CN204899844U - Hydraulic pressure trompil formula is bound round in grades - Google Patents
Hydraulic pressure trompil formula is bound round in grades Download PDFInfo
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- CN204899844U CN204899844U CN201520650457.7U CN201520650457U CN204899844U CN 204899844 U CN204899844 U CN 204899844U CN 201520650457 U CN201520650457 U CN 201520650457U CN 204899844 U CN204899844 U CN 204899844U
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- sliding sleeve
- outer sliding
- hydraulic pressure
- inverted draw
- draw cut
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Abstract
The utility model discloses a hydraulic pressure trompil formula is bound round in grades, it mainly includes takeover, body and takes over down, on upward the takeover is connected to the body, takes over the lower extreme that is connected to the body down, and the inner wall of body is equipped with outer sliding sleeve, and the inner wall of outer sliding sleeve is equipped with interior sliding sleeve, being equipped with the interior sliding sleeve of support of pinning on the outer sliding sleeve, and the lower extreme of body is equipped with down the pin. The beneficial effect of the utility model have: the opening of notes liquid hole, the process of closing, simple structure and excellent in use effect are realized through crossing the liquid hole and annotating whether aliging of liquid hole to the in -process that moves down through outer sliding sleeve, after the well cementation completion, the fixture block is because the internal pressure effect makes its card in the draw -in groove, and this makes outer sliding sleeve not understand and slides from top to bottom, has strengthened stability, because the hydraulic increases, and the pin fracture is gone up to final making in the use, interior sliding sleeve and the plug shaft bottom of dropping together, the link that need not to clear up unnecessary member like this increases work efficiency.
Description
Technical field
The utility model relates to a kind of diversity hoop, and particularly a kind of hydraulic pressure perforating sizing collar, belongs to Petroleum Production technical field.
Background technology
Current, most of oil field shallow-layer is explored exploitation.In order to obtain more oil and gas reserves and exploitation output, the exploration of middle-deep well, deep-well and ultradeep well and exploitation can only be disposed.In middle-deep well, deep-well and ultradeep well, due to oil-gas Layer between the upper and lower every large, gas and formation water to reasons such as casing corrosions, need to implement sealing technique to full well.Comparatively early, full well sealing adopts traditional cements one-time up-return well shaft fixing technology usually, and this technique is often missed, and gently then cement returns not high, and the quality accident of not sealing appears in heavy then top oil reservoir.Adopt low-density high-strength cement to carry out one-time up-return well shaft fixing technology and carry out the needs of cementing operations that well cementation can meet a part of well, because low-density high-strength cementing intensity is low, be easy to crushed pressure when later stage pressing crack construction alter, low-density high-strength cement cost is also very high simultaneously.Therefore, one-time up-return well shaft fixing technology can not meet cementing requirements, and then the development plan of most of Oilfield Company all requires fraclional well cementing technique must be used to cement the well for the Oil/gas Well of vertical depth more than 2500 meters.Fraclional well cementing technique needs to adopt sizing collar.Sizing collar is arranged in the classification position of sleeve pipe.Existing sizing collar often complex structure, inside is provided with multiple sleeve pipe, and this also causes stability not enough simultaneously.
Utility model content
The technical problems to be solved in the utility model, is to provide a kind of hydraulic pressure perforating sizing collar, and this sizing collar structure is simple, and stability in use is good.
The utility model is realized by following proposal: a kind of hydraulic pressure perforating sizing collar, it mainly comprises upper connecting tube, body and lower linking tube, described upper connecting tube is connected to described body upper end, described lower linking tube is connected to the lower end of described body, the centre position of described body is provided with liquid injection hole, the inwall of described body is provided with outer sliding sleeve, described outer sliding sleeve is provided with inverted draw cut, the described body position corresponding with described inverted draw cut is provided with the chute be connected with described inverted draw cut, jacking block is provided with in described inverted draw cut, the centre position of described inverted draw cut and chute is provided with slide block, described slide block connects described body and described outer sliding sleeve, the inwall of described outer sliding sleeve is provided with inner sliding sleeve, the lower end of described inner sliding sleeve is provided with limited block, described outer sliding sleeve is provided with inner sliding sleeve described in dowel support, the afterbody of described outer sliding sleeve is provided with fixture block, described outer sliding sleeve is provided with liquid pass hole, described liquid pass hole is arranged on the upper end of described inverted draw cut, the lower end of described body is provided with lower pin, the junction of described body and described lower linking tube is provided with draw-in groove, described fixture block is finally stuck in described draw-in groove, described outer sliding sleeve can not be slided up and down.
Described upper connecting tube and described lower linking tube are equipped with adapter contiguous block, and described body is provided with body contiguous block, and described body passes through the connection of body contiguous block and described adapter contiguous block, thus is connected to described upper connecting tube and described lower linking tube.
