CN204984355U - Oil gas is detachable hydraulic pressure sliding sleeve for well - Google Patents
Oil gas is detachable hydraulic pressure sliding sleeve for well Download PDFInfo
- Publication number
- CN204984355U CN204984355U CN201520588775.5U CN201520588775U CN204984355U CN 204984355 U CN204984355 U CN 204984355U CN 201520588775 U CN201520588775 U CN 201520588775U CN 204984355 U CN204984355 U CN 204984355U
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- pawl
- bullet
- giving
- connecting cylinder
- rotation connecting
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Abstract
The utility model discloses an oil gas is detachable hydraulic pressure sliding sleeve for well, including top connection, lower clutch, ball seat, give up and play the claw, prevent changeing connecting cylinder and spacing pipe, the top connection and the bullet claw fixed connection that gives up, the ball seat becomes moving part with spacing tub of fixed connection to fix in the inner chamber of bullet claw of giving up through the safety shear pin, the bullet claw of giving up includes hollow cylinder section and the bullet calvus section of being enclosed by a plurality of bullet calvuss, the one end and lower clutch fixed connection of preventing changeing the connecting cylinder, the bullet claw of giving up is located to be prevented changeing between connecting cylinder and the spacing pipe, and spacing outside of tubes wall is equipped with the recess that holds bullet calvus section, the end that plays the claw of giving up is equipped with bullet claw inclined plane, prevents changeing the connecting cylinder inner wall and is equipped with and plays the interior inclined plane of claw inclined plane assorted step. Adopt the utility model discloses, in the time can't taking out for the instrument tubular column after the raising the output of accomplishing the stratum is reformed transform, the accessible well head is batted and is suppressed the separation that oil pipe and well completion instrument were sent into in the compaction at present to can make things convenient for to take out fast and send into oil pipe, realize the purpose of upper portion pit shaft operation.
Description
Technical field
The utility model relates to a kind of hydraulic sliding sleeve for Oil/gas Well, belongs to industrial gas oil downhole tool technical field.
Background technology
The conventional stimulation work mode of current Oil/gas Well enters formation in Oil/gas Well under connecting completion tool by oil pipe to complete acidifying or fracturing reform to reach volume increase object.When needing to take out tool tubular column in well after completing stratum transformation or oil gas and gathering, due to the impact of down hole problem, tool tubular column can be caused to take out, affect the secondary operation of pit shaft.
If publication number is CN104481491A, publication date is that the Chinese patent literature on April 1st, 2015 discloses a kind of loop control formula sliding sleeve of bushing closing tool, comprise body, fluid cylinder, play pawl cylinder, back-moving spring and lower contact, described fluid cylinder is arranged on body, body and fluid cylinder cooperation place are provided with liquid pass hole, play pawl cylinder be connected to fluid cylinder lower end and be positioned on body outer wall, described back-moving spring is arranged on and plays in pawl cylinder, described lower contact is connected to body lower end, lower contact is hollow or solid, play pawl cylinder lower end and be provided with bullet pawl, bullet pawl inner conical surface coordinates with lower contact male cone (strobilus masculinus) makes bullet pawl overhanging, be provided with at sliding sleeve inner chamber and play pawl and embed the closedown groove coordinated.This utility model can realize sliding sleeve of bushing and selectively close, and oil gas well mining later stage water layer can be prevented to be drowned gas well, can effectively ensure that petroleum resources continues safe working.
But with the prior art that above-mentioned patent document is representative, still being separated of oil pipe and completion tool can not be realized, therefore need to design a kind of downhole hardware realizing oil pipe and be separated with completion tool, so that when tool tubular column cannot take out, complete being separated of oil pipe and completion tool by this device, thus take out top oil pipe.
Utility model content
The utility model is intended to for the defect existing for above-mentioned prior art and deficiency, there is provided a kind of Oil/gas Well detachable hydraulic sliding sleeve, adopt the utility model, after the storey increase design completing stratum for tool tubular column cannot take out time, build the pressure by well head pitching and realize sending into being separated of oil pipe and completion tool, thus feeding oil pipe can be taken out quickly and easily, realize the object of top wellbore operations.
