CN203547657U - Circulating valve - Google Patents
Circulating valve Download PDFInfo
- Publication number
- CN203547657U CN203547657U CN201320463125.9U CN201320463125U CN203547657U CN 203547657 U CN203547657 U CN 203547657U CN 201320463125 U CN201320463125 U CN 201320463125U CN 203547657 U CN203547657 U CN 203547657U
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- China
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- wall
- urceolus
- screw thread
- inwall
- top connection
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Abstract
The utility model relates to the technical field of circulating valve devices in oil and gas field well completion operation, in particular to a circulating valve which comprises an upper connector, a lower connector, an outer cylinder, a mandrel, an inner slide sleeve and a reset spring, wherein an inner annular clamping platform is fixed on the inner wall in the middle of the upper connector, and an inner annular platform is fixed on the inner wall of the lower connector; the inner wall at the upper portion of the outer cylinder and the outer wall at the lower portion of the upper connector are fixedly installed together, the inner wall at the lower portion of the outer cylinder and the outer wall at the upper portion of the lower connector are fixedly installed together, the mandrel is arranged between the inner annular clamping platform and the inner annular platform, the upper end and the lower end of the mandrel abut against the lower end of the inner annular clamping platform and the upper end of the inner annular platform, an annular installation cavity is formed among the upper connector, the lower connector, the mandrel and the outer cylinder, and the inner slide sleeve is arranged in the upper portion of the installation cavity. The circulating valve is reasonable and compact in structure, convenient to use, safe and reliable, simple and fast in construction progress, capable of effectively ensuring circulation of cement paste to be clean and enabling effective implementation of underground well completion operation.
Description
Technical field
the utility model relates to circulation valve device technical field in the solid completion practice of oil gas field, is a kind of circulating valve.
Background technology
in the solid completion practice of Oil/gas Well, conventional cementing method is to be lowered into after the design attitude of shaft bottom at completion pipe string, carry out pitching operation, ground builds the pressure and makes hanger sit extension, the operation of giving up of running tool is carried out on ground simultaneously, after the operation of giving up completes smoothly, ground starts to carry out cementing well operation; After well cementing operation completes, ground puts and puts on carrying out, and carries out the operation that sets of packer.After packer setting is good, running tool is proposed to ground, so far, well cementing operation completes.But in this process, due to setting of packer, when packer upper water mud backwash operation is carried out on ground, generally to lift from after tie-back sleeve by running tool, the operation of pump liquid is carried out on ground, the cement paste of packer top is circulated to ground, though this process can meet well shaft fixing technology measure, but construction is complicated, even occurred that top cement paste failed the clean phenomenon that circulates.
Summary of the invention
the utility model provides a kind of circulating valve, has overcome the deficiency of above-mentioned prior art, and it is complicated and cannot guarantee the cement paste clean problem that circulates that it can effectively solve existing well cementation cycle operation construction.
the technical solution of the utility model realizes by following measures: a kind of circulating valve, comprises top connection, lower contact, urceolus, axle, inner sliding sleeve and back-moving spring, on the middle part inwall of top connection, be fixed with interior annular snap platform, on the inwall of lower contact, be fixed with interior ring platform, the bottom outer wall of the upper inside wall of urceolus and top connection is fixedly installed togather, the lower inner wall of urceolus and the external wall of upper portion of lower contact are fixedly installed togather, the top and bottom that axle and axle are installed between interior annular snap platform and interior ring platform offset with the lower end of interior annular snap platform and the upper end of interior ring platform respectively, top connection, lower contact, between axle and urceolus, form annular installation cavity, in the top of installation cavity, inner sliding sleeve is installed, the inner and outer wall of inner sliding sleeve fits tightly with the outer wall of axle and the inwall of urceolus respectively, in the installation cavity of inner sliding sleeve below, the back-moving spring that is vertical compressive state is installed, the middle part of urceolus is hole outside even circumferential is distributed with at least one circulation, in the upper inside wall of inner sliding sleeve, there is annular hydraulic pressure groove, in the axle of corresponding hydraulic pressure groove, along even circumferential, be distributed with the circulation endoporus of at least one, on the bottom outer wall of inner sliding sleeve, there is annular mounting groove, the shear pin of at least one is installed along even circumferential on the urceolus of corresponding annular mounting groove, the inner of shear pin is positioned at annular mounting groove.
the further optimization and/or improvements to above-mentioned utility model technical scheme below:
the middle part of above-mentioned urceolus is hole outside even circumferential is distributed with six circulations.
in the axle of above-mentioned corresponding hydraulic pressure groove, along even circumferential, be distributed with eight circulation endoporus.
the shear pin of six is installed along even circumferential on the urceolus of above-mentioned corresponding annular mounting groove.