Described liquid injection hole and described liquid pass hole are that size shape is identical.
The size of described chute is identical with described slide block.
Described inner sliding sleeve is arranged on the lower end of described inverted draw cut.
Described lower pin is arranged on the lower end of described outer sliding sleeve.
Described outer sliding sleeve is arranged on the lower end of described body contiguous block.
The beneficial effects of the utility model are:
1, the body interior of a kind of hydraulic pressure perforating of the utility model sizing collar is provided with outer sliding sleeve, make jacking block head on slide block by hydraulic pressure to move, and then outer sliding sleeve is moved down, whether align by liquid pass hole and liquid injection hole in the process moved down by outer sliding sleeve the unlatching, the closing process that realize liquid injection hole, structure is simple and result of use is good;
2, a kind of hydraulic pressure perforating of the utility model sizing collar is after well cementation completes, and fixture block, due to internal pressure effect, makes it be stuck in draw-in groove, and this makes outer sliding sleeve to slide up and down, and enhances stability;
3, in the use procedure of a kind of hydraulic pressure perforating of the utility model sizing collar due to the increase of hydraulic pressure, finally make pin rupture, inner sliding sleeve drops to shaft bottom together with plug, like this without the need to carrying out the link of clearing up unnecessary component, increase operating efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of hydraulic pressure perforating of the utility model sizing collar.
Fig. 2 is the part full-page proof structural representation of a kind of hydraulic pressure perforating of the utility model sizing collar.
In figure: 1 is upper connecting tube, 2 is body, and 3 is lower linking tube, 4 is liquid injection hole, and 5 is outer sliding sleeve, and 6 is inverted draw cut, 7 is chute, and 8 is jacking block, and 9 is slide block, 10 is inner sliding sleeve, and 11 is limited block, and 12 is upper pin, 13 is fixture block, and 14 is liquid pass hole, and 15 is lower pin, 16 is draw-in groove, and 17 is adapter contiguous block, and 18 is body contiguous block.
Detailed description of the invention
Below in conjunction with Fig. 1-2, the utility model is further illustrated, but the utility model protection domain does not limit to described content.
A kind of hydraulic pressure perforating sizing collar, it mainly comprises upper connecting tube 1, body 2 and lower linking tube 3, upper connecting tube 1 is connected to body 2 upper end, lower linking tube 3 is connected to the lower end of body 2, the centre position of body 2 is provided with liquid injection hole 4, the inwall of body 2 is provided with outer sliding sleeve 5, outer sliding sleeve 5 is provided with inverted draw cut 6, body 2 position corresponding with inverted draw cut 6 is provided with the chute 7 be connected with inverted draw cut 6, jacking block 8 is provided with in inverted draw cut 6, inverted draw cut 6 is provided with slide block 9 with the centre position of chute 7, slide block 9 connects body 2 and outer sliding sleeve 5, the inwall of outer sliding sleeve 5 is provided with inner sliding sleeve 10, the lower end of inner sliding sleeve 10 is provided with limited block 11, outer sliding sleeve 5 is provided with pin 12 and supports inner sliding sleeve 10, the afterbody of outer sliding sleeve 5 is provided with fixture block 13, outer sliding sleeve 5 is provided with liquid pass hole 14, liquid pass hole 14 is arranged on the upper end of inverted draw cut 6, the lower end of body 2 is provided with lower pin 15, body 2 is provided with draw-in groove 16 with the junction of lower linking tube 3, fixture block 13 is finally stuck in draw-in groove 16, outer sliding sleeve 5 can not be slided up and down, upper connecting tube 1 and lower linking tube 3 are equipped with adapter contiguous block 17, body 2 is provided with body contiguous block 18, body 2 is by the connection of body contiguous block 18 with adapter contiguous block 17, thus be connected to upper connecting tube 1 and lower linking tube 3, liquid injection hole 4 and liquid pass hole 14 are that size shape is identical, the size of chute 7 is identical with slide block 9, inner sliding sleeve 10 is arranged on the lower end of inverted draw cut 6, lower pin 15 is arranged on the lower end of outer sliding sleeve 5, outer sliding sleeve 5 is arranged on the lower end of body contiguous block 18.
First plug is put in sizing collar, due to the effect of limited block 11, plug is stuck on inner sliding sleeve 10, then hydraulic booster is carried out, increase due to pressure makes jacking block 8 head on slide block 9 outwards movement, slide block 9 moves on to chute 7 completely, disconnect the connection of outer sliding sleeve 5 and body 2, outer sliding sleeve 5 arrives downside pin because gravity and pressure effect move down and follows closely 15 places, now liquid pass hole 14 aligns with liquid injection hole 4, can start to inject slurries, continuation supercharging after slip casting completes, until cut off lower pin 15, outer sliding sleeve 5 continues to move down until lower linking tube 3 place, and then continue supercharging, pin 12 in cut-out, inner sliding sleeve 10 and plug fall to shaft bottom, last fixture block 13 is stuck in draw-in groove 16.
