CN202273652U - Multifunctional packer for drifting, scraping and casing inspection - Google Patents
Multifunctional packer for drifting, scraping and casing inspection Download PDFInfo
- Publication number
- CN202273652U CN202273652U CN2011203631869U CN201120363186U CN202273652U CN 202273652 U CN202273652 U CN 202273652U CN 2011203631869 U CN2011203631869 U CN 2011203631869U CN 201120363186 U CN201120363186 U CN 201120363186U CN 202273652 U CN202273652 U CN 202273652U
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- drifting
- scraping
- packer
- tested
- tube multifunctional
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Abstract
The utility model relates to a multifunctional packer for drifting, scraping and casing inspection. The multifunctional packer comprises a drifting or scraping device which is arranged on a sliding rail (19) of the multifunctional packer for drifting, scraping and casing inspection so as to play a role in drifting or scraping directly. According to the multifunctional packer, not only can the drifting or scraping procedure be saved, but also a casing wall is effectively prevented from causing damage to a rubber drum, so that the setting success rate is high, the sealing performance is good and the service life is long.
Description
Technical field
The utility model relates to the field of packer; Be specifically related to a kind of drifting scraping and test the tube multifunctional packer; It can be applied to oil field high-pressure blocking-sealing water injection technology, also can be used for formation testing by layer, oil production by layer, separate stratum fracfturing, separate layer acid treatment, water detection, water blockoff, tests crude oil well stimulation technologies such as cover and sand control.
Background technology
Like product in the market such as serial packers such as Y221 series, Y111, Y341, Y241; No matter how their supporting way, seat seal the deblocking mode, all have seperated layer water injection, formation testing, oil recovery, pressure break, acidifying, water detection, water blockoff basically, test functions such as cover and sand control.Yet; There is following shortcoming in the said goods: must be with the drift size gauge tool drifting of certain specification before one, going into the well; Especially to the serious well of fouling, salt crust, wax deposition with squeeze stifled, perforated hole and also need use attachment and borehole burr on the scraper cleaning casing wall; Otherwise it is bad that not in place under packer is hampered easily, packing element is hung easily, causes the packing disabler.In the serious well of casing deformation, also very likely make the stuck down-hole accident that in sleeve pipe, causes of packer, overhaul is handled on the need, brings enormous economic loss; Two, do not possess the pipe of testing function,, can't judge that it still is that tubing string lost efficacy that packer lost efficacy, therefore can only verify, increased the workover treatment cost virtually through other measure technology in case the packing sealing performance lost efficacy in the down-hole.
The utility model content
The applicant considers the above-mentioned situation of prior art and has made the utility model.Test the tube multifunctional packer according to the drifting scraping of the utility model and be mainly minimizing drifting, scraping operation; Pipe is tested in increase, the well-flushing function designs, owing on the basis of existing serial packer construction, designed drifting or device for scraping (for example, set of blades); It can comprise drifting set of blades and scraping blade group (can according to the hole condition different choice); It is fixing on circumference, evenly to distribute, and forms drifting (scraping) outside dimension of standard, has directly played drifting or scraping action; Thereby need not increase drifting or scraping operation, just can directly go into the well.Because the set of blades design and installation is on the inclined-plane slide rail, when set of blades was met the card unfreezing, as long as the upper lifting pipe post moves down in set of blades and casing wall frictional force effect lower edge track, external diameter shrank simultaneously, can smooth unfreezing.This packer has effectively been protected packing element owing to have drifting or scraping processing borehole wall function, avoided the damage of casing wall to packing element, so the packer set success rate is high, and good seal performance uses period of validity long.This packer also is designed with anti-flushing well mechanism, and can be present is honored as a queen repeats anti-flushing well to guarantee that pit shaft is clean.Because anti-flushing well mechanism adopts hard, soft double containment technology, thus make backwashing mechanism more flexibly, sealing and more reliable more.The spherically seated design is adopted in the top connection of this packer; As long as drop into the steel ball or the interior blanking plug of salvagable pipe of certain size; Can verify the sealing performance of top tubing string; Play the pipe effect of testing very easily, can judge accurately through testing pipe whether the packer sealing performance lost efficacy, optimize working procedure, shorten duty cycle, reduce the purpose that operation accounts for products, reduction operating cost thereby reach.
An aspect according to the utility model; Provide a kind of drifting scraping to test the tube multifunctional packer; Said drifting scraping is tested the tube multifunctional packer and is comprised drifting or device for scraping, and said drifting or device for scraping are installed in said drifting scraping and test on the slide rail (19) of tube multifunctional packer.
According to an aspect of the utility model, said drifting or device for scraping evenly distribute on the circumference with drifting or scraping external diameter and fix.
According to an aspect of the utility model, said drifting or device for scraping are set of blades.
According to an aspect of the utility model, said drifting scraping is tested the top connection of tube multifunctional packer and is adopted the spherically seated design.
According to an aspect of the utility model, said drifting scraping is tested the tube multifunctional packer and is also comprised anti-flushing well mechanism, and it adopts hard, soft double containment design, and comprises backwash seating nipple, following backwash seating nipple and backwash valve.
According to an aspect of the utility model, it is in Y111, Y221, Y341, Y344, Y241, Y441, Y541, K344 and the Y455 series any that the tube multifunctional packer is tested in said drifting scraping.
The advantage of the utility model:
1, drifting, scraping function.Owing on the packer construction basis, designed set of blades (can select drifting blade or scraping blade) according to different well ' s conditions; Drifting or scraping action have directly been played; Not only can save drifting or scraping operation, and effectively prevent the damage of casing wall, so the packer set success rate is high packing element; Good seal performance uses period of validity long.
2, meet card unfreezing function.Because the set of blades design and installation is on the inclined-plane slide rail, when set of blades was met card, as long as the upper lifting pipe post moves down in set of blades and casing wall frictional force effect lower edge slide rail, external diameter shrank simultaneously, can smooth unfreezing.
3, sealing, flexible, reliable anti-flushing well function, seat is honored as a queen and can be repeated anti-flushing well to guarantee that pit shaft is clean.Because anti-flushing well mechanism adopts hard, soft double containment technology, thus make backwashing mechanism more flexibly, sealing and more reliable more.
4, independently the pipe function is tested in pitching.The spherically seated design is adopted in this packer top connection, as long as drop into the steel ball or the interior blanking plug of salvagable pipe of certain size, can verify the sealing performance of top tubing string; Play the pipe effect of testing very easily; Can judge accurately through testing pipe whether the packer sealing performance lost efficacy, thereby reach the optimization working procedure, shorten duty cycle; Reduce operation and account for product, reduce the purpose of operating cost.
Description of drawings
Fig. 1 is the sketch map of the utility model when being applied to Y221 type packer.
The specific embodiment
To come further to understand the utility model through following description through with reference to above-mentioned accompanying drawing for embodiment.
Be applied to the principle that Y221 type packer is explained the utility model as an example with the utility model below.
Fig. 1 shows the Y221 type packer of testing tube multifunctional according to the drifting scraping of the embodiment of the utility model.Because being fixed on the external diameter of the set of blades 20 on the slide rail 19 is maximum outside diameter; With the consistent size of standard drift size gauge tool or scraper, drifting or scraping action therefore in the process of going into the well, have directly been played, when set of blades 20 is met card; As long as upper lifting pipe post; Move down at set of blades 20 and casing wall function of friction lower edge track 19, set of blades 20 external diameters shrink simultaneously, can smooth unfreezing.During the seat envelope; When annotating, swinging head transfers tubing string; Centralizer body 17 moves on spring leaf 18 and internal surface of sleeve pipe function of friction, promotes slip spider 14 and drives slips 13 and move upward, and struts slips 13 and fixes with sleeve pipe through cone 12; Upper and lower backwash seating nipple 5,11 makes 7 compands of packing element group simultaneously, realizes that packer sets fully.During deblocking, the upper lifting pipe post, the slips 13 on the slip spider 14 withdraws from cone 12, and packing element group 7 return deblockings finish.Present envelope state needs anti-flushing well, and when casing pressure during greater than oil pressure, backwash valve 4 is pulled to top, and the backwash passage is opened, and can realize anti-flushing well.Backwash finishes when oil pressure during more than or equal to casing pressure, and backwash valve is closed under the effect of spring 2.The spherically seated design is adopted in the top connection 1 of this packer, when testing pipe, as long as blanking plug in the steel ball of input certain size or the salvagable pipe can be verified the sealing performance of top tubing string, thereby judge accurately whether the packer sealing performance lost efficacy.
