CN109025819B - Hydraulic pushing device in rotating mechanism - Google Patents
Hydraulic pushing device in rotating mechanism Download PDFInfo
- Publication number
- CN109025819B CN109025819B CN201811090116.3A CN201811090116A CN109025819B CN 109025819 B CN109025819 B CN 109025819B CN 201811090116 A CN201811090116 A CN 201811090116A CN 109025819 B CN109025819 B CN 109025819B
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- hydraulic
- cover plate
- plunger
- groove
- pushing
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- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 description 15
- 238000005553 drilling Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 238000011161 development Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000008054 signal transmission 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
- 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)
- Actuator (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of hydraulic pushing devices in rotating mechanisms, in particular to a hydraulic pushing device in rotating mechanisms, which comprises a hydraulic tray, rib plates and rib cover plates; the right side surface of the upper part and the right side surface of the lower part of the hydraulic pallet are respectively provided with a pushing mounting groove, the left side surface of the rib plate is provided with a rib plate mounting long groove, the inner sides of the upper end surface and the lower end surface of the rib plate are integrally fixed with mounting wing plates, the rib plate is reversely buckled on the hydraulic pallet, and the mounting wing plates are positioned in the pushing mounting grooves. Compared with a pushing rotary guiding tool based on a motor pump principle, the invention has the characteristics of high build-up rate, high temperature resistance, stable build-up performance, suitability for small-size wellholes and the like.
Description
Technical Field
The invention relates to the technical field of hydraulic pushing devices in rotating mechanisms, in particular to a hydraulic pushing device in a rotating mechanism.
Background
As the oil fields of the world enter the later development stage successively, the development difficulty of oil reservoirs is increased gradually, the drilling and encountering stratum is complicated, challenges in new period promote the development of oil and gas fields from the conventional development technology to the development technology of horizontal wells, large-displacement directional wells, multi-branch wells, slim-hole wells and the like, and the new development technology brings higher requirements on the drilling technology. The traditional steering drilling technology is mainly a sliding steering technology, and the sliding steering technology has the problems of large axial friction, difficult chip removal in the drilling process, low drilling efficiency, unsmooth borehole and the like. Since the 90 s of the 20 th century, various large oil companies abroad have successively introduced rotary steerable drilling tools represented by the Auto Trak series of Baker-Hughes, the Power Driver series of Schlumberger, the Geo-Pilot series of haliburton, and the foreign oil companies have been continuously improved and perfected in terms of high build rates, downhole data monitoring, data transmission, and the like. The research and development of the rotary guide in China are relatively late, the push-leaning rotary guide is mainly adopted at present, and the working principle is that the target guiding resultant force is obtained by controlling the thrust of three rib pushing plates on a non-rotary jacket, and the rib pushing force is from a hydraulic module which is integrated by elements such as a motor, a pump, a valve and the like. The pushing type rotary guiding tool of the motor pump principle is used for embedding an integrated hydraulic module under a rib pushing plate, so that the radial size of the guiding tool is increased, a power supply and a control signal are required to be provided for a motor from a rotating core shaft non-rotating outer sleeve, and severe vibration and high bottom hole temperature close to a drill bit can cause serious interference to signal transmission and a motor control module. Therefore, the pushing rotary guiding tool based on the motor pump principle has the problems of low deflecting capability, small well diameter application range, large interference on guiding performance and the like.
Disclosure of Invention
The invention provides a hydraulic pushing device in a rotating mechanism, which overcomes the defects of the prior art and can effectively solve the problems of low deflecting capability, small well diameter application range, large interference on guiding performance and the like of a pushing type rotary guiding tool of a motor pump principle.
