CN2779052Y - Automatic sealing / unsealing water well sealing equipment capable of checking seal - Google Patents
Automatic sealing / unsealing water well sealing equipment capable of checking seal Download PDFInfo
- Publication number
- CN2779052Y CN2779052Y CN 200520020636 CN200520020636U CN2779052Y CN 2779052 Y CN2779052 Y CN 2779052Y CN 200520020636 CN200520020636 CN 200520020636 CN 200520020636 U CN200520020636 U CN 200520020636U CN 2779052 Y CN2779052 Y CN 2779052Y
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- CN
- China
- Prior art keywords
- deblocking
- water channel
- envelope
- way valve
- unsealing
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- Expired - Fee Related
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Abstract
The utility model relates to an automatic setting and unsealing water well packer capable of checking sealing, which mainly solves problems of time and labor wasting, environment pollution and low work efficiency when the existing packer is used for underground operation. The utility model is characterized in that an upper and a lower joints (1, 2) are respectively connected with an upper and a lower protecting covers (7, 8), an inflatable type middle rubber barrel (6) is connected between the upper and the lower protecting covers (7, 8), and an annular hollow cavity (9) between the middle rubber barrel (6) and a central pipe (5) are communicated with the central pipe (5) through an unsealing water channel (11) and a setting water channel (12) respectively; a setting one-way valve (13) is fixed in the setting water channel (12), the unsealing water channel (11) is communicated with an unsealing water channel hole (10) on the outer wall of the upper joint (1), and an unsealing one-way valve (14), an inner sleeve (15) and a big valve core (16) capable of sliding are installed in the unsealing water channel (11) in sequence. The utility model has the characteristics of simple structure, time saving and labor saving of manual operation, no environment pollution and high work efficiency.
Description
Technical field:
The utility model relates to a kind of downhole tool used in the oil recovery field, oil field, and seat envelope deblocking can be tested envelope formula Water well packer especially automatically.
Background technology:
In oil recovery field, oil field, a kind of downhole tool of using always when packer is seperated layer water injection utilizes packer multiple zone can be divided into some intervals, and the oil reservoir to different permeabilities carries out the subdivision of reservoir water filling then, and this is effective ways of realizing oil field stable high yield.The packer majority that adopts is a compression packing element formula at present, and this packer needs upper lifting pipe post or dextrorotation tubing string when deblocking, thereby when underground work, wastes time and energy, contaminated environment, inefficiency.
The utility model content:
In order to overcome existing packer when the underground work, waste time and energy, contaminated environment and ineffective deficiency, the utility model provides a kind of automatic seat envelope deblocking can test envelope formula Water well packer, automatically seat envelope deblocking can be tested envelope formula Water well packer does not have pin and seat envelope deblocking piston, can be by hydraulic automatic seat envelope deblocking, it is good to test envelope property, has characteristics simple in structure, the workman operates time saving and energy saving, free from environmental pollution and high efficiency.
The technical solution of the utility model is: this automatic seat envelope deblocking can be tested envelope formula Water well packer and comprise lower contact and central tube, have paddle hole in the last lower contact respectively, central tube is connected between the paddle hole of lower contact, last lower contact connects lower shield respectively, be connected with the middle packing element of inflatable between the last lower shield, between middle packing element and the central tube toroidal cavity is arranged, toroidal cavity communicates with central tube by the deblocking water channel and the seat water shutoff road of last lower contact respectively, be fixed with seat envelope one way valve in the seat water shutoff road, the deblocking water channel communicates with the deblocking water channel hole of top connection outer wall, the deblocking one way valve is housed in the deblocking water channel successively, interior cover reaches slidably big valve core, seal between the upper end of big valve core and the deblocking water channel, in placing, the lower end of big valve core in the interstitial hole of cover, between big valve core and the interior cover back-moving spring is arranged.
