CN203867502U - Hydraulic releasing tool - Google Patents
Hydraulic releasing tool Download PDFInfo
- Publication number
- CN203867502U CN203867502U CN201420056964.3U CN201420056964U CN203867502U CN 203867502 U CN203867502 U CN 203867502U CN 201420056964 U CN201420056964 U CN 201420056964U CN 203867502 U CN203867502 U CN 203867502U
- Authority
- CN
- China
- Prior art keywords
- elastic claw
- claw body
- annular groove
- wall
- annular
- 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
Links
- 210000000078 Claw Anatomy 0.000 claims abstract description 70
- 238000009434 installation Methods 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 206010024453 Ligament sprain Diseases 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000994 depressed Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The utility model relates to the technical field of downhole releasing tools, in particular to a hydraulic releasing tool. The hydraulic releasing tool comprises an upper connector, an elastic claw body, a lower connector and a supporting sleeve body. The inner wall of the lower end of the upper connector is provided with an upper installing ring groove. An annular boss is integrally fixed to the outer wall in the middle of the elastic claw body, the outer wall of the portion, located above the annular boss, of the elastic claw body and the inner wall of the upper installing ring groove are fixedly installed together, at least one claw head is fixed to the lower end of the elastic claw body along the circumference, the inner diameter of the claw head is the same as that of the elastic claw body, and the outer diameter of the claw head is larger than that of the elastic claw body. The inner wall of the upper end of the lower connector is provided with a lower installing ring groove, an annular clamping groove matched with the claw head is formed in the inner wall of the lower portion of the lower installing ring groove, the inner diameter of the lower connector is matched with that of the elastic claw body, and the portion, below the annular boss, of the elastic claw body is sleeved with the lower installing ring groove. The hydraulic releasing tool is reasonable and compact in structure, easy and reliable to operate and safe and fast to use, and the releasing operation can be achieved by throwing balls and building the pressure on a well mouth.
Description
Technical field
the utility model relates to down-hole releasing tool technical field, is a kind of hydraulic releasing tool.
Background technology
when the solid completion of exploitation of oil-gas field, some technique need to deliver to by tail pipe or some special tool(s)s the operation of giving up after design attitude in Oil/gas Well with sending into tubing string, makes to send into tubing string and is admitted to tail pipe and special tool(s) is thrown off, and will send into tubing string and propose well head.Present stage, the conventional method of giving up was that machinery is given up, operation relative complex.
Summary of the invention
the utility model provides a kind of hydraulic releasing tool, has overcome the deficiency of above-mentioned prior art, and it can effectively solve the give up problem of complex procedures of current releasing tool.
the technical solution of the utility model realizes by following measures: a kind of hydraulic releasing tool, comprises top connection, elastic claw body, lower contact and support set body, on the lower end inwall of top connection, there is upper installation annular groove, on the middle part outer wall of elastic claw body, one is fixed with annular boss, elastic claw body outer wall and the upper installation annular groove inwall of annular boss top are fixedly installed togather, the internal diameter that the lower end edge circumference of elastic claw body is fixed with at least one is identical with elastic claw body internal diameter, external diameter is greater than the pawl head of this body diameter of elastic claw, on the upper end inwall of lower contact, there is lower installation annular groove, in the lower inner wall of lower installation annular groove, there is the annular slot matching with pawl head, the internal diameter of the internal diameter of lower contact and elastic claw body matches, the elastic claw body of annular boss below is sleeved in lower installation annular groove and pawl head is positioned at annular slot, in the upper inside wall of elastic claw body, there is annular stop groove, on the outer wall of support set body, there is annular groove, on the support set body outer wall of annular groove top, one is fixed with the positive stop lug boss that external diameter and annular stop groove internal diameter match, outside the lower end of support set body, one is fixed with the mounting cylinder that external diameter and lower contact internal diameter match, between mounting cylinder and lower contact, by shear pin, be fixedly installed togather and positive stop lug boss is positioned at annular stop groove, on the lower end inwall of support set body, one is fixed with ball seat, the internal diameter of top connection is less than the external diameter of positive stop lug boss, distance between positive stop lug boss lower end to annular stop groove lower surface is greater than the distance of annular groove lower surface to lower installation annular groove lower surface.
the further optimization and/or improvements to above-mentioned utility model technical scheme below:
the lower end edge even circumferential of above-mentioned elastic claw body is fixed with 6 or 8 s' the pawl head that internal diameter is identical with elastic claw body internal diameter, external diameter is greater than this body diameter of elastic claw.
the interior abducent inclined-plane of serving as reasons, the upper surface of above-mentioned ball seat.
above-mentioned elastic claw body and on install between annular groove and be installed with sealing ring, between positive stop lug boss and elastic claw body, be installed with sealing ring, between support set body and lower contact, be installed with sealing ring.
elastic claw body outer wall and the upper installation annular groove inwall of above-mentioned annular boss top are fixedly installed togather by screw thread.
the utility model reasonable and compact in structure, adopts pitching, at well head, builds the pressure and just can realize the operation of giving up, and operation is simple and reliable, safe and efficient.
