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420068549.XU Expired - Fee Related CN203685109U (en) | 2014-02-12 | 2014-02-12 | Double-rubber-sleeve-set packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685109U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265232A (en) * | 2014-09-12 | 2015-01-07 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | K344 packer with double-stage packing units |
| CN110984888A (en) * | 2019-12-02 | 2020-04-10 | 大庆益科石油科技开发有限公司 | Bridge type packing water injection well washing process pipe column |
| CN111852381A (en) * | 2019-04-28 | 2020-10-30 | 中国石油天然气股份有限公司 | Fire-driving packer |
-
2014
- 2014-02-12 CN CN201420068549.XU patent/CN203685109U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265232A (en) * | 2014-09-12 | 2015-01-07 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | K344 packer with double-stage packing units |
| CN111852381A (en) * | 2019-04-28 | 2020-10-30 | 中国石油天然气股份有限公司 | Fire-driving packer |
| CN111852381B (en) * | 2019-04-28 | 2022-08-05 | 中国石油天然气股份有限公司 | Fire-driving packer |
| CN110984888A (en) * | 2019-12-02 | 2020-04-10 | 大庆益科石油科技开发有限公司 | Bridge type packing water injection well washing process pipe column |
| CN110984888B (en) * | 2019-12-02 | 2020-07-24 | 大庆益科石油科技开发有限公司 | Bridge type packing water injection well washing process pipe column |
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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: 20140702 Termination date: 20150212 |
|
| EXPY | Termination of patent right or utility model |