CN2731081Y - Integrated water distribution packer for controlling seal deflection of double-body valve - Google Patents
Integrated water distribution packer for controlling seal deflection of double-body valve Download PDFInfo
- Publication number
- CN2731081Y CN2731081Y CN 200420063595 CN200420063595U CN2731081Y CN 2731081 Y CN2731081 Y CN 2731081Y CN 200420063595 CN200420063595 CN 200420063595 CN 200420063595 U CN200420063595 U CN 200420063595U CN 2731081 Y CN2731081 Y CN 2731081Y
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- China
- Prior art keywords
- tool
- water distribution
- utility
- packer
- valve
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- 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 integrated water distribution packer controlled for seal deflection by a double body valve, which relatesto a mechanical oil extracting and separated water filling tool. The existing mechanical separated water filling tool has the problem that the cost of two sets of tools is higher than that of the integrated tool for seal deflection. The utility model comprises an eccentric water distribution device (8); the upper end of a gap (3) between a central tube (1) of the eccentric water distribution device (8) and a glue barrel (2) is provided with three holes (4) communicated with the gap (3); the inside of each of the three holes is respectively provided with a clogging device (5), a seat packing valve (6), and a pack releasing valve (7). One tool of the utility model can substitute a set of separated packers and a set of eccentric water distribution devices in the existing tube column for use, which can shorten the length of the tool and can act on one tool with double functions. The utility model can meet the requirements of the subdivision water filling and reduction for the cost of the tool. The packer has the advantages of seat pack by differential pressure, pack release by reverse washing, freedom for delivering operation and grasping operation, freedom for releasing operation, and operation expense saving.
Description
Technical field:
The utility model relates to a kind of mechanical oil recovery seperated layer water injection instrument, particularly a kind of packer.
Background technology:
Existing mechanical seperated layer water injection instrument, generally form by water injection packer and eccentric injection mandrel, water injection packer generally has inflatable packer (D344-114, YC344-114 etc.), compression packer (Y341 class, Y141 class), eccentric injection mandrel (665-2,665-3,635-2) etc., next cover eccentric injection mandrel must next overlap packer in actual seperated layer water injection, and the distance with upper packer between injection well downhole flow regulator generally can not be lower than 5m, otherwise influence pulling and zonal testing, just can not satisfy the demand apart from short interval for two interlayers like this.In addition, the cost of two cover instruments is also than the integrated partially instrument height of envelope.
The utility model content:
The purpose of this utility model is exactly that a kind of integrated partially water distribution packer of binary valve control envelope that can further segment interval and reduce the instrument cost is provided at above-mentioned the deficiencies in the prior art, it comprises eccentric injection mandrel 8, the upper end in the slit 3 between the central tube 1 of eccentric injection mandrel 8 and packing element 2 is provided with three holes 4 that communicate with slit 3, is separately installed with blanking plug 5 in three holes, sets valve 6 and deblocking valve 7.The utlity model has following advantage: 1. an instrument of the present utility model just can replace a cover layer separating packer of one in the present tubing string and a cover eccentric injection mandrel to use, shortened tool length, played with one with two effect, satisfied subdivision injection and reduced the needs of instrument cost; 2. pressure reduction sets, and backwash deblocking, casting and dragging free exempt to discharge, and have saved operating cost.
Description of drawings:
Fig. 1 is the utility model structural representation, and Fig. 2 is the enlarged diagram of C part-structure that does not contain Fig. 1 of blanking plug, and Fig. 3 is the A-A sectional view of Fig. 1, Fig. 4 be the B-B of Fig. 3 towards view, Fig. 5 is the structural representation of blanking plug 5.
The specific embodiment:
Present embodiment is to design on the basis of eccentric injection mandrel 666-2 and isolated valve control packer (patent No. ZL02274159.3), it is designed to one to isolated valve control packer and eccentric injection mandrel, and packer set the design of valve and deblocking valve on the eccentric injection mandrel main body.The utility model comprises eccentric injection mandrel 8, and the upper end in the slit 3 between the central tube 1 of eccentric injection mandrel 8 and packing element 2 is provided with three holes 4 that communicate with slit 3, is separately installed with blanking plug 5 in three holes, sets valve 6 and deblocking valve 7.
The operating principle of present embodiment is as follows: during water filling, the pressure transmission hole 1-1 of water under high pressure by central tube enters and sets valve 6, act on the top of tapered spool 6-1, make awl row spool 6-1 compression spring descending, set valve 6 and open, water under high pressure enters packing element 2 inner chambers, packing element 2 expands and sets, after the cavity pressure of packing element 2 acquires a certain degree, set valve 6 and close, packing element 2 still is in the state that sets that expands that takes off; When deblocking or anti-flushing well, the pressure transmission hole 7-1 of oil jacket annular pressure through deblocking valve 7 tops enters the top of deblocking valve 7, compression deblocking piston rod 7-2, and the deblocking valve stem piston is descending, thereby water imports in the central tube from weep hole 7-3 the pressure of packing element inner chamber is emitted, and packing element is regained and deblocking.Can require to allocate by the water nozzle size in the high speed blanking plug according to waterflood project behind the packer setting, after injection water can enter blanking plug 5 by inlet opening 4-2,4-3 enters the stratum by weep hole.
Claims (1)
1. integrated partially water distribution packer is sealed in a binary valve control, it comprises eccentric injection mandrel (8), the upper end that it is characterized in that the slit (3) between the central tube (1) of eccentric injection mandrel (8) and packing element (2) is provided with three holes (4) that communicate with slit (3), is separately installed with blanking plug (5) in three holes, sets valve (6) and deblocking valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420063595 CN2731081Y (en) | 2004-10-19 | 2004-10-19 | Integrated water distribution packer for controlling seal deflection of double-body valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420063595 CN2731081Y (en) | 2004-10-19 | 2004-10-19 | Integrated water distribution packer for controlling seal deflection of double-body valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2731081Y true CN2731081Y (en) | 2005-10-05 |
Family
ID=35051418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420063595 Expired - Fee Related CN2731081Y (en) | 2004-10-19 | 2004-10-19 | Integrated water distribution packer for controlling seal deflection of double-body valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2731081Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701155A (en) * | 2017-10-13 | 2018-02-16 | 中国石油化工股份有限公司 | Intelligence control formula in underground insulates injection allocation apparatus |
| CN108547603A (en) * | 2018-02-28 | 2018-09-18 | 中国石油天然气股份有限公司 | A kind of water flood recovery integrated pipe column and water injection oil extraction method |
-
2004
- 2004-10-19 CN CN 200420063595 patent/CN2731081Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701155A (en) * | 2017-10-13 | 2018-02-16 | 中国石油化工股份有限公司 | Intelligence control formula in underground insulates injection allocation apparatus |
| CN108547603A (en) * | 2018-02-28 | 2018-09-18 | 中国石油天然气股份有限公司 | A kind of water flood recovery integrated pipe column and water injection oil extraction method |
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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: 20051005 Termination date: 20131019 |