The technical scheme of the invention is realized by the following measures: a hydraulic pushing device in a rotating mechanism comprises a hydraulic tray, rib plates and rib cover plates; the right side surface of the upper part and the right side surface of the lower part of the hydraulic pallet are respectively provided with a pushing mounting groove, the left side surface of each rib plate is provided with a rib plate mounting long groove, the inner sides of the upper end surface and the lower end surface of each rib plate are integrally fixed with a mounting wing plate, the rib plates are reversely buckled and mounted on the hydraulic pallet and are positioned in the pushing mounting grooves, the right side surface of the hydraulic pallet between the upper pushing mounting groove and the lower pushing mounting groove is provided with at least one cylindrical groove, each cylindrical groove is internally provided with a hydraulic cylinder, each hydraulic cylinder is internally provided with a plunger which can axially move along the hydraulic cylinder under the hydraulic drive, the left end surface of each plunger is provided with a hydraulic groove, a plunger jack is mounted between each plunger and the rib plate, the plunger jack between the plunger and the rib plate is provided with a dustproof cap in a sealing sleeve, the outer edge of the dustproof cap is tightly sleeved on the outer wall of the hydraulic cylinder, the outer circumference of each hydraulic cylinder on the right side of the hydraulic pallet is integrally fixed with a mounting ring table, the rib cover plate comprises a cover plate ring table and an annular cover plate, the outer side of the inner ring of the cover plate ring table is integrally fixed with the outer edge surface of the annular cover plate, the upper inner side wall of the cover plate ring table is flush with the upper side wall of the pushing mounting groove, the lower inner side wall of the cover plate ring table is flush with the lower side wall of the pushing mounting groove, the inner edge of the annular cover plate is larger than the outer edge of the rib plate, the rib plate is positioned in the annular cover plate and can extend or retract along the annular cover plate, a telescopic compression spring is fixedly arranged between the mounting wing plate and the annular cover plate, a hydraulic pushing branch penetrating through the upper end and the lower end of the hydraulic tray is arranged in the hydraulic tray, a small through hole communicating the hydraulic pushing branch and the hydraulic groove is arranged on the hydraulic tray corresponding to each plunger, the lower end of the hydraulic pushing branch is internally provided with a throttle valve and a liquid path plug, and a channel which axially penetrates through the liquid path plug and is communicated with the throttle valve and the hydraulic pushing branch is arranged in the liquid path plug.
The following are further optimizations and/or improvements to the above-described inventive solution:
the rib plate installation long groove corresponding to each plunger plug is internally and integrally provided with the clamping table, the plunger face corresponding to each plunger plug is a spherical groove, the plunger plug face corresponding to the plunger is a spherical surface, the plunger plug face corresponding to the clamping table is a clamping groove matched with the clamping table, the spherical surface of the plunger plug is positioned in the spherical groove of the plunger, and the clamping table is positioned in the clamping groove of the plunger plug.
The dustproof cover plate is characterized by further comprising a hydraulic cylinder cover plate, wherein the hydraulic cylinder cover plate is arranged on the installation ring table, bolts are fixedly arranged between the hydraulic cylinder cover plate and the hydraulic tray so as to tightly press the installation ring table between the hydraulic cylinder cover plate and the hydraulic tray, and the outer edge of the dustproof cover is tightly pressed between the hydraulic cylinder cover plate and the outer wall of the hydraulic cylinder.
The outer peripheral surface of the cover plate ring table is provided with a mounting groove, a cover plate locking block is mounted in the mounting groove, the right side surface of the cover plate ring table corresponding to the mounting groove on the cover plate ring table is provided with a locking nail mounting groove which is vertically communicated with the mounting groove, and locking nails which compress the cover plate locking block are mounted in the locking nail mounting groove.
A sealing ring is fixedly arranged between each hydraulic cylinder and the hydraulic tray, and a sealing ring is fixedly arranged between each hydraulic cylinder and the plunger inside each hydraulic cylinder.
Compared with a pushing rotary guiding tool based on a motor pump principle, the invention has the characteristics of high build-up rate, high temperature resistance, stable build-up performance, suitability for small-size wellholes and the like.
Drawings
Fig. 1 is a schematic view of a cross-sectional front view of a preferred embodiment of the present invention.
The codes in the drawings are respectively: 1 is a hydraulic pallet, 2 is a rib plate, 3 is a mounting wing plate, 4 is a hydraulic cylinder, 5 is a plunger, 6 is a hydraulic groove, 7 is a plunger plug, 8 is a dust cap, 9 is a mounting annular table, 10 is a cover plate annular table, 11 is an annular cover plate, 12 is a compression spring, 13 is a hydraulic pushing branch, 14 is a small through hole, 15 is a throttle valve, 16 is a liquid path plug, 17 is a clamping table, 18 is a hydraulic cylinder cover plate, 19 is a cover plate locking block, 20 is a locking nail, and 21 is a sealing ring.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of each component is described according to the layout manner of fig. 1 of the specification, for example: the positional relationship of the upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawing of the specification.
The invention is further described below with reference to examples and figures:
As shown in fig. 1, the hydraulic pushing device in the rotating mechanism comprises a hydraulic tray 1, a rib plate 2 and a rib cover plate; the right side surface of the upper part and the right side surface of the lower part of the hydraulic tray 1 are respectively provided with a pushing mounting groove, the left side surface of the rib plate 2 is provided with a rib plate mounting long groove, the inner sides of the upper end surface and the lower end surface of the rib plate 2 are integrally fixed with a mounting wing plate 3, the rib plate 2 is reversely buckled on the hydraulic tray 1, the mounting wing plate 3 is positioned in the pushing mounting groove, the right side surface of the hydraulic tray 1 between the upper pushing mounting groove and the lower pushing mounting groove is provided with at least one cylindrical groove, each cylindrical groove is internally provided with a hydraulic cylinder 4, each hydraulic cylinder 4 is internally provided with a plunger 5 which can axially move along the hydraulic cylinder 4 under the hydraulic drive, the left end surface of each plunger 5 is provided with a hydraulic groove 6, a plunger jack 7 is arranged between each plunger 5 and the rib plate 2, a dustproof cap 8 is sleeved on the plunger jack 7 between the plunger 5 and the rib plate 2, the outer edge of the dustproof cap 8 is tightly sleeved on the outer wall of the hydraulic cylinder 4, a mounting ring table 9 is integrally fixed on the outer circumferential surface of each hydraulic cylinder 4 on the right side of the hydraulic tray 1, the mounting ring table 9 is fixedly arranged on the right side surface of the hydraulic tray 1 so as to fixedly install the hydraulic cylinders 4 in the hydraulic tray 1, the rib cover plate comprises a cover plate ring table 10 and an annular cover plate 11, the outer side of the inner ring of the cover plate ring table 10 is integrally fixed with the outer edge surface of the annular cover plate 11, the upper inner side wall of the cover plate ring table 10 is flush with the upper side wall of the upper pushing mounting groove, the lower inner side wall of the cover plate ring table 10 is flush with the lower side wall of the lower pushing mounting groove, the inner edge of the annular cover plate 11 is larger than the outer edge of the rib plate 2, the rib plate 2 is positioned in the annular cover plate 11 and can extend or retract along the annular cover plate 11, a telescopic compression spring 12 is fixedly arranged between the mounting wing plate 3 and the annular cover plate 11, the hydraulic tray 1 is internally provided with a hydraulic pushing branch 13 penetrating through the upper end and the lower end of the hydraulic tray 1, the hydraulic tray 1 corresponding to each plunger 5 is provided with a small through hole 14 which is communicated with the hydraulic pushing branch 13 and the hydraulic groove 6, the lower end of the hydraulic pushing branch 13 is internally provided with a throttle valve 15 and a liquid path plug 16, and the liquid path plug 16 is internally provided with a channel which axially penetrates through the liquid path plug 16 and is communicated with the throttle valve 15 and the hydraulic pushing branch 13.
The dustproof cap 8 effectively prevents dust in the well from entering the hydraulic cylinder 4 and provides a clean working environment for the plunger 5; the passage in the fluid line plug 16 communicates with an oil return chamber in the push-on rotary steerable tool.
The invention has reasonable and compact structure and convenient use, compared with a pushing assembly in a pushing rotary guiding tool by means of a motor pump principle, the invention does not need to be provided with any electric control device, thus greatly simplifying the structure of the hydraulic pushing assembly, reducing the radial size of the invention, and installing the invention in the pushing rotary guiding tool, correspondingly arranging a hydraulic branch communicated with the hydraulic pushing branch 13 in the pushing rotary guiding tool, converting the liquid pressure into pushing force, and controlling the pushing force by controlling the pressure of hydraulic oil in the hydraulic pushing branch 13 so as to obtain the target guiding force during guiding operation; the hydraulic oil of the hydraulic system is high-temperature resistant aviation hydraulic oil, and the hydraulic oil can be suitable for a high-temperature environment, so that the hydraulic oil not only has the characteristics of high build rate, high temperature resistance, stable build-up performance, suitability for small-size wellbores and the like when the hydraulic oil is applied to a rotary steering drilling tool.
When the guide operation is carried out, hydraulic oil flows into the hydraulic pushing branch 13, the hydraulic pressure is converted into pushing force, the plunger 5 is pushed to move, the pushing force is further transmitted to the rib plate 2 through the plunger plug 7, the rib plate 2 extends outwards, the pushing force is reduced after the hydraulic oil flows back, and the rib plate 2 retracts and resets under the action of the compression spring 12; the returned hydraulic oil flows back to the oil return cavity in the pushing type rotary guiding tool through the liquid path plug 16.
Compared with a pushing type rotary guiding tool based on a motor pump principle, the hydraulic pushing plunger 5 is separated from a hydraulic power source, only the plunger 5 generating pushing force is needed to be installed in the rib plate 2, and the rib plate 2 is of a flat plate type design, so that the structure of the hydraulic pushing type rotary guiding tool is greatly simplified, the size of the hydraulic pushing type rotary guiding tool is reduced, and double plungers 5 or more plungers 5 can be installed in the rib plate 2 according to requirements, so that larger pushing force can be obtained; the hydraulic oil of the hydraulic system is high-temperature resistant aviation hydraulic oil, and the hydraulic oil can be suitable for a high-temperature environment, so that the hydraulic oil not only has the characteristics of high build rate, high temperature resistance, stable build-up performance, suitability for small-size wellbores and the like when the hydraulic oil is applied to a rotary steering drilling tool.
The hydraulic pushing device in the rotating mechanism can be further optimized or/and improved according to actual needs:
As shown in fig. 1, a clamping table 17 is integrally fixed in the rib plate mounting long groove corresponding to each plunger tip 7, the surface of the plunger 5 corresponding to each plunger tip 7 is a spherical groove, the surface of the plunger tip 7 corresponding to the plunger 5 is a spherical surface, the surface of the plunger tip 7 corresponding to the clamping table 17 is a clamping groove matched with the clamping table 17, the spherical surface of the plunger tip 7 is positioned in the spherical groove of the plunger 5, and the clamping table 17 is positioned in the clamping groove of the plunger tip 7.
The cooperation of the sphere of plunger plug 7 and the sphere recess of plunger 5, the cooperation of clamping platform 17 and draw-in groove can guarantee that plunger 5 can not take place the skew of position to the in-process of thrust is transmitted to rib plate 2.
As shown in fig. 1, the hydraulic cylinder cover plate 18 is further included, the hydraulic cylinder cover plate 18 is mounted on the mounting ring table 9, bolts are fixedly mounted between the hydraulic cylinder cover plate 18 and the hydraulic tray 1 so as to tightly press the mounting ring table 9 between the hydraulic cylinder cover plate 18 and the hydraulic tray 1, and the outer edge of the dust cap 8 is tightly pressed between the hydraulic cylinder cover plate 18 and the outer wall of the hydraulic cylinder 4. The hydraulic cylinder cover plate 18 is matched with the bolts, so that the device is convenient to detach and install.
As shown in fig. 1, an installation groove is formed in the peripheral surface of the outer edge of the cover plate ring table 10, a cover plate locking block 19 is installed in the installation groove, a locking pin installation groove which is vertically communicated with the installation groove is formed in the right side surface of the cover plate ring table 10 corresponding to the installation groove on the cover plate ring table 10, and locking pins 20 which compress the cover plate locking block 19 are installed in the locking pin installation groove. The pushing type rotary guiding tool is provided with a mounting groove corresponding to the mounting groove on the cover plate annular table 10, a cover plate locking block 19 is mounted in the mounting groove corresponding to the position between the cover plate annular table 10 and the pushing type rotary guiding tool, and the matching mounting of the locking nails 20 and the cover plate locking block 19 is convenient for the mounting, dismounting and replacement of the tool.
As shown in fig. 1, a sealing ring 21 is fixedly arranged between each hydraulic cylinder 4 and the hydraulic tray 1, and a sealing ring 21 is fixedly arranged between each hydraulic cylinder 4 and the plunger 5 inside the hydraulic cylinder. The sealing ring 21 can effectively ensure the tightness among all the components and avoid influencing the hydraulic effect of hydraulic oil.
The technical characteristics form the optimal embodiment of the invention, have stronger adaptability and optimal implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the requirements of different situations.
Claims (9)
1. The hydraulic pushing device in the rotating mechanism is characterized by comprising a hydraulic tray, rib plates and rib cover plates; the right side surface of the upper part and the right side surface of the lower part of the hydraulic pallet are respectively provided with a pushing mounting groove, the left side surface of each rib plate is provided with a rib plate mounting long groove, the inner sides of the upper end surface and the lower end surface of each rib plate are integrally fixed with a mounting wing plate, the rib plates are reversely buckled and mounted on the hydraulic pallet and are positioned in the pushing mounting grooves, the right side surface of the hydraulic pallet between the upper pushing mounting groove and the lower pushing mounting groove is provided with at least one cylindrical groove, each cylindrical groove is internally provided with a hydraulic cylinder, each hydraulic cylinder is internally provided with a plunger which can axially move along the hydraulic cylinder under the hydraulic drive, the left end surface of each plunger is provided with a hydraulic groove, a plunger jack is mounted between each plunger and the rib plate, the plunger jack between the plunger and the rib plate is provided with a dustproof cap in a sealing sleeve, the outer edge of the dustproof cap is tightly sleeved on the outer wall of the hydraulic cylinder, the outer circumference of each hydraulic cylinder on the right side of the hydraulic pallet is integrally fixed with a mounting ring table, the rib cover plate comprises a cover plate ring table and an annular cover plate, the outer side of the inner ring of the cover plate ring table is integrally fixed with the outer edge surface of the annular cover plate, the upper inner side wall of the cover plate ring table is flush with the upper side wall of the pushing mounting groove, the lower inner side wall of the cover plate ring table is flush with the lower side wall of the pushing mounting groove, the inner edge of the annular cover plate is larger than the outer edge of the rib plate, the rib plate is positioned in the annular cover plate and can extend or retract along the annular cover plate, a telescopic compression spring is fixedly arranged between the mounting wing plate and the annular cover plate, a hydraulic pushing branch penetrating through the upper end and the lower end of the hydraulic tray is arranged in the hydraulic tray, a small through hole communicating the hydraulic pushing branch and the hydraulic groove is arranged on the hydraulic tray corresponding to each plunger, the lower end of the hydraulic pushing branch is internally provided with a throttle valve and a liquid path plug, and a channel which axially penetrates through the liquid path plug and is communicated with the throttle valve and the hydraulic pushing branch is arranged in the liquid path plug.