Above-mentioned seat envelope one way valve is made up of set upright cap, spool and the spring of tape channel and interstitial hole, and the two ends of spool have coniform seal head and guide peg respectively, and the valve core upper sleeve of setting upright between cap and the seal head has spring, and guide peg places in the interstitial hole of setting upright cap; The deblocking one way valve is identical with seat envelope one-way valve structures; The lower end of big valve core has righting rib; Deblocking water channel and seat water shutoff road be circumferentially evenly distributing 1～6 along last lower contact respectively.
The utlity model has following beneficial effect: owing to take such scheme, during the seat envelope, in central tube, inject water under high pressure, seat envelope one way valve and deblocking one way valve all are opened, water enters in the toroidal cavity between central tube and the middle packing element through paddle hole, and middle packing element instantaneous expansion is when the pressure of water in the toroidal cavity is identical with the pressure of water in the central tube, seat envelope one way valve and deblocking one way valve are closed under the elastic force effect of spring automatically, finish seat envelope and self-locking; Deblocking carries out simultaneously with the anti-flushing well process, in casing annulus, inject water under high pressure during anti-flushing well, water promotes big valve core and moves downward, and then make the deblocking one-way valve opens, press water in the toroidal cavity between central tube and the middle packing element is released and enters in the central tube, middle packing element shrinks, a plurality of packers can be finished deblocking in proper order in the subdivision of reservoir water injection well, meanwhile anti-flushing well begins, after anti-flushing well finishes, in central tube, inject water under high pressure, each packer again successively seat envelope enter operate as normal.This device does not have pin and seat envelope deblocking piston, can be by hydraulic automatic seat envelope deblocking, it is good to test envelope property, single stand envelope time≤6 second, unit deblocking time≤10 second, seat envelope deblocking speed is fast, good airproof performance, multi-zone flow regulating water nozzle size does not need to adjust after the completion again, and once going into the well to finish gets final product; Simultaneously simple in structure, the workman operates time saving and energy saving, free from environmental pollution and high efficiency.
Description of drawings:
Accompanying drawing 1 is a structure sectional view of the present utility model;
Accompanying drawing 2 is mounting structure figure of seat envelope one way valve 13 among Fig. 1;
Accompanying drawing 3 is mounting structure figure of deblocking one way valve 14 among Fig. 1.
1-top connection among the figure, 2-lower contact, 3-inlet opening, 4-weep hole, 5-central tube, packing element in the middle of the 6-, 7-upper shield, 8-lower shield, 9-toroidal cavity, 10-deblocking water channel hole, 11-deblocking water channel, 12-seat water shutoff road, 13-seat envelope one way valve, cover in the 14-deblocking one way valve, 15-, 16-big valve core, 17-back-moving spring, the 18-passage, the 19-interstitial hole, 20-sets upright cap, the 21-spool, the 22-spring, 23-seal head, 24-guide peg, 25-righting rib.
The specific embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
As Fig. 1 in conjunction with Fig. 2 and shown in Figure 3, this automatic seat envelope deblocking can be tested envelope formula Water well packer and comprise lower contact (1,2) and central tube 5, last lower contact (1,2) have paddle hole (3 on respectively, 4), central tube 5 is connected between the paddle hole (3,4) of lower contact (1,2), last lower contact (1,2) connect upward lower shield (7,8), last lower shield (7 respectively, 8) be connected with the middle packing element 6 of inflatable between, between middle packing element 6 and the central tube 5 toroidal cavity 9 is arranged, toroidal cavity 9 communicates with central tube 5 by the deblocking water channel 11 and the seat water shutoff road 12 of last lower contact (1,2) respectively, deblocking water channel 11 and seat water shutoff road 12 be circumferentially evenly distributing 1～6 along last lower contact (1,2) respectively.Be fixed with seat envelope one way valve 13 in the seat water shutoff road 12, seat envelope one way valve 13 is made up of set upright cap 20, spool 21 and the spring 22 of tape channel 18 and interstitial hole 19, the two ends of spool 21 have coniform seal head 23 and guide peg 24 respectively, set upright on the spool 21 between cap 20 and the seal head 23 and be with spring 22, guide peg 24 places in the interstitial hole 19 of setting upright cap 20.Deblocking water channel 11 communicates with the deblocking water channel hole 10 of top connection 1 outer wall, deblocking one way valve 14, interior cover 15 and big valve core 16 slidably are housed in the deblocking water channel 11 successively, deblocking one way valve 14 is identical with seat envelope one way valve 13 structures, sealing between the upper end of big valve core 16 and the deblocking water channel 11, the lower end of big valve core 16 has righting rib 25 and places in the interstitial hole of interior cover 15, between big valve core 16 and the interior cover 15 back-moving spring 17 is arranged.