The utility model realizes by adopting following technical proposals:
The detachable hydraulic sliding sleeve of a kind of Oil/gas Well, comprises top connection, lower contact and ball seat, it is characterized in that: also comprising gives up plays pawl, anti-rotation connecting cylinder and position-limiting tube, and described top connection plays pawl and is fixedly connected with giving up; Described ball seat and position-limiting tube are fixedly connected into moving component, and are fixed in the inner chamber of giving up and playing pawl by safe shear pin; The bullet calvus section that described bullet pawl of giving up comprises open circles shell of column and surrounded by multiple bullet calvus, connect as one and be formed between open circles shell of column and bullet calvus section and top bar and get out of a predicament or an embarrassing situation, one end of described anti-rotation connecting cylinder is fixedly connected with lower contact, and the other end of anti-rotation connecting cylinder snaps onto described open circles shell of column and plays the place of getting out of a predicament or an embarrassing situation formed between calvus section; Described giving up plays pawl between anti-rotation connecting cylinder and position-limiting tube, and described position-limiting tube outer wall be provided with when give up bullet pawl undergauge time hold the groove of described bullet calvus section, when described position-limiting tube moves to lower contact direction, to be contacted and spacing with topping bar by described groove; Described giving up plays the end of pawl and is provided with and plays pawl inclined-plane, and anti-rotation connecting cylinder inwall is provided with and inclined-plane in the step of described bullet pawl slopes which match, and anti-rotation connecting cylinder to be contacted with the bullet pawl inclined-plane that plays pawl of giving up by inclined-plane in step and spacing.
The upper end on described bullet pawl inclined-plane tilts towards that one end of top connection.
Described top connection is played pawl by screw thread and be fixedly connected with giving up, and fixed by holding screw.
Described ball seat is fixedly connected with position-limiting tube by screw thread, and fixed by holding screw.
Described anti-rotation connecting cylinder is fixedly connected with lower contact by screw thread, and fixed by holding screw.
Described giving up plays between pawl and top connection, gives up and plays between pawl and position-limiting tube, between position-limiting tube and ball seat, be equipped with at least one sealing ring between ball seat and lower contact.
The other end of described anti-rotation connecting cylinder is coordinated by stop pin and anti-rotation groove to snap onto described open circles shell of column and play the place of getting out of a predicament or an embarrassing situation formed between calvus section.
Described anti-rotation connecting cylinder upper surface is jagged, and matches with the breach playing pawl end face of giving up.
Compared with prior art, the beneficial effect that reaches of the utility model is as follows:
When 1, needing to start the utility model, the ball that builds the pressure is dropped into by well head, ball drops to ball seat place and forms shutoff, suppressing interior pressure makes ball seat and position-limiting tube produce lower thrust, the spacing place of lower contact is come downwards to after cutting off safe shear pin, position-limiting tube no longer plays the contact of pawl aperture surface to giving up, on put on joint drive give up play pawl motion, make generation Relative sliding in step inclined-plane in bullet pawl inclined-plane and anti-rotation connecting cylinder and make to give up to play pawl and shrink, completing gives up plays being separated of pawl and anti-rotation connecting cylinder, thus realizes sending into oil pipe and being separated between completion tool.The utility model structure is simple, operating process is convenient, rotate without the need to tube post and realize separating action, when effectively can transmit operation, the moment of torsion of well head place oil pipe is to completion tool part, dependable performance, do not have attachment in separation process and fall into bottom pit shaft, be designed with simultaneously and judge that hole can accurately judge whether to realize isolation of components.
2, in the utility model, the bullet calvus section that bullet pawl of giving up comprises open circles shell of column and surrounded by multiple bullet calvus, connect as one and be formed between open circles shell of column and bullet calvus section and top bar and get out of a predicament or an embarrassing situation, position-limiting tube outer wall is provided with the groove holding described bullet calvus section when giving up and playing pawl undergauge, so specific frame mode, following technique effect can be reached: the set-up mode of topping bar is convenient to and groove fit, thus when can realize playing pawl undergauge when giving up, the groove of position-limiting tube can be topped bar and be tangled, make position-limiting tube, ball seat can be drunk bullet pawl of giving up and take out together in well.