Although done comparatively detailed elaboration to the technical solution of the utility model and enumerated; be to be understood that; to those skilled in the art; amendment is made to above-described embodiment or adopts equivalent replacement scheme; this is apparent to those skilled in the art; these modifications or improvements on the basis of not departing from the utility model spirit, all belong to the scope that the utility model is claimed.
Claims (7)
1. a hydraulic pressure perforating sizing collar, it mainly comprises upper connecting tube (1), body (2) and lower linking tube (3), it is characterized in that: described upper connecting tube (1) is connected to described body (2) upper end, described lower linking tube (3) is connected to the lower end of described body (2), the centre position of described body (2) is provided with liquid injection hole (4), the inwall of described body (2) is provided with outer sliding sleeve (5), described outer sliding sleeve (5) is provided with inverted draw cut (6), described body (2) position corresponding with described inverted draw cut (6) is provided with the chute (7) be connected with described inverted draw cut (6), jacking block (8) is provided with in described inverted draw cut (6), described inverted draw cut (6) is provided with slide block (9) with the centre position of chute (7), described slide block (9) connects described body (2) and described outer sliding sleeve (5), the inwall of described outer sliding sleeve (5) is provided with inner sliding sleeve (10), the lower end of described inner sliding sleeve (10) is provided with limited block (11), described outer sliding sleeve (5) is provided with pin (12) and supports described inner sliding sleeve (10), the afterbody of described outer sliding sleeve (5) is provided with fixture block (13), described outer sliding sleeve (5) is provided with liquid pass hole (14), described liquid pass hole (14) is arranged on the upper end of described inverted draw cut (6), the lower end of described body (2) is provided with lower pin (15), described body (2) is provided with draw-in groove (16) with the junction of described lower linking tube (3).
2. a kind of hydraulic pressure perforating sizing collar according to claim 1, it is characterized in that: described upper connecting tube (1) and described lower linking tube (3) are equipped with adapter contiguous block (17), described body (2) is provided with body contiguous block (18), described body (2) by the connection of body contiguous block (18) with described adapter contiguous block (17), thus is connected to described upper connecting tube (1) and described lower linking tube (3).
3. a kind of hydraulic pressure perforating sizing collar according to claim 1, is characterized in that: described liquid injection hole (4) is that size shape is identical with described liquid pass hole (14).
4. a kind of hydraulic pressure perforating sizing collar according to claim 1, is characterized in that: the size of described chute (7) is identical with described slide block (9).
5. a kind of hydraulic pressure perforating sizing collar according to claim 1, is characterized in that: described inner sliding sleeve (10) is arranged on the lower end of described inverted draw cut (6).
6. a kind of hydraulic pressure perforating sizing collar according to claim 1, is characterized in that: described lower pin (15) is arranged on the lower end of described outer sliding sleeve (5).
7. a kind of hydraulic pressure perforating sizing collar according to claim 2, is characterized in that: described outer sliding sleeve (5) is arranged on the lower end of described body contiguous block (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520650457.7U CN204899844U (en) | 2015-08-24 | 2015-08-24 | Hydraulic pressure trompil formula is bound round in grades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520650457.7U CN204899844U (en) | 2015-08-24 | 2015-08-24 | Hydraulic pressure trompil formula is bound round in grades |
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| CN204899844U true CN204899844U (en) | 2015-12-23 |
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| CN201520650457.7U Active CN204899844U (en) | 2015-08-24 | 2015-08-24 | Hydraulic pressure trompil formula is bound round in grades |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587860A (en) * | 2017-10-31 | 2018-01-16 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of double sliding sleeves based on compression packer set locking mechanism |
| CN108005611A (en) * | 2017-11-30 | 2018-05-08 | 中国石油集团渤海钻探工程有限公司 | Pawl shell type stage cementing device |
-
2015
- 2015-08-24 CN CN201520650457.7U patent/CN204899844U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587860A (en) * | 2017-10-31 | 2018-01-16 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of double sliding sleeves based on compression packer set locking mechanism |
| CN107587860B (en) * | 2017-10-31 | 2019-11-08 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of double sliding sleeves based on compression packer set locking mechanism |
| CN108005611A (en) * | 2017-11-30 | 2018-05-08 | 中国石油集团渤海钻探工程有限公司 | Pawl shell type stage cementing device |
| CN108005611B (en) * | 2017-11-30 | 2020-03-24 | 中国石油集团渤海钻探工程有限公司 | Claw sleeve type stage cementing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |