CN204283313U - Smart well top packer - Google Patents
Smart well top packer Download PDFInfo
- Publication number
- CN204283313U CN204283313U CN201420635287.0U CN201420635287U CN204283313U CN 204283313 U CN204283313 U CN 204283313U CN 201420635287 U CN201420635287 U CN 201420635287U CN 204283313 U CN204283313 U CN 204283313U
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- CN
- China
- Prior art keywords
- ring
- central tube
- piston
- lock
- gland
- 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.)
- Withdrawn - After Issue
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Abstract
A kind of smart well top packer, comprise top connection, central tube, slips cover, stage clip, slips, cone, adjustable ring, packing element, piston, hanging ring, every gland, spacing ring, deblocking pin, stop collar, lock sleeve, lock ring, spring, pressure cap, lower contact.Central tube top is connected with top connection, bottom is connected with lower contact, central tube is connected and installed with slips cover, stage clip, slips, cone, adjustable ring, packing element, piston, lock sleeve and pressure cap outward in turn, be provided with in piston lower pressing cap every gland, stop collar, lock ring and spring, under piston, on gland, hanging ring is installed, under gland, on stop collar, spacing ring is installed, stop collar is outer, lock sleeve is interior and lower pressing cap is provided with lock ring and spring, and the wall of central tube is provided with vertical line umbilical and passes through hole.The utility model has self-locking ring and divides equally that six lobe radially self-lockings, large, the interior latus rectum of self-lock force are large, the function such as sealing intensity is high, formation protection, extensively applies in oil exploitation intelligent well completion process tool.
Description
Technical field
The utility model and oil exploitation intelligent well completion process tool, particularly a kind of smart well top packer.
Background technology
Intelligent Well Completion by umbilical realize in the face of the manufacture control of downhole oil gas-bearing formation, its structure of existing top packer is for reducing interior latus rectum, and on the wall of packer central tube, design vertical line umbilical pass through hole, for oil exploitation Intelligent Well Completion has played effect, but it also exists following shortcoming or deficiency simultaneously: 1. because top packer will pass through umbilical, cause latus rectum in packer to diminish, under subsequent job instrument, enter difficulty; If 2. will increase interior latus rectum, packer radial thickness can reduce, and self-locking mechanism design difficulty is large, cannot provide larger self-lock force; 3. for reducing the difficulty that umbilical is passed through, packer body also should shorten design length as far as possible; 4. voltage withstand class is low, during hypertonia below packing element, may cause removing seal for packer, under the environment that pressure rating is higher, needs the safety of assembling anchor watt guarantee instrument.
Summary of the invention
The purpose of this utility model is to provide a kind of smart well top packer of improvement, adopt the wall of central tube to be provided with vertical line umbilical and pass through hole, middle part is provided with the structure that pressure transmission hole and stop collar, lock sleeve, lock ring, spring and pressure cap form self-locking mechanism, effectively overcomes or avoids the shortcoming that exists in above-mentioned prior art or deficiency.
Smart well top packer described in the utility model, comprise top connection, central tube, slips cover, stage clip, slips, cone, adjustable ring, packing element, piston, hanging ring, every gland, spacing ring, deblocking pin, stop collar, lock sleeve, lock ring, spring, pressure cap, lower contact, it is characterized in that described central tube top is connected with top connection, bottom is connected with lower contact, central tube is connected and installed with slips cover outward in turn, stage clip, slips, cone, adjustable ring, packing element, piston, lock sleeve and pressure cap, be provided with in piston lower pressing cap every gland, stop collar, lock ring and spring, under piston, on gland, hanging ring is installed, under gland, stop collar is provided with spacing ring, outside stop collar, in lock sleeve and on lower pressing cap, lock ring and spring are installed, the wall of central tube is provided with vertical line umbilical and passes through hole.
Wherein, the wall of described central tube is provided with at least one vertical line umbilical and passes through hole, and middle part is provided with at least one pressure transmission hole.Described stop collar, lock sleeve, lock ring, spring and pressure cap form self-locking mechanism.Described cone 7 is fixed on central tube by safety pin.Described stop collar is fixed on central tube by deblocking pin.Upper end and the piston of described lock sleeve are threaded connection, and bottom is provided with interior step, and this interior step bottom is provided with interior lower inclined plane.Described lock ring is provided with ramp, and this ramp matches with the lower inclined plane of lock sleeve.The pressure transmission hole bottom of described central tube is provided with lower groove, and hanging ring and spacing ring to be installed on this in lower groove respectively.Described piston and be provided with sealing ring every the both sides of gland.Described piston, lock sleeve, form seal cavity every gland and central tube.