between the bottom outer wall of above-mentioned top connection and the inwall of urceolus, be installed with sealing ring, between the upper end outer wall of inner sliding sleeve and the inwall of urceolus, be installed with sealing ring, between the lower end inwall of inner sliding sleeve and the inwall of axle, be installed with sealing ring, between the upper end inwall of lower contact and axle outer wall, be installed with sealing ring.
the bottom outer wall of the upper inside wall of above-mentioned urceolus and top connection is fixedly installed togather by screw thread, the lower inner wall of urceolus and the external wall of upper portion of lower contact are fixedly installed togather by screw thread, there are internal thread or external screw thread in the upper end of top connection, and there are internal thread or external screw thread in the lower end of lower contact.
the utility model reasonable and compact in structure, easy to use, safe and reliable, and work progress is simple and efficient, can effectively guarantee the clean of cement paste circulation, makes effective enforcement of the solid completion practice in down-hole.
Accompanying drawing explanation
accompanying drawing 1 is looked half section structural representation for the master of the utility model most preferred embodiment.
accompanying drawing 2 is that the A-A of accompanying drawing 1 is to sectional structure schematic diagram.
coding in accompanying drawing is respectively: 1 is top connection, and 2 is interior annular snap platform, and 3 is shear pin, 4 is lower contact, and 5 is interior ring platform, and 6 is sealing ring, 7 is urceolus, and 8 is axle, and 9 is installation cavity, 10 is inner sliding sleeve, 11 is back-moving spring, and 12 is the outer hole of circulation, and 13 is hydraulic pressure groove, 14 is circulation endoporus, and 15 is annular mounting groove.
The specific embodiment
the utility model is not subject to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is to be all described according to the Butut mode of Figure of description 1, as: the position relationship of upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in Figure 1, this circulating valve comprises top connection 1, lower contact 4 and urceolus 7, on the middle part inwall of top connection 1, be fixed with interior annular snap platform 2, on the inwall of lower contact 4, be fixed with interior ring platform 5, the bottom outer wall of the upper inside wall of urceolus 7 and top connection 1 is fixedly installed togather, the external wall of upper portion of the lower inner wall of urceolus 7 and lower contact 4 is fixedly installed togather, the top and bottom that axle 8 and axle 8 are installed between interior annular snap platform 2 and interior ring platform 5 offset with the lower end of interior annular snap platform 2 and the upper end of interior ring platform 5 respectively, top connection 1, lower contact 4, between axle 8 and urceolus 7, form annular installation cavity 9, inner sliding sleeve 10 is installed in the top of installation cavity 9, the inner and outer wall of inner sliding sleeve 10 fits tightly with the outer wall of axle 8 and the inwall of urceolus 7 respectively, the back-moving spring 11 that is vertical compressive state is installed in the installation cavity 9 between inner sliding sleeve 10 and lower contact 4, the middle part of urceolus 7 is hole 12 outside even circumferential is distributed with at least one circulation, in the upper inside wall of inner sliding sleeve 10, there is annular hydraulic pressure groove 13, in the axle 8 of corresponding hydraulic pressure groove 13, along even circumferential, be distributed with the circulation endoporus 14 of at least one, on the bottom outer wall of inner sliding sleeve 10, there is annular mounting groove 15, the shear pin 3 of at least one is installed along even circumferential on the urceolus 7 of corresponding annular mounting groove 15, the inner of shear pin 3 is positioned at annular mounting groove 15.After cementing completes, bruising operation is carried out on ground, after bruising completes, carry out setting of top packer, after top packer has set, the ground operation that builds the pressure, high-pressure fluid enters hydraulic pressure groove 13 inside by circulation endoporus 14, when pressure reaches certain value, shear pin 3 is cut off, it is descending that high-pressure fluid promotes inner sliding sleeve 10, after going downwards to certain position, circulate outer hole 12 by out exposed, thereby make high-pressure fluid enter annular space and carry out cycle operation, when cycle operation finishes, ground termination of pumping, inner sliding sleeve 10 is moved upward to initial position under the effect of back-moving spring 11, carry out hole, the pass operation of urceolus 7.
can according to actual needs, above-mentioned circulating valve be made further optimization and/or improvements:
as shown in Figure 1, hole 12 outside even circumferential is distributed with six circulations, the middle part of urceolus 7.
as shown in Figure 1, in the axle 8 of corresponding hydraulic pressure groove 13, along even circumferential, be distributed with eight circulation endoporus 14.
as shown in Figure 1, on the urceolus 7 of corresponding annular mounting groove 15, along even circumferential, the shear pin 3 of six is installed.