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 upper installation annular groove, and 3 is elastic claw body, 4 is annular boss, and 5 is pawl head, and 6 is lower contact, 7 is lower installation annular groove, and 8 is annular slot, and 9 is annular stop groove, 10 is support set body, and 11 is annular groove, and 12 is positive stop lug boss, 13 is mounting cylinder, 14 is shear pin, and 15 is ball seat, and 16 is O RunddichtringO.
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 accompanying drawing 1,2, this hydraulic releasing tool comprises top connection 1, elastic claw body 3, lower contact 6 and support set body 10, on the lower end inwall of top connection 1, there is upper installation annular groove 2, on the middle part outer wall of elastic claw body 3, one is fixed with annular boss 4, elastic claw body 3 outer walls of annular boss 4 tops and upper installation annular groove 2 inwalls are fixedly installed togather, the internal diameter that the lower end edge circumference of elastic claw body 3 is fixed with at least one is identical with elastic claw body 3 internal diameters, external diameter is greater than the pawl head 5 of elastic claw body 3 external diameters, on the upper end inwall of lower contact 6, there is lower installation annular groove 7, in the lower inner wall of lower installation annular groove 7, there is the annular slot 8 matching with pawl head 5, the internal diameter of the internal diameter of lower contact 6 and elastic claw body 3 matches, the elastic claw body 3 of annular boss 4 belows is sleeved in lower installation annular groove 7 and pawl head 5 is positioned at annular slot 8, in the upper inside wall of elastic claw body 3, there is annular stop groove 9, on the outer wall of support set body 10, there is annular groove 11, on support set body 10 outer walls of annular groove 11 tops, one is fixed with the positive stop lug boss 12 that external diameter and annular stop groove 9 internal diameters match, outside the lower end of support set body 10, one is fixed with the mounting cylinder 13 that external diameter and lower contact 6 internal diameters match, between mounting cylinder 13 and lower contact 6, by shear pin 14, be fixedly installed togather and positive stop lug boss 12 is positioned at annular stop groove 9, on the lower end inwall of support set body 10, one is fixed with ball seat 15, the internal diameter of top connection 1 is less than the external diameter of positive stop lug boss 12, distance between positive stop lug boss 12 lower ends to annular stop groove 9 lower surfaces is greater than the distance of annular groove 11 lower surfaces to lower installation annular groove 7 lower surfaces.The utility model is accessed in completion pipe string, completion pipe string is down to pitching after design attitude, when coming downwards to ball seat 15 position, ball blocked by ball seat 15, then sprain and be depressed into design pressure value, shear pin 14 is cut off, and support set body 10 moves down with respect to elastic claw body 3, and pawl head 5 enters in annular groove 11, at this moment pawl head 5 is separated with lower contact 6 throws off elastic claw body 3 and lower contact 6, thereby realize, gives up; Give up in process, annular stop groove 9 lower surfaces can be carried out positive stop lug boss 12 spacing, prevent that support set body 10 from coming off, and upper limit can be carried out to positive stop lug boss 12 in the upper surface of upper installation annular groove 2, prevent in the course of the work, support set body 10 is up to be deviate from.The utility model adopts pitching, at well head, builds the pressure and just can realize the operation of giving up, and operation is simple and reliable.
can according to actual needs, above-mentioned hydraulic releasing tool be made further optimization and/or improvements:
as shown in accompanying drawing 1,2, the lower end edge even circumferential of elastic claw body 3 is fixed with 6 or 8 s' the pawl head 5 that internal diameter is identical with elastic claw body 3 internal diameters, external diameter is greater than elastic claw body 3 external diameters.6 or 8 pawl heads 5 have better implementation result.
as shown in Figure 1, the interior abducent inclined-plane of serving as reasons, the upper surface of ball seat 15.The ball of input can be better accepted on inclined-plane.
as shown in Figure 1, elastic claw body 3 and on install and between annular groove 2, be installed with O RunddichtringO 16, can further guarantee elastic claw body 3 and on sealing effectiveness good between annular groove 2 is installed, between positive stop lug boss 12 and elastic claw body 3, be installed with O RunddichtringO 16, can further guarantee sealing effectiveness good between positive stop lug boss 12 and elastic claw body 3, between support set body 10 and lower contact 6, be installed with O RunddichtringO 16, can further guarantee sealing effectiveness good between support set body 10 and lower contact 6.
as shown in Figure 1, elastic claw body 3 outer walls of annular boss 4 tops and upper installation annular groove 2 inwalls are fixedly installed togather by screw thread.Be threaded and facilitate installation and removal.
