CN203188968U - Cable-passing well-washable packer - Google Patents
Cable-passing well-washable packer Download PDFInfo
- Publication number
- CN203188968U CN203188968U CN 201320231019 CN201320231019U CN203188968U CN 203188968 U CN203188968 U CN 203188968U CN 201320231019 CN201320231019 CN 201320231019 CN 201320231019 U CN201320231019 U CN 201320231019U CN 203188968 U CN203188968 U CN 203188968U
- Authority
- CN
- China
- Prior art keywords
- cable
- well
- packer
- top connection
- flushing piston
- 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 a cable-passing well-washable packer, which mainly solves the problem of the existing packer that cable passing and well washing cannot be realized simultaneously. The packer is characterized in that an upper outer pipe (2) is connected to the outer side of the lower part of an upper joint (1), a central pipe (6) is connected into the lower part of the upper joint (1), an L-shaped well washing piston bush (5) is arranged at the inner lower part of an annular cavity (9) among the upper outer pipe (2), the upper joint (1) and an inner pipe (8), an inverted L-shaped well washing piston (4) is arranged at the inner upper part of the well washing piston bush (5), a wall of the inner pipe (8) corresponding to the well washing piston (4) is provided with a liquid inlet hole (10), a side wall of the upper joint (1) is axially provided with a cable passing hole communicated with the annular cavity (9), a sealing joint (3) is connected to the cable passing hole, the cable penetrates through the sealing joint (3) and enters the annular cavity (9), and the cable penetrates out of the lower end of the annular cavity (9) and is arranged in an axial cable passing groove (11) outside a lower outer pipe (7). The cable-passing well-washable packer has the characteristic that cable passing and well washing can be realized simultaneously.
Description
Technical field
The utility model relates to the used packer of oil field oil recovery field seperated layer water injection, especially crosses cable washing well packer.
Background technology
In oil recovery field, oil field, for improving recovery ratio, need seperated layer water injection.Automatically controlled seperated layer water injection need be used the packer layering.And existing packer influences water-injection efficiency because there is the problem that cable can well-flushing of can not crossing in reasons in structure.
Summary of the invention
Can not cross the problem that cable again can well-flushing in order to solve existing packer.The utility model provides a kind of cable washing well packer of crossing.This cross cable washing well packer packing every utensil have can be able to cross cable again can well-flushing characteristics.
The technical solution of the utility model is: this is crossed cable washing well packer and comprises top connection, upper exterior tube, seal nipple, well-flushing piston, well-flushing piston bush, central tube and lower outer pipe.Upper exterior tube is connected outside the top connection bottom, central tube is connected in the top connection bottom, L shaped well-flushing piston bush places the interior bottom of ring cavity between upper exterior tube and top connection and the interior pipe, on the L shaped well-flushing piston that falls places in the well-flushing piston bush, on the inner tubal wall of corresponding well-flushing piston inlet opening is arranged, the cable aperture of crossing that communicates with ring cavity is axially arranged on the top connection sidewall, seal nipple was connected on the cable aperture, cable passes seal nipple and enters ring cavity, and cable is passed by the ring cavity lower end and places outer axial the mistake in the cable channel of lower outer pipe.
Seal nipple in the such scheme comprises sealed packing and pressure cap, and 2 above sealed packings placed on the cable aperture inner step, and pressure cap is by being threaded in crossing in the cable aperture on the sealed packing, and cable passes the pressure cap axial hole.
The utlity model has following beneficial effect: this crosses cable washing well packer owing to adopt upper exterior tube to be connected outside the top connection bottom, central tube is connected in the top connection bottom, L shaped well-flushing piston bush places the interior bottom of ring cavity between upper exterior tube and top connection and the interior pipe, on the L shaped well-flushing piston that falls places in the well-flushing piston bush, on the inner tubal wall of corresponding well-flushing piston inlet opening is arranged, the cable aperture of crossing that communicates with ring cavity is axially arranged on the top connection sidewall, seal nipple was connected on the cable aperture, cable passes seal nipple and enters ring cavity, and cable is passed by the ring cavity lower end and places the outer axial structure of crossing in the cable channel of lower outer pipe.Thereby realize crossing cable again can anti-flushing well.Be somebody's turn to do thus cable washing well packer have can be able to cross cable again can well-flushing characteristics.
Description of drawings:
Accompanying drawing 1 is structural representation of the present utility model.
1-top connection among the figure, the 2-upper exterior tube, the 3-seal nipple, 4-well-flushing piston, 5-well-flushing piston bush, the 6-central tube, pipe in the 7-lower outer pipe, 8-, the 9-ring cavity, the 10-inlet opening, 11-crosses cable channel.
The specific embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
By shown in Figure 1, this is crossed cable washing well packer and improves on existing packer basis, sets identical with existing packer with the deblocking part.This is crossed cable washing well packer and comprises top connection 1, upper exterior tube 2, seal nipple 3, well-flushing piston 4, well-flushing piston bush 5, central tube 6 and lower outer pipe 7.Upper exterior tube 2 is connected outside top connection 1 bottom, central tube 6 is connected in top connection 1 bottom, L shaped well-flushing piston bush 5 places the ring cavity 9 interior bottoms between upper exterior tube 2 and top connection 1 and the interior pipe 8, on the L shaped well-flushing piston 4 that falls places in the well-flushing piston bush 5, on interior pipe 8 walls of corresponding well-flushing piston 4 inlet opening 10 is arranged, the cable aperture of crossing that communicates with ring cavity 9 is axially arranged on top connection 1 sidewall, seal nipple 3 was connected on the cable aperture, cable passes seal nipple 3 and enters ring cavity 9, and cable is passed by ring cavity 9 lower ends and places lower outer pipe 7 outer axial mistakes in the cable channel 11.Seal nipple 3 comprises sealed packing and pressure cap, and 2 above sealed packings placed on the cable aperture inner step, and pressure cap is by being threaded in crossing in the cable aperture on the sealed packing, and cable passes the pressure cap axial hole.