Description to embodiment is merely example above, and is not intended to limit the scope of the utility model.The utility model is applicable to the existing all types packer that the oil field oil water gas well is used, comprises serial packer and bridging plugs such as Y111, Y221, Y341, Y344, Y241, Y441, Y541, K344, Y455.The utility model also is applicable in the future other downhole tools such as the various types of packers that occur and bridging plug.The utility model is mainly used in oil field high-pressure blocking-sealing water injection technology, and it also can be used for formation testing by layer, oil production by layer, separate stratum fracfturing, separate layer acid treatment, water detection, water blockoff, tests crude oil well stimulation technologies such as cover and sand control.
In sum, those skilled in the art will appreciate that and to make various modifications, modification and replacement that it all falls into the protection domain of the utility model of liking the claim qualification enclosed to the foregoing description of the utility model.
Claims (6)
1. the tube multifunctional packer is tested in a drifting scraping, it is characterized in that, said drifting scraping is tested the tube multifunctional packer and comprised drifting or device for scraping, and said drifting or device for scraping are installed in said drifting scraping and test on the slide rail (19) of tube multifunctional packer.
2. the tube multifunctional packer is tested in drifting scraping as claimed in claim 1, it is characterized in that, said drifting or device for scraping evenly distribute on the circumference with drifting or scraping external diameter and fix.
3. the tube multifunctional packer is tested in drifting scraping as claimed in claim 1, it is characterized in that, said drifting or device for scraping are set of blades (20).
4. test the tube multifunctional packer like one in the claim 1 to 3 described drifting scraping, it is characterized in that, said drifting scraping is tested the top connection (1) of tube multifunctional packer and is adopted the spherically seated design.
5. test the tube multifunctional packer like one in the claim 1 to 3 described drifting scraping; It is characterized in that; Said drifting scraping is tested the tube multifunctional packer and is also comprised anti-flushing well mechanism; It adopts hard, soft double containment design, and comprises backwash seating nipple (5), following backwash seating nipple (11) and backwash valve (4).
6. test the tube multifunctional packer like one in the claim 1 to 3 described drifting scraping; It is characterized in that it is in Y111, Y221, Y341, Y344, Y241, Y441, Y541, K344 and the Y455 series any that the tube multifunctional packer is tested in said drifting scraping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203631869U CN202273652U (en) | 2011-09-27 | 2011-09-27 | Multifunctional packer for drifting, scraping and casing inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203631869U CN202273652U (en) | 2011-09-27 | 2011-09-27 | Multifunctional packer for drifting, scraping and casing inspection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202273652U true CN202273652U (en) | 2012-06-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203631869U Expired - Fee Related CN202273652U (en) | 2011-09-27 | 2011-09-27 | Multifunctional packer for drifting, scraping and casing inspection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202273652U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185410A (en) * | 2019-05-27 | 2019-08-30 | 濮阳市元亨利通石油机械有限公司 | High-pressure seal examining device and its application method |
| CN113586008A (en) * | 2021-09-28 | 2021-11-02 | 胜利油田东润机械工程有限责任公司 | Packer for oil-water well |
-
2011
- 2011-09-27 CN CN2011203631869U patent/CN202273652U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185410A (en) * | 2019-05-27 | 2019-08-30 | 濮阳市元亨利通石油机械有限公司 | High-pressure seal examining device and its application method |
| CN113586008A (en) * | 2021-09-28 | 2021-11-02 | 胜利油田东润机械工程有限责任公司 | Packer for oil-water well |
| CN113586008B (en) * | 2021-09-28 | 2021-12-07 | 胜利油田东润机械工程有限责任公司 | Packer for oil-water well |
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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: 20120613 Termination date: 20140927 |
|
| EXPY | Termination of patent right or utility model |