CN110821406A - Hydraulic drive directional well drilling device with self-leveling guider - Google Patents
Hydraulic drive directional well drilling device with self-leveling guider Download PDFInfo
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- CN110821406A CN110821406A CN201911179526.XA CN201911179526A CN110821406A CN 110821406 A CN110821406 A CN 110821406A CN 201911179526 A CN201911179526 A CN 201911179526A CN 110821406 A CN110821406 A CN 110821406A
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- Prior art keywords
- supporting sleeve
- drilling
- hydraulic drive
- rod
- connecting shaft
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- 238000005553 drilling Methods 0.000 title claims abstract description 97
- 239000007788 liquid Substances 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/05—Swivel joints
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/20—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a hydraulic drive directional well drilling device with a self-leveling guider, and mainly relates to the technical field of oil field drilling. Including drill bit, hydraulic drive drilling tool, drilling rod, the pivot includes the first connecting axle of being connected with the hydraulic drive drilling tool, the second connecting axle of being connected with the drill bit, be equipped with the first support cover that suits with first connecting axle on the outer wall of the one end that the drilling rod was kept away from to the hydraulic drive drilling tool, the cover is equipped with the second on the second connecting axle and supports the cover, the array is equipped with three cavity on the wall of first support cover, be equipped with the piston in the cavity, the one end that the drilling rod is close to the hydraulic drive drilling tool is equipped with the freely movable joint that a plurality of connected gradually. The invention has the beneficial effects that: the directional drilling machine can complete directional well drilling, can complete the adjustment of the drilling direction on the ground, is convenient to operate, and can reduce the drilling difficulty and the drilling cost.
Description
Technical Field
The invention relates to the technical field of oil field drilling, in particular to a hydraulic drive directional well drilling device with a self-leveling guider.
Background
Because the contact area of an oil well and an oil layer directly influences the recovery rate, in order to improve the recovery rate of the oil well, a directional drilling mode is generally adopted, most drill rods cannot be bent and only can be used for linear drilling, the conventional directional drilling method usually needs multiple drilling and descending operations, after drilling, the direction of the drill rods is manually adjusted, then the drill rods are descended, the adjusting process is complex and low in efficiency, the radius of curvature of drilled boreholes is large, and the drilling difficulty and the drilling cost are increased.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a hydraulic drive directional well drilling device with a self-leveling guider, which can complete directional well drilling, can complete the adjustment of the drilling direction on the ground, is convenient to operate and can reduce the drilling difficulty and the drilling cost.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the hydraulic drive directional well drilling device with the self-leveling guider comprises a drill bit, a hydraulic drive drilling tool and a drill rod, wherein one end of the hydraulic drive drilling tool is provided with a rotating shaft, the other end of the hydraulic drive drilling tool is connected with the drill rod, the drill bit is installed on the rotating shaft, the rotating shaft comprises a first connecting shaft connected with the hydraulic drive drilling tool and a second connecting shaft connected with the drill bit, the second connecting shaft is connected with the first connecting shaft through a universal joint, a first supporting sleeve adaptive to the first connecting shaft is arranged on the outer wall of one end, away from the drill rod, of the hydraulic drive drilling tool, the first connecting shaft is inserted into the first supporting sleeve and is rotationally connected with the first supporting sleeve, a second supporting sleeve is sleeved on the second connecting shaft and is rotationally connected with the second supporting sleeve, a spherical joint is arranged at one end, close to the first supporting sleeve, of the second supporting sleeve, a spherical groove adaptive to the spherical joint is arranged on the first supporting sleeve, the universal joint is located the ball joint, the array is equipped with three cavity on the wall of first support sleeve, be equipped with the piston in the cavity, the one end that the second supported the cover was kept away from to the cavity is equipped with the feed liquor pipe, the one end that the piston is close to the second and supports the cover is equipped with the ejector pin along the length direction of first support sleeve, the one end that the piston was kept away from to the ejector pin stretches out first support sleeve and supports the cover butt with the second, the one end that the drilling rod is close to the hydraulic drive drilling tool is equipped with the freely movable joint that a plurality of connected gradually, freely movable joint includes head rod, second connecting rod, it is articulated through the articulated shaft between head rod and the second connecting rod, the one end that the first connecting rod is close to the second connecting rod is equipped with the locking pin, the one end and the second connecting rod fixed connection.
One end of the hydraulic drive drilling tool, which is far away from the first supporting sleeve, is provided with a positioning laser lamp, and the axis of the positioning laser lamp is collinear with the axis of one of the ejector rods.
One side of the outer wall of the first supporting sleeve is provided with a weighting block, and one radial line of the first supporting sleeve is crossed with the central line of the weighting block and the axial lead of one ejector rod.
