CN106168124A - A kind of pipe drilling well electro-hydraulic machine control releasing tool mechanical system continuously - Google Patents
A kind of pipe drilling well electro-hydraulic machine control releasing tool mechanical system continuously Download PDFInfo
- Publication number
- CN106168124A CN106168124A CN201610542953.XA CN201610542953A CN106168124A CN 106168124 A CN106168124 A CN 106168124A CN 201610542953 A CN201610542953 A CN 201610542953A CN 106168124 A CN106168124 A CN 106168124A
- Authority
- CN
- China
- Prior art keywords
- piston
- mandrel
- asphalt channel
- separating joint
- sidewall
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 13
- 241000282472 Canis lupus familiaris Species 0.000 claims abstract description 9
- 239000010426 asphalt Substances 0.000 claims description 40
- 238000010008 shearing Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/08—Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
- E21B23/10—Tools specially adapted therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to a kind of pipe drilling well down-hole kit continuously, particularly to one continuous pipe drilling well electro-hydraulic machine control releasing tool mechanical system.The top connection lower end of this device connects separating joint, three steps it are designed with on separating joint lower end outer wall, match outside three steps that sliding sleeve of giving up is sleeved on separating joint lower end outer wall and with the keyway on the step surface of the top, being locked, by the multiple lock dogs of installation, sliding sleeve of giving up on second step on separating joint lower end outer wall, separating joint inwall is connected by shear pin and backing-up screw shears mandrel.Present invention achieves and manipulated by computer on ground, can make to manage continuously and disconnect smoothly with downhole tool safety, the energy of tool work comes from the oil pressure of tool interior, and accident when can effectively prevent releasing tool from high pump pressure and lifting and reversing up and down is put aside, easy and simple to handle, safe and reliable.
Description
Technical field:
The present invention relates to a kind of pipe drilling well down-hole kit continuously, lose particularly to one continuous pipe drilling well electro-hydraulic machine control
Hand-held tool mechanical system.
Background technology:
Indispensable instrument during pipe releasing tool is continuous pipe drilling well and job execution continuously.The effect given up is when even
Under continuous pipe well kit stuck in the wellbore time, it is provided that make the ability managed continuously and downhole tool disconnects.Pipe is lost the most continuously
Hand-held tool is divided several types such as mainly including automatically controlled breakaway-element, hydraulic pressure breakaway-element and mechanical shearing breakaway-element by disconnection mode.When
When tube apparatus uses a whole set of electro-hydraulic control drilling well kit to carry out wellbore construction continuously, owing to needing through electricity in continuous pipe
Cable, when under continuous pipe well kit stuck in the wellbore time, for ensureing ground installation and the safety of down-hole, need to make to manage continuously
Safely disconnect with downhole tool, make hydraulic pressure and power communication safety cut-off.But existing continuous pipe releasing tool can not make
Pipe disconnects smoothly with downhole tool safety continuously.
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of pipe drilling well electro-hydraulic machine control releasing tool mechanical system continuously, should
Device is achieved and is manipulated by computer on ground, it is possible to make to manage continuously and downhole tool safety disconnection, instrument work smoothly
The energy made comes from the oil pressure of tool interior, meaning when can effectively prevent releasing tool from high pump pressure and lifting and reversing up and down
Put aside outward, easy and simple to handle, safe and reliable.Overcome existing continuous pipe releasing tool can not make to manage continuously and downhole tool safety
The deficiency disconnected smoothly.