3, in the utility model, the described end playing pawl of giving up is provided with bullet pawl inclined-plane, anti-rotation connecting cylinder inwall is provided with and inclined-plane in the step of described bullet pawl slopes which match, anti-rotation connecting cylinder to be contacted with the bullet pawl inclined-plane that plays pawl of giving up by inclined-plane in step and spacing, so specific frame mode, following technique effect can be reached: when joint put on by needs, drive is given up and is played when pawl moves, anti-rotation connecting cylinder is contacted with bullet pawl inclined-plane by inclined-plane in step, thus play guide effect, be convenient to give up and play pawl and anti-rotation connecting cylinder comes off, and the guiding on inclined-plane makes to play pawl undergauge, thus make to give up and play topping bar of pawl and can tangle the groove of position-limiting tube.
4, in the utility model, the upper end playing pawl inclined-plane tilts towards that one end of top connection, and such angled manner is more conducive to giving up and plays pawl and anti-rotation connecting cylinder comes off.
5, in the utility model, the other end of anti-rotation connecting cylinder is coordinated by stop pin and anti-rotation groove to snap onto described open circles shell of column and play the place of getting out of a predicament or an embarrassing situation formed between calvus section, stop pin and anti-rotation groove coordinate the radial rotation that can realize giving up and play between pawl and anti-rotation connecting cylinder, and the axis that shadow is not given up between bullet pawl and anti-rotation connecting cylinder again comes off.
6, in the utility model, adopt the mode of holding screw to be linked together by each parts, achieve all parts and organically link together, between each parts, there is anti-rotating function.
7, in the utility model, the mode of sealing ring is adopted can to strengthen sealing performance further.
Accompanying drawing explanation
Below in conjunction with specification drawings and specific embodiments, the utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 be the utility model drop into the ball that builds the pressure build the pressure cut off safe shear pin after position-limiting tube and ball seat move to the structural representation at spacing place;
Fig. 3 becomes two-part structural representation after the utility model is separated.
Mark in figure: 1, top connection, 2, bullet pawl of giving up, 3, holding screw one, 4, sealing ring one, 5, safe shear pin, 6, position-limiting tube, 7, anti-rotation connecting cylinder, 8, build the pressure ball, 9, holding screw two, 10, holding screw three, 11, sealing ring two, 12, sealing ring three, 13, ball seat, 14, lower contact
15, open circles shell of column, 16, play calvus section, 17, top bar, 18, get out of a predicament or an embarrassing situation, 19, groove, 20, play pawl inclined-plane, 21, inclined-plane in step.
Detailed description of the invention
embodiment 1
With reference to Figure of description, as the most basic embodiment of the utility model, it comprises top connection 1, lower contact 14, ball seat 13, giving up plays pawl 2, anti-rotation connecting cylinder 7 and position-limiting tube 6, and described top connection 1 plays pawl 2 and is fixedly connected with giving up; Described ball seat 13 and position-limiting tube 6 are fixedly connected into moving component, and are fixed in the inner chamber of giving up and playing pawl 2 by safe shear pin 5; The bullet calvus section 16 that described bullet pawl 2 of giving up comprises open circles shell of column 15 and surrounded by multiple bullet calvus, open circles shell of column 15 and playing to connect as one between calvus section 16 and is formed tops bar 17 and get out of a predicament or an embarrassing situation 18, one end of described anti-rotation connecting cylinder 7 is fixedly connected with lower contact 14, and the other end of anti-rotation connecting cylinder 7 snaps onto described open circles shell of column 15 and plays 18 places of getting out of a predicament or an embarrassing situation formed between calvus section 16; Described giving up plays pawl 2 between anti-rotation connecting cylinder 7 and position-limiting tube 6, and described position-limiting tube 6 outer wall is provided with the groove 19 holding described bullet calvus section 16 when giving up and playing pawl 2 undergauge, when described position-limiting tube 6 moves to lower contact 14 direction, 17 to be contacted and spacing with topping bar by described groove 19; Described giving up plays the end of pawl 2 and is provided with and plays pawl inclined-plane 20, and anti-rotation connecting cylinder 7 inwall is provided with inclined-plane 21 in the step that matches with described bullet pawl inclined-plane 20, and anti-rotation connecting cylinder 7 to be contacted with the bullet pawl inclined-plane 20 that plays pawl 2 of giving up by inclined-plane in step 21 and spacing.
The ball 8 that builds the pressure does not need to install, and when needs carry out separate type, drops into from well head the ball 8 that builds the pressure.
embodiment 2
On the basis of above-described embodiment, preferred forms of the present utility model is, the upper end on described bullet pawl inclined-plane 20 tilts towards that one end of top connection 1.Described top connection 1 is played pawl 2 by screw thread and be fixedly connected with giving up, and fixed by holding screw.Described ball seat 13 is fixedly connected with position-limiting tube 6 by screw thread, and fixed by holding screw.Described anti-rotation connecting cylinder 7 is fixedly connected with lower contact 14 by screw thread, and fixed by holding screw.Described giving up plays between pawl 2 and top connection 1, gives up and plays between pawl 2 and position-limiting tube 6, between position-limiting tube 6 and ball seat 13, be equipped with at least one sealing ring between ball seat 13 and lower contact 14.The other end of described anti-rotation connecting cylinder 7 is coordinated by stop pin and anti-rotation groove snap onto described open circles shell of column 15 and play 18 places of getting out of a predicament or an embarrassing situation formed between calvus section 16.Described anti-rotation connecting cylinder 7 upper surface is jagged, and matches with the breach playing pawl 2 end face of giving up.
During onsite application, the ball 8 that builds the pressure is dropped into by well head, after ball arrives ball seat 13, continue to build the pressure, under producing in the annular seal space that position-limiting tube 6 and ball seat 13 are formed, thrust is cut off safe shear pin 5 and is promoted position-limiting tube 6 and the descending displacement of ball seat 13, the disengaging of position-limiting tube 6 periphery contacts with the bullet pawl inner headed face playing pawl 2 of giving up, and the bullet pawl that making gives up plays pawl 2 has the space of retraction.
On put on joint 1, drive is given up to play on pawl 2 and is moved, playing pawl inclined-plane 21 place generation elastic deformation bullet pawl in the step of anti-rotation connecting cylinder 7 makes external diameter diminish, thus realize and being separated of anti-rotation connecting cylinder 7, after separation, position-limiting tube 6 and ball seat 13 are stuck in the interior step surface place playing pawl 2 of giving up and can not fall in well, build the pressure ball 8 in ball seat 13 inner chamber, take out in well with upper tool.
Claims (8)
1. the detachable hydraulic sliding sleeve of Oil/gas Well, comprise top connection (1), lower contact (14) and ball seat (13), it is characterized in that: also comprising gives up plays pawl (2), anti-rotation connecting cylinder (7) and position-limiting tube (6), described top connection (1) plays pawl (2) and is fixedly connected with giving up; Described ball seat (13) and position-limiting tube (6) are fixedly connected into moving component, and are fixed in the inner chamber of giving up and playing pawl (2) by safe shear pin (5); The bullet calvus section (16) that described bullet pawl (2) of giving up comprises open circles shell of column (15) and surrounded by multiple bullet calvus, connect as one and be formed between open circles shell of column (15) and bullet calvus section (16) and top bar (17) and get out of a predicament or an embarrassing situation (18), one end of described anti-rotation connecting cylinder (7) is fixedly connected with lower contact (14), and the other end of anti-rotation connecting cylinder (7) snaps onto described open circles shell of column (15) and plays (18) place of getting out of a predicament or an embarrassing situation formed between calvus section (16); Described bullet pawl (2) of giving up is positioned between anti-rotation connecting cylinder (7) and position-limiting tube (6), and described position-limiting tube (6) outer wall is provided with the groove (19) holding described bullet calvus section (16) when giving up and playing pawl (2) undergauge, when described position-limiting tube (6) moves to lower contact (14) direction, to be contacted with top bar (17) by described groove (19) and spacing; The described end playing pawl (2) of giving up is provided with bullet pawl inclined-plane (20), anti-rotation connecting cylinder (7) inwall is provided with inclined-plane (21) in the step that matches with described bullet pawl inclined-plane (20), and anti-rotation connecting cylinder (7) to be contacted with the bullet pawl inclined-plane (20) that plays pawl (2) of giving up by inclined-plane in step (21) and spacing.