And a cutting-off cutter which is matched with the locking pin is arranged on the first connecting rod.
The included angle between the articulated shafts on two adjacent movable joints is 30 degrees.
Compared with the prior art, the invention has the beneficial effects that:
the hydraulic drive drilling tool is used for driving the drill bit to rotate, the drill rod and the rotating shaft can be bent, the drilling direction can be adjusted according to needs, the drilling work of the directional well is completed, high-pressure oil is introduced into the three cavities, the lengths of the ejector rods extending out of the first supporting sleeve can be the same, the three ejector rods are in contact with the second supporting sleeve, the perpendicularity of the rotating shaft can be ensured, the three push rods extend out of the first supporting sleeve in different lengths by introducing different amounts of high-pressure oil into the three cavities, namely, the rotating shaft can be gradually bent according to the drilling requirement, the arc drilling is gradually changed into horizontal drilling or inclined drilling, in the conversion, when the drilling direction is inclined to a certain degree, the locking pin on the movable joint is broken, the drill rod is bent, the directional drilling can be completed, the adjustment of the drilling direction can be completed on the ground, the operation is convenient, and the drilling difficulty and the drilling cost can be reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
figure 2 is a schematic cross-sectional view of a first support sleeve.
The reference numbers in the drawings: 1. a drill bit; 2. hydraulically driving the drilling tool; 21. a first support sleeve; 22. a second support sleeve; 23. a ball joint; 24. a cavity; 25. a piston; 26. a liquid inlet pipe; 27. a top rod; 28. positioning a laser lamp; 29. a weighting block; 3. a drill stem; 4. a rotating shaft; 41. a first connecting shaft; 42. a second connecting shaft; 5. a movable joint; 51. a first connecting rod; 52. a second connecting rod; 53. a locking pin; 54. and (5) cutting off the cutter.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
The invention relates to a hydraulic drive directional well drilling device with a self-leveling guider, which comprises a drill bit 1, a hydraulic drive drilling tool 2 and a drill rod 3, wherein the hydraulic drive drilling tool 2 can adopt the existing hydraulic drive drilling tool. One end of the hydraulic drive drilling tool 2 is provided with a rotating shaft 4, the other end of the hydraulic drive drilling tool is connected with a drill rod 3, the drill bit 1 is installed on the rotating shaft 4, and the outer diameter of the drill bit 1 is larger than that of the hydraulic drive drilling tool 2. The rotating shaft 4 comprises a first connecting shaft 41 connected with the hydraulic drive drilling tool 2 and a second connecting shaft 42 connected with the drill bit 1, the second connecting shaft 42 is connected with the first connecting shaft 41 through a universal joint, and the rotating shaft 4 can turn under stress. The outer wall of the end, far away from the drilling rod 3, of the hydraulic drive drilling tool 2 is welded with a first support sleeve 21 matched with a first connecting shaft 41, and the first connecting shaft 41 is inserted into the first support sleeve 21 and is rotatably connected with the first support sleeve 21 through a bearing. The second connecting shaft 42 is sleeved with a second supporting sleeve 22, and the second connecting shaft 42 is rotatably connected with the second supporting sleeve 22 through a bearing. The one end that second support sleeve 22 is close to first support sleeve 21 is equipped with ball joint 23, adopts the integral type structure between ball joint 23 and the second support sleeve 22, be equipped with the ball groove that suits with ball joint 23 on the first support sleeve 21, ball joint 23 inlays in the ball groove, and ball joint 23 can be in the ball groove multi-angle rotation. The universal joint is located in the spherical joint 23, and when the included angle between the second support sleeve 22 and the first support sleeve 21 is changed, the included angle between the first connecting shaft 41 and the second connecting shaft 42 is also changed. Three cavities 24 are arrayed on the wall of the first support sleeve 21, and for convenience of processing, the cavities 24 are processed from one end of the first support sleeve 21 and then welded on the outer wall of the hydraulic drive drilling tool 2. A piston 25 is arranged in the cavity 24, the piston 25 can slide in the cavity 24 along the axial direction of the first supporting sleeve 21, a liquid inlet pipe 26 is arranged at one end of the cavity 24 far away from the second supporting sleeve 22, a connector corresponding to the liquid inlet pipe 26 is arranged on the outer wall of the first supporting sleeve 21, and high-pressure oil is introduced into the cavity 24 through the liquid inlet pipe 26. One end of the piston 25 close to the second support sleeve 22 is provided with a mandril 27 along the length direction of the first support sleeve 21, and the mandril 27 is parallel to the axial direction of the first support sleeve 21. One end of the ejector rod 27, which is far away from the piston 25, extends out of the first support sleeve 21 and is abutted against the end part of the second support sleeve 22, the length of the ejector rod 27 extending out of the first support sleeve 21 can be adjusted by controlling the amount of high-pressure oil in the cavity 24, equal amount of high-pressure oil is introduced into the three cavities 24, the lengths of the ejector rod 27 extending out of the first support sleeve 21 can be the same, the three ejector rods 27 are simultaneously contacted with the second support sleeve 22, and the verticality of the rotating shaft 4 can be ensured; by introducing different amounts of high-pressure oil into the three cavities 24, the three ejector rods 27 extend out of the first supporting sleeve 21 by different lengths, so that the rotating shaft 4 can be bent gradually according to the drilling requirement, and the arc drilling gradually changes into horizontal drilling or inclined drilling. The section of drilling rod 3 that is close to hydraulic drive drilling tool 2 is equipped with the movable joint 5 that a plurality of connects gradually, movable joint 5 includes first connecting rod 51, second connecting rod 52, it is articulated through the articulated shaft between first connecting rod 51 and the second connecting rod 52, the one end that first connecting rod 51 is close to second connecting rod 52 is equipped with locking pin 53, locking pin 53 keeps away from the one end and the second connecting rod 52 fixed connection of first connecting rod 51, in progressively becoming horizontal drilling or inclined drilling change by the arc drilling, when the drilling direction inclines to a certain degree, the locking pin on movable joint 5 is broken, and drilling rod 3 flexible can accomplish directional well drilling, can accomplish the regulation of drilling direction subaerial, convenient operation, can reduce the drilling degree of difficulty and drilling cost.
Furthermore, in order to facilitate the control of drilling, a positioning laser lamp 28 is arranged at one end of the hydraulic drive drilling tool 2, which is far away from the first support sleeve 21, the axial lead of the positioning laser lamp 28 is collinear with the axial lead of one of the ejector rods 27, the positioning laser lamp 28 emits to the ground, the position of the ejector rod 27 can be determined on the ground by using the laser positioning lamp 28 at the beginning of directional well drilling, the extending length of different ejector rods 27 is determined through calculation, the bending direction and the angle of the rotating shaft 4 can be controlled, and the control of drilling is facilitated.
Furthermore, in order to facilitate alignment in a drilling process, a weight 29 is arranged on one side of the outer wall of the first support sleeve 21, one radial line of the first support sleeve 21 is crossed with the central line of the weight 29 and the axial line of one of the push rods 27, one side of the first support sleeve 21 is unbalanced in the drilling process of a non-vertical well, the first support sleeve 21 rotates under the action of gravity, and the weight 29 rotates to a position right below the first support sleeve 21, so that one of the push rods 27 is located right below the first support sleeve 21, automatic alignment can be performed underground, and control is facilitated.
Furthermore, in order to facilitate quick breaking of the locking pin, the first connecting rod 51 is provided with a cutting knife 54 adapted to the locking pin 53.
Furthermore, in order to ensure the bending amplitude of the drill rod, the included angle between the hinge shafts on two adjacent movable joints 5 is 30 degrees, namely the included angle between the hinge shaft on the first movable joint 5 and the hinge shaft on the second movable joint 5 is 30 degrees, the included angle between the hinge shaft on the first movable joint 5 and the hinge shaft on the third movable joint 5 is 60 degrees, the included angle between the hinge shaft on the first movable joint 5 and the hinge shaft on the fourth movable joint 5 is 90 degrees, and the bending amplitude of the drill rod can be ensured.
Further, in order to facilitate the retraction of the jack rod into the first support sleeve, a spring is sleeved on the jack rod 27, one end of the spring is abutted to the piston 25, and the other end of the spring is abutted to the bottom surface of the cavity 24.