The technical solution used in the present invention is: a kind of pipe drilling well electro-hydraulic machine control releasing tool mechanical system continuously, including
Top connection, separating joint, shearing mandrel and lower contact；Top connection lower end connects separating joint, and separating joint lower end outer wall sets
In respect of three steps, outside three steps that sliding sleeve of giving up is sleeved on separating joint lower end outer wall and with on the step surface of the top
Keyway match, on second step on separating joint lower end outer wall by install multiple lock dogs sliding sleeve of giving up is locked
Fixed, separating joint inwall is connected by shear pin and backing-up screw shears mandrel, on the shearing mandrel outer wall of lock dog lower end
It is provided with annular groove, the 3rd stepped inner walls on separating joint lower end outer wall is provided with multiple stop screw, stop screw
Stretching in the annular groove shearing mandrel, shear mandrel lower end and be enclosed within piston mandrel, piston bush is contained on piston mandrel and energy
Enough moving up and down along piston mandrel, piston upper end withstands on shearing mandrel lower surface, and piston mandrel lower end is provided with central canal, gives up
Sliding sleeve, piston sleeve, branch sleeve, oil pocket sleeve, lower contact are sequentially connected with from top to bottom, piston upper end sidewall and piston mandrel
Between form annular space, piston upper end sidewall has and can connect lead to outside with piston upper end sidewall of the internal annular space in piston upper end
Hole, between piston and piston mandrel, is all sealed by sealing ring between piston and piston sleeve, piston
Having annular groove on face, piston is against on branch sleeve upper surface, has asphalt channel III in piston mandrel sidewall, even
Have asphalt channel II and asphalt channel IV in connecing sleeve lateral wall, branch sleeve sidewall is provided with two respectively with asphalt channel
II pump nozzle being connected with asphalt channel IV, has the asphalt channel I being connected with central canal lower surface in central canal sidewall
With asphalt channel V, asphalt channel I upper end is connected with asphalt channel II, asphalt channel II upper end and the ring on piston lower surface
Connected in star is connected, and the internal annular space in piston upper end is connected with asphalt channel III, and asphalt channel III, asphalt channel IV, oil circuit are logical
Road V sequentially connects.
The invention has the beneficial effects as follows: present invention achieves and manipulated by computer on ground, it is possible to make to manage continuously
Disconnecting smoothly with downhole tool safety, the energy of tool work comes from the oil pressure of tool interior, can effectively prevent releasing tool
Accident when in high pump pressure and lifting and reverse up and down is put aside, easy and simple to handle, safe and reliable.
Accompanying drawing illustrates:
The present invention will be further described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention:
As it is shown in figure 1, a kind of pipe drilling well electro-hydraulic machine control releasing tool mechanical system continuously, including top connection 1, separating joint
2, mandrel 5 and lower contact 19 are sheared；Top connection 1 lower end connects separating joint 2, and separating joint 2 lower end outer wall is designed with three
Step, outside three steps that sliding sleeve 7 of giving up is sleeved on separating joint 2 lower end outer wall and with the keyway on the step surface of the top
Match, sliding sleeve 7 of giving up locked by the multiple lock dogs 6 of installation by second step on separating joint 2 lower end outer wall,
Separating joint 2 inwall is connected by shear pin 3 and backing-up screw 4 shears mandrel 5, at shearing mandrel 5 outer wall of lock dog 6 lower end
Being provided with annular groove, when carrying out putting operation aside, lock dog 6 can enter in the annular groove shearing mandrel 5, so that separating
Joint 2 and sliding sleeve 7 of giving up separate.On the 3rd stepped inner walls on separating joint 2 lower end outer wall, multiple stop screw is installed
9, stop screw 9 stretches in the annular groove shearing mandrel 5, after shear pin 3 is cut off, is limited to the shearing of stop screw 9
Mandrel 5, can slide within the specific limits.Shearing mandrel 5 lower end to be enclosed within piston mandrel 12, piston 11 is sleeved on piston core
On axle 12 and can move up and down along piston mandrel 12, piston 11 upper end withstands on shearing mandrel 5 lower surface, piston mandrel 12 times
End is provided with central canal 17, and sliding sleeve 7 of giving up, piston sleeve 10, branch sleeve 15, oil pocket sleeve 18, lower contact 19 are the most suitable
Secondary connection, releasing tool electronic system and hydraulic system are placed in the inner chamber of oil pocket sleeve 18.Piston 11 upper end sidewall and work
Form annular space between plug mandrel 12, piston 11 upper end sidewall has and can connect on the internal annular space in piston 11 upper end and piston 11
Through hole 8 outside the wall of side, between piston 11 lower end and piston mandrel 12, all passes through between piston 11 lower end and piston sleeve 10
Sealing ring seals, and piston 11 has annular groove on lower surface, it is ensured that piston 11 lower end uniform force.Piston 11 lower end is supported
On branch sleeve 15 upper surface, have asphalt channel III 22 in piston mandrel 12 sidewall, in branch sleeve 15 sidewall, have oil
Paths II 13 and asphalt channel IV 21, branch sleeve 15 sidewall is provided with two and leads to asphalt channel II 13 and oil circuit respectively
The pump nozzle 14 that road IV 21 is connected, has the asphalt channel I 16 being connected with central canal 17 lower surface in central canal 17 sidewall
With asphalt channel V 20, asphalt channel I 16 upper end is connected with asphalt channel II 13, asphalt channel II 13 upper end and piston 11 times
Annular groove on end face is connected, and the internal annular space in piston 11 upper end is connected with asphalt channel III 22, asphalt channel III 22, oil
Paths IV 21, asphalt channel V 20 sequentially connect.
Pipe drilling well electro-hydraulic machine control releasing tool is mainly made up of electronic system, hydraulic system, mechanical system three part continuously.
When running into complex situations, need to carry out giving up operation time, on ground by computer operation software, input password password, pass through
Manage continuously built-in cable transfer electric energy and operation signal, drive the work such as micro machine of electronic system, drive the micro-of hydraulic system
Type liquid pump operates, and produces highly pressurised liquid, and highly pressurised liquid enters through asphalt channel I 16, and fluid flows through asphalt channel II 13 and enters into
In annular groove on piston 11 lower surface, piston 11 moves upward under pressure, now in the annular seal space of piston 11 upper end
High-pressure fluid will flow sequentially through through hole 8, asphalt channel III 22, asphalt channel IV 21, asphalt channel V 20 flow back to hydraulic system
In.Piston 11 moves upward, and after promoting shearing mandrel 5 to be cut off by shear pin 3, shears mandrel 5 and continues under the promotion of piston 11
Continuous move upward, until lock dog 6 enters in the annular groove shearing mandrel 5, now give up sliding sleeve 7 under gravity with separate
Joint 2 departs from, and shears mandrel 5 and can propose shaft bottom together with separating joint 2 under the effect of limited screw 9, and remainder then takes off
Open and stay shaft bottom.Cable section in central canal 17 is provided with weak spot, and after instrument is put aside, cable disconnects in this place, cuts off electricity
Power communication.
It is understood that above with respect to the specific descriptions of the present invention, be merely to illustrate the present invention and be not limited to this
Technical scheme described by inventive embodiments, it will be understood by those within the art that, still can carry out the present invention
Amendment or equivalent, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it
In.
Claims (1)
1. a continuous pipe drilling well electro-hydraulic machine control releasing tool mechanical system, including top connection (1), separating joint (2), shears core
Axle (5) and lower contact (19)；It is characterized in that: top connection (1) lower end connects separating joint (2), separating joint (2) lower end outer wall
On be designed with three steps, outside three steps that sliding sleeve of giving up (7) is sleeved on separating joint (2) lower end outer wall and with go up most
Keyway on the step surface of face matches, by installing multiple lock dogs (6) on second step on separating joint (2) lower end outer wall
Locking sliding sleeve of giving up (7), separating joint (2) inwall is connected by shear pin (3) and backing-up screw (4) shears mandrel
(5), shearing mandrel (5) outer wall of lock dog (6) lower end is provided with annular groove, the 3rd on separating joint (2) lower end outer wall
Being provided with multiple stop screw (9) on individual stepped inner walls, stop screw (9) stretches in the annular groove shearing mandrel (5), shears
Mandrel (5) lower end is enclosed within piston mandrel (12), and piston (11) is sleeved on piston mandrel (12) and can be along piston mandrel
(12) moving up and down, piston (11) upper end withstands on shearing mandrel (5) lower surface, and piston mandrel (12) lower end is provided with central canal
(17), give up sliding sleeve (7), piston sleeve (10), branch sleeve (15), oil pocket sleeve (18), lower contact (19) is the most suitable
Secondary connection, forms annular space between piston (11) upper end sidewall and piston mandrel (12), piston (11) upper end sidewall has can
The internal annular space in connection piston (11) upper end and the through hole (8) outside the sidewall of piston (11) upper end, piston (11) lower end and piston core
Between axle (12), all sealed by sealing ring between piston (11) lower end and piston sleeve (10), piston (11) lower surface
On have annular groove, piston (11) lower end is against on branch sleeve (15) upper surface, has oil in piston mandrel (12) sidewall
Paths III (22), has asphalt channel II (13) and asphalt channel IV (21), branch sleeve in branch sleeve (15) sidewall
(15) two pump nozzles (14) being connected with asphalt channel II (13) and asphalt channel IV (21) respectively are installed on sidewall, in
The asphalt channel I (16) and asphalt channel V (20) being connected with central canal (17) lower surface is had, oil in heart pipe (17) sidewall
Paths I (16) upper end is connected with asphalt channel II (13), on asphalt channel II (13) upper end and piston (11) lower surface
Annular groove is connected, and the internal annular space in piston (11) upper end is connected with asphalt channel III (22), asphalt channel III (22), oil circuit
Passage IV (21), asphalt channel V (20) sequentially connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542953.XA CN106168124B (en) | 2016-07-12 | 2016-07-12 | A kind of continuous pipe drilling well electro-hydraulic machine control releasing tool mechanical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542953.XA CN106168124B (en) | 2016-07-12 | 2016-07-12 | A kind of continuous pipe drilling well electro-hydraulic machine control releasing tool mechanical system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106168124A true CN106168124A (en) | 2016-11-30 |
| CN106168124B CN106168124B (en) | 2018-10-23 |
Family
ID=58064871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610542953.XA Active CN106168124B (en) | 2016-07-12 | 2016-07-12 | A kind of continuous pipe drilling well electro-hydraulic machine control releasing tool mechanical system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106168124B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622844A (en) * | 2020-05-06 | 2021-11-09 | 中国石油天然气集团有限公司 | Releasing tool |
| CN113685138A (en) * | 2021-08-12 | 2021-11-23 | 中煤科工集团西安研究院有限公司 | Continuous pipe multi-section tool string for drilling of extremely-small-radius horizontal well and construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4081043A (en) * | 1977-01-26 | 1978-03-28 | Christensen, Inc. | Hydraulic jars for bore hole drilling |
| US4858692A (en) * | 1987-03-19 | 1989-08-22 | Den Norske Stats Oljeselskap A.S | Cementing apparatus and method for execution of cementing operation |
| CN2616658Y (en) * | 2003-05-10 | 2004-05-19 | 尹婷 | Novel dropper |
| CN2864080Y (en) * | 2005-10-31 | 2007-01-31 | 新疆石油管理局钻井工艺研究院 | Hydraulic releasing tool |
| CN202544760U (en) * | 2012-03-20 | 2012-11-21 | 中国石油集团长城钻探工程有限公司 | Hydraulic separator for coiled tubing |
-
2016
- 2016-07-12 CN CN201610542953.XA patent/CN106168124B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4081043A (en) * | 1977-01-26 | 1978-03-28 | Christensen, Inc. | Hydraulic jars for bore hole drilling |
| US4858692A (en) * | 1987-03-19 | 1989-08-22 | Den Norske Stats Oljeselskap A.S | Cementing apparatus and method for execution of cementing operation |
| CN2616658Y (en) * | 2003-05-10 | 2004-05-19 | 尹婷 | Novel dropper |
| CN2864080Y (en) * | 2005-10-31 | 2007-01-31 | 新疆石油管理局钻井工艺研究院 | Hydraulic releasing tool |
| CN202544760U (en) * | 2012-03-20 | 2012-11-21 | 中国石油集团长城钻探工程有限公司 | Hydraulic separator for coiled tubing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622844A (en) * | 2020-05-06 | 2021-11-09 | 中国石油天然气集团有限公司 | Releasing tool |
| CN113622844B (en) * | 2020-05-06 | 2024-05-28 | 中国石油天然气集团有限公司 | Releasing tool |
| CN113685138A (en) * | 2021-08-12 | 2021-11-23 | 中煤科工集团西安研究院有限公司 | Continuous pipe multi-section tool string for drilling of extremely-small-radius horizontal well and construction method |
| CN113685138B (en) * | 2021-08-12 | 2023-08-15 | 中煤科工集团西安研究院有限公司 | Coiled tubing multi-section tool string for drilling of horizontal well with minimum radius and construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106168124B (en) | 2018-10-23 |
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Effective date of registration: 20201022 Address after: No. 6, liupukang, Xicheng District, Beijing 100120 Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: China National Petroleum Corporation Great Wall Drilling Engineering Co.,Ltd. Address before: 124010 Xinglongtai, Liaoning Province, oil street, No. 96, No. Patentee before: China National Petroleum Corporation Great Wall Drilling Engineering Co.,Ltd. |