During the seat envelope, in central tube 5, inject water under high pressure, seat envelope one way valve 13 and deblocking one way valve 14 all are opened, water is through paddle hole (3,4) enter in the toroidal cavity 9 between central tube 5 and the middle packing element 6, middle packing element 6 instantaneous expansion are when the pressure of water in the toroidal cavity 9 is identical with the pressure of water in the central tube 5, seat envelope one way valve 13 and deblocking one way valve 14 are closed under the elastic force effect of spring 22 automatically, finish seat envelope and self-locking; Deblocking carries out simultaneously with the anti-flushing well process, in casing annulus, inject water under high pressure during anti-flushing well, water promotes big valve core 16 and moves downward, and then deblocking one way valve 14 is opened, press water in the toroidal cavity 9 between central tube 5 and the middle packing element 6 is released and enters in the central tube 5, middle packing element 6 shrinks, a plurality of packers can be finished deblocking in proper order in the subdivision of reservoir water injection well, meanwhile anti-flushing well begins, after anti-flushing well finishes, in central tube 5, inject water under high pressure, each packer again successively the seat envelope enter operate as normal.This device does not have pin and seat envelope deblocking piston, can be by hydraulic automatic seat envelope deblocking, it is good to test envelope property, single stand envelope time≤6 second, unit deblocking time≤10 second, seat envelope deblocking speed is fast, good airproof performance, multi-zone flow regulating water nozzle size does not need to adjust after the completion again, and once going into the well to finish gets final product; Simultaneously simple in structure, the workman operates time saving and energy saving, free from environmental pollution and high efficiency.
Claims (5)
1, a kind of automatic seat envelope deblocking can be tested envelope formula Water well packer, comprise lower contact (1,2) and central tube (5), last lower contact (1,2) have paddle hole (3 on respectively, 4), central tube (5) is connected lower contact (1,2) paddle hole (3,4) between, it is characterized in that: go up lower contact (1,2) connect upward lower shield (7 respectively, 8), last lower shield (7,8) be connected with the middle packing element (6) of inflatable between, between middle packing element (6) and the central tube (5) toroidal cavity (9) is arranged, toroidal cavity (9) is respectively by last lower contact (1,2) deblocking water channel (11) and seat water shutoff road (12) communicate with central tube (5), be fixed with seat envelope one way valve (13) in the seat water shutoff road (12), deblocking water channel (11) communicates with the deblocking water channel hole (10) of top connection (1) outer wall, and deblocking one way valve (14) is housed in the deblocking water channel (11) successively, interior cover (15) reaches slidably big valve core (16), sealing between the upper end of big valve core (16) and the deblocking water channel (11), the lower end of big valve core (16) places in the interstitial hole of interior cover (15), between big valve core (16) and the interior cover (15) back-moving spring (17) is arranged.
2, according to wanting profit to require 1 described automatic seat envelope deblocking can test envelope formula Water well packer, it is characterized in that: seat envelope one way valve (13) is made up of set upright cap (20), spool (21) and the spring (22) of tape channel (18) and interstitial hole (19), the two ends of spool (21) have coniform seal head (23) and guide peg (24) respectively, set upright on the spool (21) between cap (20) and the seal head 23 and be with spring (22), guide peg (24) places in the interstitial hole (19) of setting upright cap (20).