2. the detachable hydraulic sliding sleeve of a kind of Oil/gas Well according to claim 1, is characterized in that: the upper end of described bullet pawl inclined-plane (20) tilts towards top connection (1) that one end.
3. the detachable hydraulic sliding sleeve of a kind of Oil/gas Well according to claim 1 and 2, described top connection (1) is played pawl (2) by screw thread and be fixedly connected with giving up, and fixed by holding screw.
4. the detachable hydraulic sliding sleeve of a kind of Oil/gas Well according to claim 1 and 2, described ball seat (13) is fixedly connected with position-limiting tube (6) by screw thread, and fixed by holding screw.
5. the detachable hydraulic sliding sleeve of a kind of Oil/gas Well according to claim 1 and 2, described anti-rotation connecting cylinder (7) is fixedly connected with lower contact (14) by screw thread, and fixed by holding screw.
6. the detachable hydraulic sliding sleeve of a kind of Oil/gas Well according to claim 1, described giving up plays between pawl (2) and top connection (1), give up and play between pawl (2) and position-limiting tube (6), between position-limiting tube (6) and ball seat (13), between ball seat (13) and lower contact (14), be equipped with at least one sealing ring.
7. the detachable hydraulic sliding sleeve of a kind of Oil/gas Well according to claim 1, the other end of described anti-rotation connecting cylinder (7) is coordinated by stop pin and anti-rotation groove snap onto described open circles shell of column (15) and play (18) place of getting out of a predicament or an embarrassing situation formed between calvus section (16).
8. the detachable hydraulic sliding sleeve of a kind of Oil/gas Well according to claim 1, described anti-rotation connecting cylinder (7) upper surface is jagged, and matches with the breach playing pawl (2) end face of giving up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588775.5U CN204984355U (en) | 2015-08-03 | 2015-08-03 | Oil gas is detachable hydraulic pressure sliding sleeve for well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588775.5U CN204984355U (en) | 2015-08-03 | 2015-08-03 | Oil gas is detachable hydraulic pressure sliding sleeve for well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204984355U true CN204984355U (en) | 2016-01-20 |
Family
ID=55118734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520588775.5U Withdrawn - After Issue CN204984355U (en) | 2015-08-03 | 2015-08-03 | Oil gas is detachable hydraulic pressure sliding sleeve for well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204984355U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003227A (en) * | 2015-08-03 | 2015-10-28 | 中国石油集团川庆钻探工程有限公司 | Separable type hydraumatic sliding sleeve for oil gas well |
| CN111734379A (en) * | 2020-07-15 | 2020-10-02 | 中国石油集团渤海钻探工程有限公司 | Post-pressing full-bore construction tool and construction method |
-
2015
- 2015-08-03 CN CN201520588775.5U patent/CN204984355U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003227A (en) * | 2015-08-03 | 2015-10-28 | 中国石油集团川庆钻探工程有限公司 | Separable type hydraumatic sliding sleeve for oil gas well |
| CN105003227B (en) * | 2015-08-03 | 2018-05-25 | 中国石油集团川庆钻探工程有限公司 | The detachable hydraulic sliding sleeve of oil/gas well |
| CN111734379A (en) * | 2020-07-15 | 2020-10-02 | 中国石油集团渤海钻探工程有限公司 | Post-pressing full-bore construction tool and construction method |
| CN111734379B (en) * | 2020-07-15 | 2022-03-11 | 中国石油集团渤海钻探工程有限公司 | Post-pressing full-bore construction tool and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160120 Effective date of abandoning: 20180525 |
|
| AV01 | Patent right actively abandoned |