2. The hydraulic pushing device in the rotating mechanism according to claim 1, wherein the rib plate mounting long groove corresponding to each plunger tip is integrally fixed with a clamping table, the plunger face corresponding to each plunger tip is a spherical groove, the plunger tip face corresponding to the plunger is a spherical surface, the plunger tip face corresponding to the clamping table is a clamping groove matched with the clamping table, the spherical surface of the plunger tip is positioned in the spherical groove of the plunger, and the clamping table is positioned in the clamping groove of the plunger tip.
3. The hydraulic pushing device in a rotating mechanism according to claim 1 or 2, further comprising a hydraulic cylinder cover plate, wherein the hydraulic cylinder cover plate is mounted on the mounting ring table, and bolts are fixedly mounted between the hydraulic cylinder cover plate and the hydraulic tray to press the mounting ring table between the hydraulic cylinder cover plate and the hydraulic tray and press the outer edge of the dust cap between the hydraulic cylinder cover plate and the outer wall of the hydraulic cylinder.
4. The hydraulic pushing device in the rotating mechanism according to claim 1 or 2, characterized in that an installation groove is provided on the peripheral surface of the outer edge of the cover plate ring table, a cover plate locking piece is installed in the installation groove, a locking pin installation groove which is vertically communicated with the installation groove is provided on the right side surface of the cover plate ring table corresponding to the installation groove on the cover plate ring table, and a locking pin which compresses the cover plate locking piece is installed in the locking pin installation groove.
5. The hydraulic pushing device in the rotating mechanism according to claim 3, wherein the outer peripheral surface of the cover plate ring table is provided with a mounting groove, the cover plate locking block is arranged in the mounting groove, the right side surface of the cover plate ring table corresponding to the mounting groove on the cover plate ring table is provided with a locking pin mounting groove vertically communicated with the mounting groove, and the locking pin mounting groove is internally provided with a locking pin for pressing the cover plate locking block.
6. The hydraulic pushing device in the rotating mechanism according to claim 1 or 2, wherein a sealing ring is fixedly arranged between each hydraulic cylinder and the hydraulic tray, and a sealing ring is fixedly arranged between each hydraulic cylinder and the plunger inside the hydraulic cylinder.
7. A hydraulic biasing means in a rotary mechanism according to claim 3 wherein a sealing ring is fixedly mounted between each cylinder and the hydraulic tray, and a sealing ring is fixedly mounted between each cylinder and the plunger within each cylinder.
8. The hydraulic pushing device in the rotating mechanism according to claim 4, wherein a sealing ring is fixedly arranged between each hydraulic cylinder and the hydraulic tray, and a sealing ring is fixedly arranged between each hydraulic cylinder and the plunger inside the hydraulic cylinder.
9. The hydraulic pushing device in the rotating mechanism according to claim 5, wherein a sealing ring is fixedly arranged between each hydraulic cylinder and the hydraulic tray, and a sealing ring is fixedly arranged between each hydraulic cylinder and the plunger inside the hydraulic cylinder.
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 CN109025819A (en) | 2018-12-18 |
| CN109025819B true CN109025819B (en) | 2024-04-26 |
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| 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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| CN (1) | CN109025819B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554793B (en) * | 2019-09-10 | 2023-05-12 | 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 (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 |
Non-Patent Citations (1)
| Title |
|---|
| 静态推靠式旋转导向钻井工具防自锁设计方法;史玉才;孙海芳;岳步江;管志川;王恒;苗在强;;中国石油大学学报(自然科学版)(第05期);86-92 * |
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| CN109025819A (en) | 2018-12-18 |
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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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