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 (11)
1. a hydraulic releasing tool, is characterized in that comprising top connection, elastic claw body, lower contact and support set body, on the lower end inwall of top connection, there is upper installation annular groove, on the middle part outer wall of elastic claw body, one is fixed with annular boss, elastic claw body outer wall and the upper installation annular groove inwall of annular boss top are fixedly installed togather, the internal diameter that the lower end edge circumference of elastic claw body is fixed with at least one is identical with elastic claw body internal diameter, external diameter is greater than the pawl head of this body diameter of elastic claw, on the upper end inwall of lower contact, there is lower installation annular groove, in the lower inner wall of lower installation annular groove, there is the annular slot matching with pawl head, the internal diameter of the internal diameter of lower contact and elastic claw body matches, the elastic claw body of annular boss below is sleeved in lower installation annular groove and pawl head is positioned at annular slot, in the upper inside wall of elastic claw body, there is annular stop groove, on the outer wall of support set body, there is annular groove, on the support set body outer wall of annular groove top, one is fixed with the positive stop lug boss that external diameter and annular stop groove internal diameter match, outside the lower end of support set body, one is fixed with the mounting cylinder that external diameter and lower contact internal diameter match, between mounting cylinder and lower contact, by shear pin, be fixedly installed togather and positive stop lug boss is positioned at annular stop groove, on the lower end inwall of support set body, one is fixed with ball seat, the internal diameter of top connection is less than the external diameter of positive stop lug boss, distance between positive stop lug boss lower end to annular stop groove lower surface is greater than the distance of annular groove lower surface to lower installation annular groove lower surface.
2. hydraulic releasing tool according to claim 1, the lower end edge even circumferential that it is characterized in that elastic claw body is fixed with 6 or 8 s' the pawl head that internal diameter is identical with elastic claw body internal diameter, external diameter is greater than this body diameter of elastic claw.
3. hydraulic releasing tool according to claim 1 and 2, the interior abducent inclined-plane of serving as reasons, the upper surface that it is characterized in that ball seat.
4. hydraulic releasing tool according to claim 1 and 2, it is characterized in that elastic claw body and on install and between annular groove, be installed with sealing ring, between positive stop lug boss and elastic claw body, be installed with sealing ring, between support set body and lower contact, be installed with sealing ring.
5. hydraulic releasing tool according to claim 3, it is characterized in that elastic claw body and on install and between annular groove, be installed with sealing ring, between positive stop lug boss and elastic claw body, be installed with sealing ring, between support set body and lower contact, be installed with sealing ring.
6. hydraulic releasing tool according to claim 4, it is characterized in that elastic claw body and on install and between annular groove, be installed with sealing ring, between positive stop lug boss and elastic claw body, be installed with sealing ring, between support set body and lower contact, be installed with sealing ring.
7. hydraulic releasing tool according to claim 1 and 2, is characterized in that elastic claw body outer wall and the upper installation annular groove inwall of annular boss top is fixedly installed togather by screw thread.
8. hydraulic releasing tool according to claim 3, is characterized in that elastic claw body outer wall and the upper installation annular groove inwall of annular boss top is fixedly installed togather by screw thread.
9. hydraulic releasing tool according to claim 4, is characterized in that elastic claw body outer wall and the upper installation annular groove inwall of annular boss top is fixedly installed togather by screw thread.
10. hydraulic releasing tool according to claim 5, is characterized in that elastic claw body outer wall and the upper installation annular groove inwall of annular boss top is fixedly installed togather by screw thread.
11. hydraulic releasing tools according to claim 6, is characterized in that elastic claw body outer wall and the upper installation annular groove inwall of annular boss top is fixedly installed togather by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056964.3U CN203867502U (en) | 2014-01-29 | 2014-01-29 | Hydraulic releasing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056964.3U CN203867502U (en) | 2014-01-29 | 2014-01-29 | Hydraulic releasing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867502U true CN203867502U (en) | 2014-10-08 |
Family
ID=51648472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420056964.3U Expired - Fee Related CN203867502U (en) | 2014-01-29 | 2014-01-29 | Hydraulic releasing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203867502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091065A (en) * | 2017-05-31 | 2017-08-25 | 中国石油集团西部钻探工程有限公司 | Exempt to bore ball seat |
-
2014
- 2014-01-29 CN CN201420056964.3U patent/CN203867502U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091065A (en) * | 2017-05-31 | 2017-08-25 | 中国石油集团西部钻探工程有限公司 | Exempt to bore ball seat |
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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: 20141008 Termination date: 20210129 |