The utility model has the following advantages or beneficial effect compared with prior art:
(1), self-locking mechanism through optimization, adopt lock ring divide equally six lobe radially self-lockings and wave spring follow-up mode, realize the design of crawl space self-locking mechanism, and larger self-lock force can be provided;
(2), self-locking mechanism adopts wave spring, substantially reduces the length of instrument, thus reduces the difficulty that umbilical passes through.
(3), larger interior latus rectum can be kept;
(4), the screw thread that is connected with central tube of top connection is metal sealing button, and wall thickness is much smaller than the wall thickness of gas thread, but intensity is very high and can seal, and can increase the interior latus rectum of instrument to greatest extent;
(5), when suspension stays well casing post and oil-separating layer to pass through umbilical, easily and effectively manipulation is implemented on bottom fastening means and does not affect the function of packer oil-separating layer;
(6), optimize solution sealing mechanism, even if the hypertonia below packing element, deblocking pin still can not bear shearing force, can only by carry packer and carry out deblocking.
Accompanying drawing explanation
Fig. 1 is a kind of example structure schematic diagram of the present utility model;
Fig. 2 is for by the A-A cross-sectional view shown in Fig. 1.
Detailed description of the invention
Consult Fig. 1-Fig. 2, a kind of smart well top packer, comprise top connection 1, central tube 2, slips cover 3, stage clip 4, slips 5, cone 7, adjustable ring 8, packing element 9, piston 10, hanging ring 13, every gland 16, spacing ring 17, deblocking pin 18, stop collar 19, lock sleeve 20, lock ring 21, spring 22, pressure cap 23, lower contact 24.Central tube 2 top is connected with top connection 1, bottom is connected with lower contact 24, central tube 2 is outer is connected and installed with slips cover 3 in turn, stage clip 4, slips 5, cone 7, adjustable ring 8, packing element 9, piston 10, lock sleeve 20 and pressure cap 23, be provided with in piston 10 lower pressing cap 23 every gland 16, stop collar 19, lock ring 21 and spring 22, piston 10 times, hanging ring 13 is installed on gland 16, every gland 16 times, stop collar 19 is provided with spacing ring 17, outside stop collar 19, in lock sleeve 20 and on lower pressing cap 23, lock ring 21 and spring 22 are installed, the wall of central tube 2 is provided with vertical line umbilical and passes through hole 12.
The wall of central tube 2 is provided with at least one (being expressed as 4 in figure) vertical line umbilical and passes through hole 12, and middle part is provided with at least one (being expressed as 1 in figure) pressure transmission hole 15.Stop collar 19, lock sleeve 20, lock ring 21, spring 22 and pressure cap 23 form self-locking mechanism.Cone 7 is fixed on central tube 2 by safety pin 6.Stop collar 19 is fixed on central tube 2 by deblocking pin 18.Upper end and the piston 10 of lock sleeve 20 are threaded connection, and bottom is provided with interior step, and this interior step bottom is provided with interior lower inclined plane.Lock ring 21 is provided with ramp, and this ramp matches with the lower inclined plane of lock sleeve 20.Pressure transmission hole 15 bottom of central tube 2 is provided with lower groove, and hanging ring 13 and spacing ring 17 to be installed on this in lower groove respectively.Piston 10 and be provided with sealing ring 11 every the both sides of gland 16.Piston 10, lock sleeve 20, form seal cavity every gland 16 and central tube 2.
During operation, smart well top packer is connected on operating tool string, be lowered into the precalculated position of oil well, then operating tool string is just suppressed, current by pressure transmission hole 15 flow into piston 10, lock sleeve 20, every gland 16, central tube 2 form seal cavity, promote piston 10 up, thrust is delivered in cone 7 by packing element 9, when pressure reaches setting numerical value, safety pin 6 is cut off, and cone 7 is up, promote slips 5 externally to open, be fixed on sleeve pipe, packing element 9 is squeezed and outwards expands simultaneously, the packing of both sides up and down of packing element 9 is opened.While piston 10 is up, drives lock sleeve 20, lock ring 21, spring 22, pressure cap 23 up, and prevent piston 10 descending by auto-lock function.Like this, packer completes setting.
Connect lower tool because hydraulic line or cable pass through hole 12 through the umbilical of central tube 2, to the execution of instrument manipulation below packer, and can not affect the function of packer oil-separating layer on ground; When packer needs deblocking, on put on joint 1, because packer is setting, all parts of central tube 2 outside are in stationary state relative to sleeve pipe, only have central tube 2 meeting up, thus cut off deblocking pin 18, all parts of central tube 2 outside move down, and slips 5 is regained under the effect of stage clip 4, and packing element 7 affranchises state, the parts of central tube 2 outside are suspended on central tube 2 by hanging ring 13, and packer completes deblocking.Can lower tool be connected, and on the ground other execution of instrument be manipulated.
Claims (10)
1. a smart well top packer, comprise top connection, central tube, slips cover, stage clip, slips, cone, adjustable ring, packing element, piston, hanging ring, every gland, spacing ring, deblocking pin, stop collar, lock sleeve, lock ring, spring, pressure cap, lower contact, it is characterized in that described central tube top is connected with top connection, bottom is connected with lower contact, central tube is connected and installed with slips cover outward in turn, stage clip, slips, cone, adjustable ring, packing element, piston, lock sleeve and pressure cap, be provided with in piston lower pressing cap every gland, stop collar, lock ring and spring, under piston, on gland, hanging ring is installed, under gland, stop collar is provided with spacing ring, outside stop collar, in lock sleeve and on lower pressing cap, lock ring and spring are installed, the wall of central tube is provided with vertical line umbilical and passes through hole.
2. smart well top packer according to claim 1, it is characterized in that the wall of described central tube is provided with at least one vertical line umbilical and passes through hole, middle part is provided with at least one pressure transmission hole.
3. smart well top packer according to claim 1, is characterized in that described stop collar, lock sleeve, lock ring, spring and pressure cap form self-locking mechanism.
4. smart well top packer according to claim 1, is characterized in that described cone is fixed on central tube by safety pin.
5. smart well top packer according to claim 1, is characterized in that described stop collar is fixed on central tube by deblocking pin.
6. smart well top packer according to claim 1, it is characterized in that the upper end of described lock sleeve and piston are threaded connection, bottom is provided with interior step, and this interior step bottom is provided with interior lower inclined plane.
7. smart well top packer according to claim 1, it is characterized in that described lock ring is provided with ramp, this ramp matches with the lower inclined plane of lock sleeve.
8. smart well top packer according to claim 1, is characterized in that the pressure transmission hole bottom of described central tube is provided with lower groove, and hanging ring and spacing ring to be installed on this in lower groove respectively.
9. smart well top packer according to claim 1, is characterized in that described piston and the both sides every gland are provided with sealing ring.
10. smart well top packer according to claim 1, is characterized in that described piston, lock sleeve, forms seal cavity every gland and central tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635287.0U CN204283313U (en) | 2014-10-29 | 2014-10-29 | Smart well top packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635287.0U CN204283313U (en) | 2014-10-29 | 2014-10-29 | Smart well top packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204283313U true CN204283313U (en) | 2015-04-22 |
Family
ID=52866488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420635287.0U Withdrawn - After Issue CN204283313U (en) | 2014-10-29 | 2014-10-29 | Smart well top packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204283313U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329047A (en) * | 2014-10-29 | 2015-02-04 | 东营市福利德石油科技开发有限责任公司 | Intelligent well top part packer |
| CN106930719A (en) * | 2017-03-23 | 2017-07-07 | 中国石油集团西部钻探工程有限公司 | Can unseal, unjaming insulates formula extension hanger |
| CN109252827A (en) * | 2017-07-14 | 2019-01-22 | 中国石油化工股份有限公司 | A kind of anti-receding device and the packer comprising it |
-
2014
- 2014-10-29 CN CN201420635287.0U patent/CN204283313U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329047A (en) * | 2014-10-29 | 2015-02-04 | 东营市福利德石油科技开发有限责任公司 | Intelligent well top part packer |
| CN104329047B (en) * | 2014-10-29 | 2017-04-05 | 东营市福利德石油科技开发有限责任公司 | Smart well top packer |
| CN106930719A (en) * | 2017-03-23 | 2017-07-07 | 中国石油集团西部钻探工程有限公司 | Can unseal, unjaming insulates formula extension hanger |
| CN109252827A (en) * | 2017-07-14 | 2019-01-22 | 中国石油化工股份有限公司 | A kind of anti-receding device and the packer comprising it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20170405 |