as shown in Figure 1, between the bottom outer wall of top connection 1 and the inwall of urceolus 7, be installed with sealing ring 6, between the upper end outer wall of inner sliding sleeve 10 and the inwall of urceolus 7, be installed with sealing ring 6, between the lower end inwall of inner sliding sleeve 10 and the inwall of axle 8, be installed with sealing ring 6, between the upper end inwall of lower contact 4 and axle 8 outer walls, be installed with sealing ring 6.Sealing ring 6 between top connection 1 and urceolus 7 is realized static seal, and the sealing ring 6 between inner sliding sleeve 10 and urceolus 7 is realized movable sealing, and the sealing ring 6 between inner sliding sleeve 10 and axle 8 is realized movable sealing, and the sealing ring 6 between lower contact 4 and axle 8 is realized static seal.
as shown in Figure 1, the bottom outer wall of the upper inside wall of urceolus 7 and top connection 1 is fixedly installed togather by screw thread, the external wall of upper portion of the lower inner wall of urceolus 7 and lower contact 4 is fixedly installed togather by screw thread, there are internal thread or external screw thread in the upper end of top connection 1, and there are internal thread or external screw thread in the lower end of lower contact 4.Be threaded and be easily installed in dismounting.
above technical characterictic has formed most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
Claims (17)
1. a circulating valve, is characterized in that comprising top connection, lower contact, urceolus, axle, inner sliding sleeve and back-moving spring, on the middle part inwall of top connection, be fixed with interior annular snap platform, on the inwall of lower contact, be fixed with interior ring platform, the bottom outer wall of the upper inside wall of urceolus and top connection is fixedly installed togather, the lower inner wall of urceolus and the external wall of upper portion of lower contact are fixedly installed togather, the top and bottom that axle and axle are installed between interior annular snap platform and interior ring platform offset with the lower end of interior annular snap platform and the upper end of interior ring platform respectively, top connection, lower contact, between axle and urceolus, form annular installation cavity, in the top of installation cavity, inner sliding sleeve is installed, the inner and outer wall of inner sliding sleeve fits tightly with the outer wall of axle and the inwall of urceolus respectively, in the installation cavity of inner sliding sleeve below, the back-moving spring that is vertical compressive state is installed, the middle part of urceolus is hole outside even circumferential is distributed with at least one circulation, in the upper inside wall of inner sliding sleeve, there is annular hydraulic pressure groove, in the axle of corresponding hydraulic pressure groove, along even circumferential, be distributed with the circulation endoporus of at least one, on the bottom outer wall of inner sliding sleeve, there is annular mounting groove, the shear pin of at least one is installed along even circumferential on the urceolus of corresponding annular mounting groove, the inner of shear pin is positioned at annular mounting groove.
2. circulating valve according to claim 1, is characterized in that hole outside even circumferential is distributed with six circulations, middle part of urceolus.
3. circulating valve according to claim 1 and 2, is characterized in that along even circumferential, being distributed with eight circulation endoporus in the axle of corresponding hydraulic pressure groove.
4. circulating valve according to claim 1 and 2, is characterized in that along even circumferential, the shear pin of six being installed on the urceolus of corresponding annular mounting groove.
5. circulating valve according to claim 3, is characterized in that along even circumferential, the shear pin of six being installed on the urceolus of corresponding annular mounting groove.
6. circulating valve according to claim 1 and 2, it is characterized in that being installed with sealing ring between the bottom outer wall of top connection and the inwall of urceolus, between the upper end outer wall of inner sliding sleeve and the inwall of urceolus, be installed with sealing ring, between the lower end inwall of inner sliding sleeve and the inwall of axle, be installed with sealing ring, between the upper end inwall of lower contact and axle outer wall, be installed with sealing ring.
7. circulating valve according to claim 3, it is characterized in that being installed with sealing ring between the bottom outer wall of top connection and the inwall of urceolus, between the upper end outer wall of inner sliding sleeve and the inwall of urceolus, be installed with sealing ring, between the lower end inwall of inner sliding sleeve and the inwall of axle, be installed with sealing ring, between the upper end inwall of lower contact and axle outer wall, be installed with sealing ring.
8. circulating valve according to claim 4, it is characterized in that being installed with sealing ring between the bottom outer wall of top connection and the inwall of urceolus, between the upper end outer wall of inner sliding sleeve and the inwall of urceolus, be installed with sealing ring, between the lower end inwall of inner sliding sleeve and the inwall of axle, be installed with sealing ring, between the upper end inwall of lower contact and axle outer wall, be installed with sealing ring.
9. circulating valve according to claim 5, it is characterized in that being installed with sealing ring between the bottom outer wall of top connection and the inwall of urceolus, between the upper end outer wall of inner sliding sleeve and the inwall of urceolus, be installed with sealing ring, between the lower end inwall of inner sliding sleeve and the inwall of axle, be installed with sealing ring, between the upper end inwall of lower contact and axle outer wall, be installed with sealing ring.