During actual the use:
At first, cable is penetrated in the ring cavity 9 by this seal nipple 3 of crossing cable washing well packer, is passed by ring cavity 9 lower ends and places lower outer pipe 7 outer crossing in the cable channel 11, takes in the protection cable.This that will connect cable then crossed cable washing well packer and is connected on the tubing string, by designing requirement down to the completion degree of depth.Back fluid injection body in the oil pipe when pressure reaches 8-10Mpa, sets pin and cuts off surely under the lower going-into-well, set piston compression packing element, packing element is radially swollen, when the packer pressure rises to 14-16 Mpa, packer sets fully, thus the sealing oil casing annular space.Because this packer has the one-way locking device, thereby after rushing down pressure, packer is deblocking voluntarily not also, and the upper lifting pipe post can make the packer deblocking.During anti-flushing well: open well head oil pipe gate, inject flushing fluid from the oil jacket annular space, flushing fluid enters ring cavity 9 by inlet opening 10, flows into the oil jacket annular space 9 times by ring cavity again, thereby walks around the packing element packing, can realize subordinate's anti-flushing well.The packer deblocking: on carry oil pipe, cut off the deblocking shear pin, move on the inner central tube, lock dog is thrown off, and can realize the deblocking of packer.
Claims (2)
1. cross cable washing well packer for one kind, comprise top connection (1), upper exterior tube (2), seal nipple (3), well-flushing piston (4), well-flushing piston bush (5), central tube (6) and lower outer pipe (7), it is characterized in that: upper exterior tube (2) is connected outside top connection (1) bottom, central tube (6) is connected in top connection (1) bottom, L shaped well-flushing piston bush (5) places the interior bottom of ring cavity (9) between upper exterior tube (2) and top connection (1) and the interior pipe (8), on the L shaped well-flushing piston (4) that falls places in the well-flushing piston bush (5), on interior pipe (8) wall of corresponding well-flushing piston (4) inlet opening (10) is arranged, the cable aperture of crossing that communicates with ring cavity (9) is axially arranged on top connection (1) sidewall, seal nipple (3) was connected on the cable aperture, cable passes seal nipple (3) and enters ring cavity (9), and cable is passed by ring cavity (9) lower end and places outer axial the mistake in the cable channel (11) of lower outer pipe (7).
2. the cable washing well packer of crossing according to claim 1, it is characterized in that: seal nipple (3) comprises sealed packing and pressure cap, 2 above sealed packings placed on the cable aperture inner step, pressure cap is by being threaded in crossing in the cable aperture on the sealed packing, and cable passes the pressure cap axial hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320231019 CN203188968U (en) | 2013-05-02 | 2013-05-02 | Cable-passing well-washable packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320231019 CN203188968U (en) | 2013-05-02 | 2013-05-02 | Cable-passing well-washable packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203188968U true CN203188968U (en) | 2013-09-11 |
Family
ID=49105834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320231019 Expired - Fee Related CN203188968U (en) | 2013-05-02 | 2013-05-02 | Cable-passing well-washable packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203188968U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701805A (en) * | 2013-12-09 | 2015-06-10 | 中国石油化工股份有限公司 | Downhole cable division connecting device |
| CN105332677A (en) * | 2015-11-06 | 2016-02-17 | 中国石油天然气股份有限公司 | Cable direct-controlled water distribution system |
| CN105672933A (en) * | 2016-02-19 | 2016-06-15 | 中国石油天然气股份有限公司 | Cable-passing well-washing packer and use method |
| CN111042800A (en) * | 2018-10-12 | 2020-04-21 | 中国石油化工股份有限公司 | Horizontal well coiled tubing downhole television testing pipe column and testing method |
| CN115045634A (en) * | 2021-03-08 | 2022-09-13 | 中国石油天然气股份有限公司 | Cable protection mechanism and method in cable-passing packer |
-
2013
- 2013-05-02 CN CN 201320231019 patent/CN203188968U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701805A (en) * | 2013-12-09 | 2015-06-10 | 中国石油化工股份有限公司 | Downhole cable division connecting device |
| CN104701805B (en) * | 2013-12-09 | 2017-06-09 | 中国石油化工股份有限公司 | Underground cable coupler |
| CN105332677A (en) * | 2015-11-06 | 2016-02-17 | 中国石油天然气股份有限公司 | Cable direct-controlled water distribution system |
| CN105672933A (en) * | 2016-02-19 | 2016-06-15 | 中国石油天然气股份有限公司 | Cable-passing well-washing packer and use method |
| CN111042800A (en) * | 2018-10-12 | 2020-04-21 | 中国石油化工股份有限公司 | Horizontal well coiled tubing downhole television testing pipe column and testing method |
| CN111042800B (en) * | 2018-10-12 | 2023-07-11 | 中国石油化工股份有限公司 | Underground television test pipe column and method for horizontal well coiled tubing |
| CN115045634A (en) * | 2021-03-08 | 2022-09-13 | 中国石油天然气股份有限公司 | Cable protection mechanism and method in cable-passing packer |
| CN115045634B (en) * | 2021-03-08 | 2024-03-26 | 中国石油天然气股份有限公司 | Internal cable protection mechanism and method for cable-passing packer |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 |