CN102400658A - Self-induction type intelligent electrically driven hydraulic capsule packer - Google Patents
Self-induction type intelligent electrically driven hydraulic capsule packer Download PDFInfo
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- CN102400658A CN102400658A CN2010102786078A CN201010278607A CN102400658A CN 102400658 A CN102400658 A CN 102400658A CN 2010102786078 A CN2010102786078 A CN 2010102786078A CN 201010278607 A CN201010278607 A CN 201010278607A CN 102400658 A CN102400658 A CN 102400658A
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Abstract
The invention discloses a self-induction type intelligent electrically driven hydraulic capsule packer. The packer achieves a packing function by means of a hollow capsule filled with hydraulic oil; two packing manners, namely a fixed-time constant-pressure packing manner and a differential pressure induction compensation packing manner, and three unpacking manners, namely a pressurization control electrohydraulic unpacking manner, a forcible lift unpacking manner and a capsule piercing unpacking manner are available in all; during packing, a single-chip computer is used for controlling and a motor is used for driving; the capsule is forced to produce deformation so as to realize an interlayer packing function by changing a storage position of the hydraulic oil in the cavity of the capsule A; and the packer consists of the capsule 1, a reducing piston 2, a transmission screw 3, a reducer 4, the motor 5, the single-chip computer 6, a hollow capsule breaking needle prick 7, a battery pack 8, a pressure sensor 9, a capsule positioning assembly 10, a constant pressure shear pin 11, an oil pipe 12 and an unpacking joint 13.
Description
Technical field the present invention is that a kind of motorized motions can belong to the technical field of the downhole tool class in oil well delamination oil recovery, the water injection technology through the Intelligent Hydraulic inflatable packer of pressure reduction self-induction seat envelope state.
Background technology is recovered the oil in the oil field when producing later stage entering high water-cut stage mining phase, need take the water blockoff measure to high aquifer, could realize the target that steady oil control water, raising the output lower consumption.Downhole packer is the indispensable instrument of realizing this goal.This just requires the reliable deblocking simultaneously of packer set also to want reliable, and this conflicting requirement makes existing all kinds of packer all come with some shortcomings.
The technical problem that summary of the invention exists to present packer, but the seat envelope when the hydraulic pressure inflatable packer that the present invention has used a kind of self-inducting intelligent electric to drive is realized underground work and the function of deblocking.Packer of the present invention is to lean on the capsule that is full of hydraulic oil of hollow to realize seat envelope function, total regularly level pressure seat envelope and two kinds of seats envelopes of pressure reduction inductive compensation seat envelope modes with suppress the electric lyolysis of control and seal, carry by force deblocking and sting three kind of deblocking mode of capsule deblocking; When envelope seat be by one-chip computer control, by motor driven, forces capsule to produce deformation to realize a layer interdigit packing function through changing hydraulic oil deposit position in the capsules A chamber.Packer of the present invention by capsule 1, reducing piston 2, transmission screw 3, reductor 4, motor 5, one-chip computer 6, hollow broken capsule acupuncture 7, battery pack 8, pressure inductor 9, capsule locating assembly 10, decide power shear pin 11, oil pipe 12 reconciliation sealing joints 13 are formed.Packer of the present invention is installed on the outer wall of oil pipe 12, and seat Feng Shiqi external diameter and sleeve pipe 14 do not leave certain distance.Capsule 1 and reducing piston 2 have lap moving axially on the position, therefore can oppress hydraulic oil in the capsule 1 when move the position vertically when reducing piston 2 and produce and move upward, and force capsule 1 to produce radially deformation, the effect in realization packer pipe ring shape space.When packer of the present invention arrived predetermined seat envelope position, one-chip computer 6 meetings drove reducing piston 2 according to predefined program start motor 5 through reductor 4 and transmission screw 3 and produce displacement realization seat envelope.At the upper/lower terminal of packer of the present invention a pressure inductor is installed respectively, but is realized the seat envelope through the pressure reduction that detects the packer two ends.When packer occurs leaking the envelope situation; One-chip computer 6 can be through detecting the upper and lower pressure differential of packer; Judge to leak the degree of envelope and once more actuating motor 5 drive reducing pistons 2 through reductor 4 and transmission screw 3 and produce displacements and eliminate and leak the envelope phenomenons, packer of the present invention is carried out the self-inducting intelligent management.Because packer of the present invention is to lean on the hydraulic oil in the capsule 1 to realize the seat envelope, therefore as long as the hydraulic oil in the capsule 1 is emitted just deblocking reliably.When suppressing the electric lyolysis of control envelope; To overlap annular space by ground installation and be full of liquid; And send pressure controling signal, and one-chip computer 6 can be through detected pressure controling signal, and actuating motor 5 drives reducing piston 2 through reductor 4 and transmission screw 3 and produces reverse displacement; Hydraulic oil energy in the release capsule 1 is realized deblocking.When the electric lyolysis envelope of control occurring suppressing and do not prove effective, just can start and carry deblocking by force.When carrying deblocking by force, will separate sealing joint 13 through sand surfing and rinse well, again with spear-head with separate sealing joint 13 dock and carry out on carry; When the power of carrying on being somebody's turn to do reaches certain value, decide power shear pin 11 and will be cut off, capsule locating assembly 10 just can be divided into two; Wherein a part can be up together along with separating sealing joint 13; Disengaging is to the sealing station of capsule 1, and hydraulic oil will spill capsule 1, has realized the purpose of deblocking.If the sealing layer position is more, the packer of lower floor does not have deblocking, just can use thorn capsule deblocking; For this reason specialized designs of the present invention the broken capsule acupunctures 7 of a plurality of hollows; Therefore their radially installation dimension, makes them produce radial displacement as long as put into the broken capsule acupuncture 7 of appropriate deblocking instrument 15 extruded hollow less than the internal diameter of packer; Just can puncture capsule 1 and emit the hydraulic oil of depositing, realize the purpose of deblocking.
Below in conjunction with Figure of description and embodiment the present invention is further specified.
Appended drawings 1 is the structural principle sketch map of packer of the present invention, also is that the reset condition of packer of the present invention is controlled the reset mode that electric lyolysis is honored as a queen with suppressing; The sketch map of working when accompanying drawing 2 is packer set of the present invention; Accompanying drawing 3 is packer of the present invention work sketch mapes when carrying deblocking by force; Work sketch map when accompanying drawing 4 is packer of the present invention thorn capsule deblocking.
Be full of hydraulic oil among the cavity A of specific embodiment capsule 1 in accompanying drawing 1, moving up of reducing piston 2 can force the internal cavities B of the bottom entering reducing piston 2 of capsule 1; Hydraulic oil in capsule 1 lower cavity is squeezed; Can increase pressure and be forced upwardly transfer, because the top and the inwall of capsule 1 are steel structure, except that producing micro-deformation; Can't accept to shift a large amount of hydraulic oil of coming by the bottom of capsule 1; Therefore, the outer wall that hydraulic oil have to push capsule 1 makes it distortion, shifts most of hydraulic oil of coming in order to hold capsule 1 bottom; When the outer wall deflection of capsule 1 reaches when closely contacting with the inwall of sleeve pipe 14, just can realize the purpose in packer pipe ring shape space.Up the moving of reducing piston 2 is to lean on rotatablely moving of transmission screw 3 to obtain power and produce to top offset.Because screw structure has certain self-locking action, so when movable wire mother 3 stop motions, reducing piston 2 will be locked.The power that rotatablely moves of transmission screw 3 is provided by motor 5, and motor 5 obtains bigger moment of torsion through 1800: 1 large speed ratio of reductor 4, rotates in order to drive transmission screw 3.Therefore, reducing piston 2 will obtain tens tons thrust, finally guarantee the seat envelope reliability of packer of the present invention, and accompanying drawing 2 has shown this state.Accompanying drawing 3 has shown when carrying deblocking by force; Deciding power shear pin 11 is cut off; Capsule locating assembly 10 is divided into two, and the external seal part is up together along with separating sealing joint 13, breaks away from the sealing station to capsule 1; Hydraulic oil spills capsule 1 by arrow indication place, and packer of the present invention is operated in the sketch map of deblocking state.The present invention has designed the broken capsule acupuncture 7 of a plurality of hollows, and the broken capsule acupuncture 7 of hollow distributes on oil pipe circlewise, and its installation site is less than the interior warp of oil pipe 11; Therefore; As long as just can let the broken capsule acupuncture 7 of hollow produce the distance that moves to the external diameter direction at the interior of oil pipe 11 through putting into the broken capsule acupuncture 7 of deblocking instrument 15 extruded hollow that is slightly smaller than oil pipe 11 warps, this displacement makes hollow break the inside that capsule 1 is thrust in capsule acupuncture 7; As long as make the broken capsule acupuncture 7 of hollow hollow; Hydraulic oil among the capsule 1 cavity A will get into oil pipe along the passage that the broken capsule acupuncture 7 of hollow hollow provides, and the pressure of hydraulic oil will not exist among the capsule 1 cavity A, and packer of the present invention is just by reliability ground deblocking; Accompanying drawing 4 is operating principle sketch mapes of thorn capsule deblocking, and hydraulic oil just gushes capsule 1 at arrow indication place among the figure.
In addition; Two pressure inductors installing at the upper/lower terminal of packer of the present invention can detect the pressure reduction at packer two ends; One-chip computer 6 can just can be judged the Lou degree of envelope through the upper and lower pressure differential of calculating packer, and actuating motor 5 drives the 2 generation displacements of reducing piston through reductor 4 and drive lead screw 3 once more; Eliminate and leak the envelope phenomenon, packer of the present invention is carried out the intelligent management of self-inducting.
Claims (6)
1. the hydraulic pressure inflatable packer that drives of a self-inducting intelligent electric; It is characterized in that: packer of the present invention is to lean on the capsule that is full of hydraulic oil of hollow to realize seat envelope function, total regularly level pressure seat envelope and two kinds of seats envelopes of pressure reduction inductive compensation seat envelope modes with suppress the electric lyolysis of control and seal, carry by force deblocking and sting three kind of deblocking mode of capsule deblocking; When envelope seat be by one-chip computer control, by motor driven, forces capsule to produce deformation to realize a layer interdigit packing function through changing hydraulic oil deposit position in the capsules A chamber; Packer of the present invention by capsule 1, reducing piston 2, transmission screw 3, reductor 4, motor 5, one-chip computer 6, hollow broken capsule acupuncture 7, battery pack 8, pressure inductor 9, capsule locating assembly 10, decide power shear pin 11, oil pipe 12 reconciliation sealing joints 13 are formed.
2. the hydraulic pressure inflatable packer that self-inducting intelligent electric according to claim 1 drives; It is characterized in that: capsule 1 and reducing piston 2 have lap moving axially on the position; Therefore the hydraulic oil generation that can oppress when move the position vertically in the capsule 1 when reducing piston 2 moves upward; Force capsule 1 to produce radially deformation, realize the effect in packer pipe ring shape space.
3. the hydraulic pressure inflatable packer that self-inducting intelligent electric according to claim 1 drives; It is characterized in that: a pressure inductor respectively is installed at the upper/lower terminal of packer of the present invention; When packer occurs leaking the envelope situation; One-chip computer 6 can be through detecting the upper and lower pressure differential of packer; Judge to leak the degree of envelope and once more actuating motor 5 drive reducing pistons 2 through reductor 4 and transmission screw 3 and produce displacements and eliminate and leak the envelope phenomenons, packer of the present invention is carried out the self-inducting intelligent management.
4. the hydraulic pressure inflatable packer that self-inducting intelligent electric according to claim 1 drives; It is characterized in that: when suppressing the electric lyolysis of control envelope, will overlap annular space by ground installation and be full of liquid, and send pressure controling signal; One-chip computer 6 can be through detected pressure controling signal; Actuating motor 5 drives reducing piston 2 through reductor 4 and transmission screw 3 and produces reverse displacement, and the hydraulic oil energy in the release capsule 1 is realized deblocking.
5. the hydraulic pressure inflatable packer that self-inducting intelligent electric according to claim 1 drives is characterized in that: when carrying deblocking by force, will separate sealing joint 13 through sand surfing and rinse well; Again with spear-head with separate sealing joint 13 dock and carry out on carry; When the power of carrying on being somebody's turn to do reaches certain value, decide power shear pin 11 and will be cut off, capsule locating assembly 10 just can be divided into two; Wherein a part can be up together along with separating sealing joint 13; Disengaging is to the sealing station of capsule 1, and hydraulic oil will spill capsule 1, has realized the purpose of deblocking.
6. the hydraulic pressure inflatable packer that self-inducting intelligent electric according to claim 1 drives; It is characterized in that: if the sealing layer position is more, the packer of lower floor does not have deblocking, just can use thorn capsule deblocking; For this reason specialized designs of the present invention the broken capsule acupunctures 7 of a plurality of hollows; Therefore their radially installation dimension, makes them produce radial displacement as long as put into the broken capsule acupuncture 7 of appropriate deblocking instrument 15 extruded hollow less than the internal diameter of packer; Just can puncture capsule 1 and emit the hydraulic oil of depositing, realize the purpose of deblocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102786078A CN102400658A (en) | 2010-09-13 | 2010-09-13 | Self-induction type intelligent electrically driven hydraulic capsule packer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102786078A CN102400658A (en) | 2010-09-13 | 2010-09-13 | Self-induction type intelligent electrically driven hydraulic capsule packer |
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| CN102400658A true CN102400658A (en) | 2012-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102786078A Pending CN102400658A (en) | 2010-09-13 | 2010-09-13 | Self-induction type intelligent electrically driven hydraulic capsule packer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103806935A (en) * | 2014-02-28 | 2014-05-21 | 中煤科工集团西安研究院有限公司 | Hole reinforcement and outburst prevention device |
| CN104453860A (en) * | 2014-10-30 | 2015-03-25 | 贵州航天凯山石油仪器有限公司 | Sealing detecting method and device of water injection well packer |
| CN105043731A (en) * | 2015-06-29 | 2015-11-11 | 株洲时代新材料科技股份有限公司 | Contractive packer simulation test device and test method |
| CN105696965A (en) * | 2016-04-20 | 2016-06-22 | 中国石油集团西部钻探工程有限公司 | Electric packer |
| CN110541678A (en) * | 2019-07-02 | 2019-12-06 | 山东滨州胜滨石油仪器制造有限公司 | Horizontal well wet joint butting tool and method |
| CN112855098A (en) * | 2021-02-19 | 2021-05-28 | 大庆市天德忠石油科技有限公司 | Water plugging pipe column |
| CN115961907A (en) * | 2023-03-13 | 2023-04-14 | 中煤科工西安研究院(集团)有限公司 | Bottom-touching self-locking type plugging device and method for water passing large channel |
-
2010
- 2010-09-13 CN CN2010102786078A patent/CN102400658A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103806935A (en) * | 2014-02-28 | 2014-05-21 | 中煤科工集团西安研究院有限公司 | Hole reinforcement and outburst prevention device |
| CN103806935B (en) * | 2014-02-28 | 2015-09-09 | 中煤科工集团西安研究院有限公司 | A kind of solid hole and outburst prevention device |
| CN104453860A (en) * | 2014-10-30 | 2015-03-25 | 贵州航天凯山石油仪器有限公司 | Sealing detecting method and device of water injection well packer |
| CN105043731A (en) * | 2015-06-29 | 2015-11-11 | 株洲时代新材料科技股份有限公司 | Contractive packer simulation test device and test method |
| CN105043731B (en) * | 2015-06-29 | 2018-08-21 | 株洲时代新材料科技股份有限公司 | A kind of contraction type packer simulation test device and test method |
| CN105696965A (en) * | 2016-04-20 | 2016-06-22 | 中国石油集团西部钻探工程有限公司 | Electric packer |
| CN105696965B (en) * | 2016-04-20 | 2018-03-27 | 中国石油集团西部钻探工程有限公司 | Electrodynamic type packer |
| CN110541678A (en) * | 2019-07-02 | 2019-12-06 | 山东滨州胜滨石油仪器制造有限公司 | Horizontal well wet joint butting tool and method |
| CN110541678B (en) * | 2019-07-02 | 2021-05-18 | 山东滨州胜滨石油仪器制造有限公司 | Horizontal well wet joint butting tool and method |
| CN112855098A (en) * | 2021-02-19 | 2021-05-28 | 大庆市天德忠石油科技有限公司 | Water plugging pipe column |
| CN112855098B (en) * | 2021-02-19 | 2021-10-29 | 大庆市天德忠石油科技有限公司 | Water plugging pipe column |
| CN115961907A (en) * | 2023-03-13 | 2023-04-14 | 中煤科工西安研究院(集团)有限公司 | Bottom-touching self-locking type plugging device and method for water passing large channel |
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Addressee: Kunshan Zhongci GongKong Technology Development Co., Ltd. Document name: Notification of before Expiration of Request of Examination as to Substance |
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Addressee: Kunshan Zhongci GongKong Technology Development Co., Ltd. Document name: Notification that Application Deemed to be Withdrawn |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120404 |