3, according to wanting profit to require 1 described automatic seat envelope deblocking can test envelope formula Water well packer, it is characterized in that: deblocking one way valve (14) is identical with seat envelope one way valve (13) structure.
4, according to wanting profit to require 1 described automatic seat envelope deblocking can test envelope formula Water well packer, it is characterized in that: the lower end of big valve core (16) has righting rib (25).
5, according to wanting profit to require 1 described automatic seat envelope deblocking can test envelope formula Water well packer, it is characterized in that: deblocking water channel (11) and seat water shutoff road (12) be circumferentially evenly distributing 1～6 along last lower contact (1,2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520020636 CN2779052Y (en) | 2005-04-14 | 2005-04-14 | Automatic sealing / unsealing water well sealing equipment capable of checking seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520020636 CN2779052Y (en) | 2005-04-14 | 2005-04-14 | Automatic sealing / unsealing water well sealing equipment capable of checking seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2779052Y true CN2779052Y (en) | 2006-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520020636 Expired - Fee Related CN2779052Y (en) | 2005-04-14 | 2005-04-14 | Automatic sealing / unsealing water well sealing equipment capable of checking seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2779052Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536156A (en) * | 2012-02-15 | 2012-07-04 | 甘肃铁道综合工程勘察院有限公司 | High-voltage packer for measuring ground stress of deep hole and method for manufacturing rubber sleeve of packer |
| CN102272413B (en) * | 2009-01-12 | 2014-07-02 | 韦尔泰克有限公司 | Annular barrier and annular barrier system |
| CN105370241A (en) * | 2014-08-29 | 2016-03-02 | 中国石油化工股份有限公司 | Packing device and method during drilling for abandoning well |
| CN106930721A (en) * | 2015-12-31 | 2017-07-07 | 中国石油大学(华东) | One kind has bar oil recovery sucker rod-oil pipe annular space sealing device |
| CN110145274A (en) * | 2019-06-14 | 2019-08-20 | 海塔石油科技有限公司 | A kind of controllable K341 inflatable packer |
-
2005
- 2005-04-14 CN CN 200520020636 patent/CN2779052Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102272413B (en) * | 2009-01-12 | 2014-07-02 | 韦尔泰克有限公司 | Annular barrier and annular barrier system |
| CN104100225A (en) * | 2009-01-12 | 2014-10-15 | 韦尔泰克有限公司 | Annular barrier and annular barrier system |
| CN104100225B (en) * | 2009-01-12 | 2017-03-29 | 韦尔泰克有限公司 | annular barrier and annular barrier system |
| US9745819B2 (en) | 2009-01-12 | 2017-08-29 | Welltec A/S | Annular barrier and annular barrier system |
| US10202819B2 (en) | 2009-01-12 | 2019-02-12 | Welltec Oilfield Solutions Ag | Annular barrier and annular barrier system |
| CN102536156A (en) * | 2012-02-15 | 2012-07-04 | 甘肃铁道综合工程勘察院有限公司 | High-voltage packer for measuring ground stress of deep hole and method for manufacturing rubber sleeve of packer |
| CN102536156B (en) * | 2012-02-15 | 2014-06-11 | 甘肃铁道综合工程勘察院有限公司 | High-voltage packer for measuring ground stress of deep hole and method for manufacturing rubber sleeve of packer |
| CN105370241A (en) * | 2014-08-29 | 2016-03-02 | 中国石油化工股份有限公司 | Packing device and method during drilling for abandoning well |
| CN105370241B (en) * | 2014-08-29 | 2018-08-10 | 中国石油化工股份有限公司 | It is a kind of for abandoned well with boring packing device and method |
| CN106930721A (en) * | 2015-12-31 | 2017-07-07 | 中国石油大学(华东) | One kind has bar oil recovery sucker rod-oil pipe annular space sealing device |
| CN110145274A (en) * | 2019-06-14 | 2019-08-20 | 海塔石油科技有限公司 | A kind of controllable K341 inflatable packer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |