CN109025819A - Hydraulic pushing device in rotating mechanism - Google Patents
Hydraulic pushing device in rotating mechanism Download PDFInfo
- Publication number
- CN109025819A CN109025819A CN201811090116.3A CN201811090116A CN109025819A CN 109025819 A CN109025819 A CN 109025819A CN 201811090116 A CN201811090116 A CN 201811090116A CN 109025819 A CN109025819 A CN 109025819A
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- hydraulic
- cover board
- plunger
- fluid cylinder
- mounting groove
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- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 25
- 239000012530 fluid Substances 0.000 claims description 66
- 238000007789 sealing Methods 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 8
- 238000005553 drilling Methods 0.000 description 8
- 239000010720 hydraulic oil Substances 0.000 description 8
- 238000011161 development Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000926 separation method Methods 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
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- 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)
- Actuator (AREA)
Abstract
The present invention relates to hydraulic thrusts in rotating mechanism to lean on engineering device technique field, is hydraulic pushing device in a kind of rotating mechanism comprising hydraulic tray, floor, rib cover board；Backup mounting groove is respectively arranged on hydraulic tray upper right face and lower part right side, floor installation elongated slot is provided on the left side of floor, it is integrally fixed with installation wing plate in the inside of floor upper surface and lower end surface, floor back-off, which is mounted on hydraulic tray and installs wing plate, to be located in backup mounting groove.Structure of the invention is reasonable and compact, easy to use, and the present invention has the characteristics that high build angle rate, high temperature resistant, deflecting performance is stable, can be suitable for small size wellbore compared with the pushing type rotary steerable tool of electric-motor pump principle.
Description
Technical field
The present invention relates to hydraulic thrusts in rotating mechanism to lean on engineering device technique field, be in a kind of rotating mechanism hydraulic thrust by filling
It sets.
Background technique
As each oil field in the world subsequently enters development late stage, oil reservoir development difficulty is gradually increased, and drilling strata is increasingly complicated,
New period facing challenges push oil-gas field development by conventional development technique towards horizontal well, extended reach directional well, multiple-limb
The development technique such as well, slim hole well direction is developed, while more stringent requirements are proposed to drilling technology for technology newly developed.Traditional
Navigational drilling techniques based on slide-and-guide technology, and slide-and-guide technology exists that axial frictional resistance is big, drilling process is not easy chip removal,
The problems such as drilling efficiency is low, wellbore is rough.From in the 1990s, external each major oil companies have launched rotary steering
Drilling tool, wherein with the Auto Trak series of Baker-Hughes, the Power Driver series of Schlumberger,
The Geo-Pilot series of Halliburton is representative, and foreign petroleum company is passed in high build angle rate, downhole data monitoring, data
It is defeated etc. to continuously improve and perfect.The country to the research and development of rotary steering relatively late, at present mainly with pushing type rotary steering
Based on, working principle is that goal orientation resultant force, rib are obtained by controlling the thrust of three rib push plates on not rotary sleeve
Backup power is from the hydraulic module integrated with elements such as motor, pump, valves.The pushing type rotary steering of electric-motor pump principle
Tool causes the radial dimension of steering tool to increase, and need to be from rotation under the integrated embedding plant rib push plate of hydraulic module
Mandrel provides power supply and control signal to motor to not rotary sleeve, and the high vibration and shaft bottom high temperature at drill bit can be to letters
Number transmission and motor control module cause serious interference.Therefore, the pushing type rotary steerable tool of electric-motor pump principle there is
Deflecting ability is low, the hole diameter scope of application is small, steering capability is disturbed the problems such as big.
Summary of the invention
The present invention provides hydraulic pushing devices in a kind of rotating mechanism, overcome the defects of the prior art, energy
Effectively solving the pushing type rotary steerable tool of electric-motor pump principle, that there is deflecting abilities is low, the hole diameter scope of application is small, guiding performance
The problem of the problems such as big can be disturbed.
The technical scheme is that being realized by following measures: hydraulic pushing device in a kind of rotating mechanism, packet
Include hydraulic tray, floor, rib cover board；Backup installation is respectively arranged on hydraulic tray upper right face and lower part right side
Slot is provided with floor installation elongated slot on the left side of floor, is integrally fixed with installation in the inside of floor upper surface and lower end surface
Wing plate, floor back-off, which is mounted on hydraulic tray and installs wing plate, to be located in backup mounting groove, is installed in upper and lower two backups
It is provided with the cylinder groove of at least one on hydraulic tray right side between slot, fluid cylinder, each liquid are installed in each cylinder groove
The plunger that can be axially moved along fluid cylinder under hydraulic-driven is installed in cylinder, is provided on the left side of each plunger hydraulic
Slot is equipped with plunger top between each plunger and floor, and the plunger top upper sleeve gasket between plunger and floor is equipped with
The outer rim set of dust cap, dust cap is tightly packed on the outer wall of fluid cylinder, on the outer circumference surface of each fluid cylinder on the right side of hydraulic tray
It is integrally fixed with installation land, is fixedly mounted on hydraulic tray right side by the way that land will be installed and fluid cylinder is fixedly mounted
In hydraulic tray, rib cover board includes cover board land and annular cover plate, outer with annular cover plate on the outside of the inner ring of cover board land
Edge face is integrally fixed together, and the upper inner wall of cover board land is concordant with backup mounting groove upper side wall above, cover board land
Lower inside wall it is concordant with following backup mounting groove lower wall, the inner edge of annular cover plate is greater than the outer rim of floor, floor position
In in annular cover plate and can or retraction overhanging along annular cover plate, be fixedly installed with can between installation wing plate and annular cover plate
Flexible compressed spring, a hydraulic thrust through hydraulic tray upper and lower side is provided in hydraulic tray by branch, corresponding each
The small through hole that connection hydraulic thrust leans on branch and hydraulic slot is provided on the hydraulic tray of plunger, hydraulic thrust is pacified in the lower end of branch
Equipped with throttle valve and fluid path plug, it is provided in fluid path plug and axially penetrates through fluid path plug and be connected to throttle valve and hydraulic thrust by branch
The channel on road.
Here is the further optimization and/or improvements to invention technology described above scheme:
Chuck, the plunger of corresponding each plunger top are integrally fixed in the floor installation elongated slot of the above-mentioned each plunger top of correspondence
Face is spherical groove, and the plunger top face of corresponding plunger is spherical surface, and the plunger top face of corresponding chuck is the card cooperated with chuck
The spherical surface of slot, plunger top is located in the spherical groove of plunger, and chuck is located in the card slot of plunger top.
Above-mentioned further includes fluid cylinder cover board, and fluid cylinder cover board is mounted in installation land, between fluid cylinder cover board and hydraulic tray
It is fixedly installed with bolt and then installation land is pressed between fluid cylinder cover board and hydraulic tray, is pressed on the outer rim of dust cap
Between fluid cylinder cover board and fluid cylinder outer wall.
It is provided with mounting groove on the outer rim circumferential surface of above-mentioned cover board land, cover board closing piece, corresponding lid are installed in mounting groove
The pinning mounting groove communicated vertical with the mounting groove is provided in plate land on the cover board land right side of mounting groove, is pacified in pinning
The pinning that cover board closing piece is compressed is installed in tankage.
Be fixedly installed with sealing ring between above-mentioned each fluid cylinder and hydraulic tray, each fluid cylinder and the plunger internal with it
Between be fixedly installed with sealing ring.
Structure of the invention is reasonable and compact, easy to use, the pushing type rotary steerable tool of the present invention and electric-motor pump principle
It compares, has the characteristics that high build angle rate, high temperature resistant, deflecting performance is stable, can be suitable for small size wellbore.
Detailed description of the invention
Attached drawing 1 is schematic diagram of main cross-sectional structure of preferred embodiment.
Coding in attached drawing is respectively as follows: 1 for hydraulic tray, and 2 be floor, and 3 be installation wing plate, and 4 be fluid cylinder, and 5 be plunger, and 6
It is come directly towards for hydraulic slot, 7 for plunger, 8 be dust cap, and 9 be installation land, and 10 be cover board land, and 11 be annular cover plate, and 12 be compression
Spring, 13 lean on branch for hydraulic thrust, and 14 be small through hole, and 15 be throttle valve, and 16 be fluid path plug, and 17 be chuck, and 18 be fluid cylinder lid
Plate, 19 be cover board closing piece, and 20 be pinning, and 21 be sealing ring.
Specific embodiment
The present invention is not limited by the following examples, can determine according to the technique and scheme of the present invention with actual conditions specific
Embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to Figure of description 1
Butut mode be described, such as: the positional relationship of upper and lower, left and right is come according to the Butut direction of Figure of description
Determining.
Below with reference to examples and drawings, the invention will be further described:
As shown in Fig. 1, hydraulic pushing device includes hydraulic tray 1, floor 2, rib cover board in the rotating mechanism；Hydraulic tray
It is respectively arranged with backup mounting groove on 1 upper right face and lower part right side, floor installation length is provided on the left side of floor 2
Slot is integrally fixed with installation wing plate 3 in the inside of 2 upper surface of floor and lower end surface, and the back-off of floor 2 is mounted on hydraulic tray 1
And wing plate 3 is installed to be located in backup mounting groove, is arranged on 1 right side of hydraulic tray between upper and lower two backup mounting grooves
There is the cylinder groove of at least one, fluid cylinder 4 is installed, being equipped in each fluid cylinder 4 can under hydraulic-driven in each cylinder groove
The plunger 5 being axially moved along fluid cylinder 4, is provided with hydraulic slot 6 on the left side of each plunger 5, each plunger 5 and floor 2 it
Between plunger top 7 is installed, plunger between plunger 5 and floor 2 comes directly towards 7 upper sleeve gaskets and dust cap 8 is housed, dust cap 8
Outer rim set is tightly packed on the outer wall of fluid cylinder 4, is integrally fixed with peace on the outer circumference surface of each fluid cylinder 4 on 1 right side of hydraulic tray
Land 9 is filled, is fixedly mounted on 1 right side of hydraulic tray by the way that land 9 will be installed and fluid cylinder 4 is fixedly mounted on hydraulic propping
In disk 1, rib cover board includes cover board land 10 and annular cover plate 11, outer with annular cover plate 11 on the outside of the inner ring of cover board land 10
Edge face is integrally fixed together, and the upper inner wall of cover board land 10 is concordant with backup mounting groove upper side wall above, cover board ring
The lower inside wall of platform 10 is concordant with following backup mounting groove lower wall, and the inner edge of annular cover plate 11 is greater than the outer rim of floor 2,
Floor 2 be located in annular cover plate 11 and can or retraction overhanging along annular cover plate 11, installing between wing plate 3 and annular cover plate 11
It is fixedly installed with the compressed spring 12 that can be stretched, one is provided in hydraulic tray 1 through the hydraulic of 1 upper and lower side of hydraulic tray
Backup branch 13 is provided with connection hydraulic thrust on the hydraulic tray 1 of corresponding each plunger 5 by the small logical of branch 13 and hydraulic slot 6
Hole 14, hydraulic thrust are equipped with throttle valve 15 and fluid path plug 16 in the lower end of branch 13, are provided with axial direction in fluid path plug 16
Through fluid path plug 16 and throttle valve 15 and hydraulic thrust are connected to by the channel of branch 13.
Dust cap 8 effectively prevent dust in well to enter in fluid cylinder 4, provides a clean working environment for plunger 5；Fluid path
Channel in plug 16 is connected to the oil back chamber in pushing type rotary steerable tool.
Structure of the invention is reasonable and compact, easy to use, with the pushing type rotary steerable tool by electric-motor pump principle
In backup assembly compare, do not need that any electric control gear is installed in the present invention, this greatly simplifies hydraulic thrust lean on assembly
Structure, reduce radial dimension of the invention, and in pushing type rotary steerable tool install the present invention, it is corresponding to push away
The hydraulic branch for leaning on branch 13 to be connected with hydraulic thrust is set in reclining rotary steerable tool, fluid pressure can be converted to and pushed away
By power, backup power size is controlled by hydraulic fluid pressure size in branch 13 by control hydraulic thrust, guiding operation is obtained with this
When goal orientation power；And the hydraulic oil of hydraulic system selects high temperature resistant aviation hydraulic oil, can be adapted for hot environment, because
This, by the present invention, except having applied to rotary steering drilling tool, high build angle rate, high temperature resistant, deflecting performance is stable, can be applicable in
In the small size wellbore the features such as.
The operation principle of the present invention is that: for the present invention when carrying out guiding operation, hydraulic oil flows into hydraulic backup branch 13, will
Fluid pressure is converted into backup power, and plunger 5 is pushed to move, and then thrust is come directly towards 7 by plunger and is transferred to floor 2, outside floor 2
It stretches, hydraulic oil flows back pusher by power reduction, and under the action of compressed spring 12, the retraction of floor 2 resets；The hydraulic oil of reflux passes through
Fluid path plug 16 is back to the oil back chamber in pushing type rotary steerable tool.
The present invention leans on plunger 5 and hydraulic power compared with the pushing type rotary steerable tool of electric-motor pump principle, by hydraulic thrust
Source separation, floor 2 is interior need to be only equipped with the plunger 5 for generating thrust, and floor 2 uses flat design, this greatly simplifies
Structure of the invention reduces size of the invention, can according to need placement double plunger 5 or more plunger 5 in floor 2, with
Obtain bigger backup power；And the hydraulic oil of hydraulic system selects high temperature resistant aviation hydraulic oil, can be adapted for hot environment, because
This, by the present invention, except having applied to rotary steering drilling tool, high build angle rate, high temperature resistant, deflecting performance is stable, can be applicable in
In the small size wellbore the features such as.
Hydraulic pushing device in above-mentioned rotating mechanism can be made further optimization and/or improvements according to actual needs:
As shown in Fig. 1, chuck 17, corresponding each column are integrally fixed in the floor installation elongated slot of corresponding each plunger top 7
5 face of plunger of plug top 7 is spherical groove, and it is spherical surface that the plunger of corresponding plunger 5, which comes directly towards 7 faces, the plunger top 7 of corresponding chuck 17
Face is the card slot cooperated with chuck 17, and the spherical surface of plunger top 7 is located in the spherical groove of plunger 5, and chuck 17 is located at plunger top
In first 7 card slot.
The spherical surface of plunger top 7 and the cooperation of the spherical groove of plunger 5, the cooperation of chuck 17 and card slot, can guarantee column
During to 2 transmitting thrust of floor the offset of position will not occur for plug 5.
It as shown in Fig. 1, further include fluid cylinder cover board 18, fluid cylinder cover board 18 is mounted in installation land 9, in fluid cylinder cover board 18
Be fixedly installed with bolt between hydraulic tray 1 and then installation land 9 is pressed between fluid cylinder cover board 18 and hydraulic tray 1,
The outer rim of dust cap 8 is pressed between 4 outer wall of fluid cylinder cover board 18 and fluid cylinder.Fluid cylinder cover board 18 is coupled with bolt, side
What civilian dress was set removes and installs.
As shown in Fig. 1, it is provided with mounting groove on the outer rim circumferential surface of cover board land 10, cover board lock is installed in mounting groove
Block 19 corresponds to and is provided with the pinning communicated vertical with the mounting groove on 10 right side of cover board land of mounting groove in cover board land 10
Mounting groove is equipped with the pinning 20 for compressing cover board closing piece 19 in pinning mounting groove.It is set on pushing type rotary steerable tool
It is equipped with mounting groove corresponding with the mounting groove in cover board land 10, between cover board land 10 and pushing type rotary steerable tool
Cover board closing piece 19 is installed in corresponding mounting groove, being coupled of pinning 20 and cover board closing piece 19 facilitate tool installation,
Disassembly and replacement.
As shown in Fig. 1, be fixedly installed with sealing ring 21 between each fluid cylinder 4 and hydraulic tray 1, each fluid cylinder 4 with
Sealing ring 21 is fixedly installed between its internal plunger 5.Sealing ring 21 can effectively ensure that the leakproofness between each component, keep away
Exempt from the hydraulic effect of influence hydraulic oil.
The above technical characteristic constitutes highly preferred embodiment of the present invention, with stronger adaptability and best implementation effect
Fruit can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (9)
1. hydraulic pushing device in a kind of rotating mechanism, it is characterised in that including hydraulic tray, floor, rib cover board；Hydraulic propping
It is respectively arranged with backup mounting groove on disk upper right face and lower part right side, floor installation length is provided on the left side of floor
Slot is integrally fixed with installation wing plate in the inside of floor upper surface and lower end surface, floor back-off be mounted on hydraulic tray and
Installation wing plate is located in backup mounting groove, is provided at least on the hydraulic tray right side between upper and lower two backup mounting grooves
One cylinder groove is equipped with fluid cylinder in each cylinder groove, and being equipped under hydraulic-driven in each fluid cylinder can be along fluid cylinder axis
To the plunger of movement, it is provided with hydraulic slot on the left side of each plunger, plunger top is installed between each plunger and floor
Head, the plunger top upper sleeve gasket between plunger and floor are equipped with dust cap, and the outer rim set of dust cap is tightly packed in the outer of fluid cylinder
On wall, it is integrally fixed with installation land on the outer circumference surface of each fluid cylinder on the right side of hydraulic tray, is consolidated by the way that land will be installed
Fluid cylinder on the hydraulic tray right side and then is fixedly mounted in hydraulic tray by Dingan County, rib cover board include cover board land and
Annular cover plate, the inner ring outside of cover board land and the outer edge surface of annular cover plate are integrally fixed together, in the top of cover board land
Side wall is concordant with backup mounting groove upper side wall above, the lower inside wall of cover board land and following backup mounting groove lower wall
Concordantly, the inner edge of annular cover plate is greater than the outer rim of floor, floor be located in annular cover plate and can it is overhanging along annular cover plate or time
Contracting is fixedly installed with the compressed spring that can be stretched between installation wing plate and annular cover plate, one is provided in hydraulic tray
Branch is leaned on through the hydraulic thrust of hydraulic tray upper and lower side, connection hydraulic thrust is provided on the hydraulic tray of corresponding each plunger by branch
The small through hole on road and hydraulic slot, hydraulic thrust are equipped with throttle valve and fluid path plug, setting in fluid path plug in the lower end of branch
Have and axially penetrates through fluid path plug and be connected to throttle valve and hydraulic thrust by the channel of branch.
2. hydraulic pushing device in rotating mechanism according to claim 1, it is characterised in that corresponding each plunger top
Chuck is integrally fixed in floor installation elongated slot, the plunger face of corresponding each plunger top is spherical groove, the column of corresponding plunger
Plug top face is spherical surface, and the plunger top face of corresponding chuck is the card slot cooperated with chuck, and the spherical surface of plunger top is located at plunger
Spherical groove in, chuck be located at plunger top card slot in.
3. hydraulic pushing device in rotating mechanism according to claim 1 or 2, it is characterised in that it further include fluid cylinder cover board,
Fluid cylinder cover board is mounted in installation land, and bolt is fixedly installed between fluid cylinder cover board and hydraulic tray and then will install land
It is pressed between fluid cylinder cover board and hydraulic tray, the outer rim of dust cap is pressed between fluid cylinder cover board and fluid cylinder outer wall.
4. hydraulic pushing device in rotating mechanism according to claim 1 or 2, it is characterised in that the outer circumference of cover board land
It is provided with mounting groove on face, cover board closing piece is installed in mounting groove, in corresponding cover board land on the right side of the cover board land of mounting groove
It is provided with the pinning mounting groove communicated vertical with the mounting groove on face, is equipped in pinning mounting groove and compresses cover board closing piece
Pinning.
5. hydraulic pushing device in rotating mechanism according to claim 3, it is characterised in that the outer rim circumferential surface of cover board land
On be provided with mounting groove, cover board closing piece is installed in mounting groove, the cover board land right side of mounting groove in corresponding cover board land
On be provided with the pinning mounting groove communicated vertical with the mounting groove, the lock that cover board closing piece is compressed is installed in pinning mounting groove
Nail.
6. hydraulic pushing device in rotating mechanism according to claim 1 or 2, it is characterised in that each fluid cylinder and hydraulic propping
It is fixedly installed with sealing ring between disk, is fixedly installed with sealing ring between each fluid cylinder and the plunger internal with it.
7. hydraulic pushing device in rotating mechanism according to claim 3, it is characterised in that each fluid cylinder and hydraulic tray
Between be fixedly installed with sealing ring, be fixedly installed with sealing ring between each fluid cylinder and the plunger internal it.
8. hydraulic pushing device in rotating mechanism according to claim 4, it is characterised in that each fluid cylinder and hydraulic tray
Between be fixedly installed with sealing ring, be fixedly installed with sealing ring between each fluid cylinder and the plunger internal it.
9. hydraulic pushing device in rotating mechanism according to claim 5, it is characterised in that each fluid cylinder and hydraulic tray
Between be fixedly installed with sealing ring, be fixedly installed with sealing ring between each fluid cylinder and the plunger internal it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811090116.3A CN109025819B (en) | 2018-09-18 | 2018-09-18 | Hydraulic pushing device in rotating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811090116.3A CN109025819B (en) | 2018-09-18 | 2018-09-18 | Hydraulic pushing device in rotating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109025819A true CN109025819A (en) | 2018-12-18 |
| CN109025819B CN109025819B (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811090116.3A Active CN109025819B (en) | 2018-09-18 | 2018-09-18 | Hydraulic pushing device in rotating mechanism |
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| Country | Link |
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| CN (1) | CN109025819B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554793A (en) * | 2019-09-10 | 2021-03-26 | 中国石油天然气集团有限公司 | Method for adjusting thrust of hydraulic device in real time |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939017A (en) * | 2014-04-29 | 2014-07-23 | 重庆前卫科技集团有限公司 | Static bias backup type rotary steering well drilling tool |
| CN105525872A (en) * | 2014-09-29 | 2016-04-27 | 中国石油化工集团公司 | Static pushing type rotating guide device |
| CN208777901U (en) * | 2018-09-18 | 2019-04-23 | 中国石油集团西部钻探工程有限公司 | Hydraulic pushing device in rotating mechanism |
-
2018
- 2018-09-18 CN CN201811090116.3A patent/CN109025819B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939017A (en) * | 2014-04-29 | 2014-07-23 | 重庆前卫科技集团有限公司 | Static bias backup type rotary steering well drilling tool |
| CN105525872A (en) * | 2014-09-29 | 2016-04-27 | 中国石油化工集团公司 | Static pushing type rotating guide device |
| US20180223599A1 (en) * | 2014-09-29 | 2018-08-09 | Sinopec Shengli Petroleum Engineering Co., Ltd. Drilling Technology Research Institute | Static push-the-bit rotary guiding device |
| CN208777901U (en) * | 2018-09-18 | 2019-04-23 | 中国石油集团西部钻探工程有限公司 | Hydraulic pushing device in rotating mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 史玉才;孙海芳;岳步江;管志川;王恒;苗在强;: "静态推靠式旋转导向钻井工具防自锁设计方法", 中国石油大学学报(自然科学版), no. 05, pages 86 - 92 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554793A (en) * | 2019-09-10 | 2021-03-26 | 中国石油天然气集团有限公司 | Method for adjusting thrust of hydraulic device in real time |
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| Publication number | Publication date |
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| CN109025819B (en) | 2024-04-26 |
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Effective date of registration: 20191009 Address after: No. 6, liupukang, Xicheng District, Beijing 100120 Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CNPC Xibu Drilling Engineering Co.,Ltd. Address before: 834000 Drilling Engineering Research Institute, No. 98 Youyi Road, Karamay District, Karamay City, Xinjiang Uygur Autonomous Region Applicant before: CNPC Xibu Drilling Engineering Co.,Ltd. |
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