10. circulating valve according to claim 1 and 2, it is characterized in that the upper inside wall of urceolus and the bottom outer wall of top connection are fixedly installed togather by screw thread, the lower inner wall of urceolus and the external wall of upper portion of lower contact are fixedly installed togather by screw thread, there are internal thread or external screw thread in the upper end of top connection, and there are internal thread or external screw thread in the lower end of lower contact.
11. circulating valves according to claim 3, it is characterized in that the upper inside wall of urceolus and the bottom outer wall of top connection are fixedly installed togather by screw thread, the lower inner wall of urceolus and the external wall of upper portion of lower contact are fixedly installed togather by screw thread, there are internal thread or external screw thread in the upper end of top connection, and there are internal thread or external screw thread in the lower end of lower contact.
12. circulating valves according to claim 4, it is characterized in that the upper inside wall of urceolus and the bottom outer wall of top connection are fixedly installed togather by screw thread, the lower inner wall of urceolus and the external wall of upper portion of lower contact are fixedly installed togather by screw thread, there are internal thread or external screw thread in the upper end of top connection, and there are internal thread or external screw thread in the lower end of lower contact.
13. circulating valves according to claim 5, it is characterized in that the upper inside wall of urceolus and the bottom outer wall of top connection are fixedly installed togather by screw thread, the lower inner wall of urceolus and the external wall of upper portion of lower contact are fixedly installed togather by screw thread, there are internal thread or external screw thread in the upper end of top connection, and there are internal thread or external screw thread in the lower end of lower contact.
14. circulating valves according to claim 6, it is characterized in that the upper inside wall of urceolus and the bottom outer wall of top connection are fixedly installed togather by screw thread, the lower inner wall of urceolus and the external wall of upper portion of lower contact are fixedly installed togather by screw thread, there are internal thread or external screw thread in the upper end of top connection, and there are internal thread or external screw thread in the lower end of lower contact.
15. circulating valves according to claim 7, it is characterized in that the upper inside wall of urceolus and the bottom outer wall of top connection are fixedly installed togather by screw thread, the lower inner wall of urceolus and the external wall of upper portion of lower contact are fixedly installed togather by screw thread, there are internal thread or external screw thread in the upper end of top connection, and there are internal thread or external screw thread in the lower end of lower contact.
16. circulating valves according to claim 8, it is characterized in that the upper inside wall of urceolus and the bottom outer wall of top connection are fixedly installed togather by screw thread, the lower inner wall of urceolus and the external wall of upper portion of lower contact are fixedly installed togather by screw thread, there are internal thread or external screw thread in the upper end of top connection, and there are internal thread or external screw thread in the lower end of lower contact.
17. circulating valves according to claim 9, it is characterized in that the upper inside wall of urceolus and the bottom outer wall of top connection are fixedly installed togather by screw thread, the lower inner wall of urceolus and the external wall of upper portion of lower contact are fixedly installed togather by screw thread, there are internal thread or external screw thread in the upper end of top connection, and there are internal thread or external screw thread in the lower end of lower contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463125.9U CN203547657U (en) | 2013-07-31 | 2013-07-31 | Circulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463125.9U CN203547657U (en) | 2013-07-31 | 2013-07-31 | Circulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203547657U true CN203547657U (en) | 2014-04-16 |
Family
ID=50465786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320463125.9U Expired - Fee Related CN203547657U (en) | 2013-07-31 | 2013-07-31 | Circulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203547657U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736711A (en) * | 2016-04-18 | 2016-07-06 | 兰州兰石集团有限公司 | Novel external control type hydraulic circulating valve |
| CN106639935A (en) * | 2017-02-06 | 2017-05-10 | 长江大学 | Continuous circulating valve |
| CN108457619A (en) * | 2018-02-14 | 2018-08-28 | 中国石油集团西部钻探工程有限公司 | Less radio-frequency trigger-type multiple switching by-pass valve device assembly |
-
2013
- 2013-07-31 CN CN201320463125.9U patent/CN203547657U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736711A (en) * | 2016-04-18 | 2016-07-06 | 兰州兰石集团有限公司 | Novel external control type hydraulic circulating valve |
| CN106639935A (en) * | 2017-02-06 | 2017-05-10 | 长江大学 | Continuous circulating valve |
| CN106639935B (en) * | 2017-02-06 | 2019-08-13 | 长江大学 | A kind of continuous circulating valve |
| CN108457619A (en) * | 2018-02-14 | 2018-08-28 | 中国石油集团西部钻探工程有限公司 | Less radio-frequency trigger-type multiple switching by-pass valve device assembly |
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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: 20140416 Termination date: 20200731 |