Claims (5)
1. Directional well drilling equipment of hydraulic drive with from finding flat director, including drill bit (1), hydraulic drive drilling tool (2), drilling rod (3), the one end of hydraulic drive drilling tool (2) is equipped with pivot (4), and the other end is connected with drilling rod (3), install on pivot (4) drill bit (1), its characterized in that: the rotary shaft (4) comprises a first connecting shaft (41) connected with the hydraulic drive drilling tool (2) and a second connecting shaft (42) connected with the drill bit (1), the second connecting shaft (42) is connected with the first connecting shaft (41) through a universal joint, a first supporting sleeve (21) matched with the first connecting shaft (41) is arranged on the outer wall of one end, far away from the drill rod (3), of the hydraulic drive drilling tool (2), the first connecting shaft (41) is inserted into the first supporting sleeve (21) and is rotationally connected with the first supporting sleeve (21), a second supporting sleeve (22) is sleeved on the second connecting shaft (42), the second connecting shaft (42) is rotationally connected with the second supporting sleeve (22), a spherical joint (23) is arranged at one end, close to the first supporting sleeve (21), of the second supporting sleeve (22), and a spherical groove matched with the spherical joint (23) is formed in the first supporting sleeve (21), the universal joint is positioned in a spherical joint (23), three cavities (24) are arranged on the wall of a first supporting sleeve (21) in an array mode, a piston (25) is arranged in each cavity (24), a liquid inlet pipe (26) is arranged at one end, far away from a second supporting sleeve (22), of each cavity (24), an ejector rod (27) is arranged at one end, close to the second supporting sleeve (22), of each piston (25) in the length direction of the corresponding first supporting sleeve (21), one end, far away from the corresponding piston (25), of each ejector rod (27) extends out of the corresponding first supporting sleeve (21) and is abutted against the corresponding second supporting sleeve (22), a plurality of movable joints (5) which are connected in sequence are arranged at one end, close to a hydraulic drive drilling tool (2), of each drill rod (3), each movable joint (5) comprises a first connecting rod (51) and a second connecting rod (52), and the first connecting rods (51) and the second connecting rods (52) are hinged through hinge shafts, one end of the first connecting rod (51) close to the second connecting rod (52) is provided with a locking pin (53), and one end of the locking pin (53) far away from the first connecting rod (51) is fixedly connected with the second connecting rod (52).
2. The hydraulically driven directional well drilling device with a self-leveling guide of claim 1, wherein: one end of the hydraulic drive drilling tool (2) far away from the first supporting sleeve (21) is provided with a positioning laser lamp (28), and the axis of the positioning laser lamp (28) is collinear with the axis of one of the push rods (27).
3. The hydraulically driven directional well drilling device with a self-leveling guide of claim 1, wherein: one side of the outer wall of the first supporting sleeve (21) is provided with a weight (29), and one radial line of the first supporting sleeve (21) is crossed with the central line of the weight (29) and the axial line of one ejector rod (27).
4. The hydraulically driven directional well drilling device with a self-leveling guide of claim 1, wherein: the first connecting rod (51) is provided with a cutting knife (54) corresponding to the locking pin (53).
5. The hydraulically driven directional well drilling device with a self-leveling guide of claim 1, wherein: the included angle between the articulated shafts on two adjacent movable joints (5) is 30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911179526.XA CN110821406A (en) | 2019-11-27 | 2019-11-27 | Hydraulic drive directional well drilling device with self-leveling guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911179526.XA CN110821406A (en) | 2019-11-27 | 2019-11-27 | Hydraulic drive directional well drilling device with self-leveling guider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110821406A true CN110821406A (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911179526.XA Pending CN110821406A (en) | 2019-11-27 | 2019-11-27 | Hydraulic drive directional well drilling device with self-leveling guider |
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| CN (1) | CN110821406A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075731A (en) * | 2022-07-26 | 2022-09-20 | 东营千禧龙科工贸有限公司 | Vertical drilling equipment for ore mining |
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| SU616394A1 (en) * | 1973-08-06 | 1978-07-25 | Teterin Yurij M | Removable deflector for directed drilling of holes |
| GB2271791A (en) * | 1992-10-20 | 1994-04-27 | Camco Int | Well orienting tool and/or thruster |
| CN2278757Y (en) * | 1996-12-26 | 1998-04-15 | 中原石油勘探局钻井工艺技术研究院 | Flexible pipe drilling tool for super-short radium horizontal drilling |
| CN1464170A (en) * | 2002-06-14 | 2003-12-31 | 盘锦万维科技发展有限公司 | Oil exploitation super short radius horizontal drilling completion tool and process thereof |
| GB2433526A (en) * | 2002-11-11 | 2007-06-27 | Baker Hughes Inc | Downhole control line wet connection |
| CN107605402A (en) * | 2017-11-06 | 2018-01-19 | 中煤科工集团西安研究院有限公司 | The broken soft seam flexibility internal control spin orientation drilling system of underground coal mine and drilling method |
| CN108035677A (en) * | 2017-11-14 | 2018-05-15 | 中国科学院地质与地球物理研究所 | A kind of hybrid rotary guiding device |
| CN207436979U (en) * | 2017-10-11 | 2018-06-01 | 中国石油天然气集团公司 | For the protective device of protection sleeve pipe window opening tool and casing sidetracking system |
| CN108412425A (en) * | 2018-05-09 | 2018-08-17 | 华南师范大学 | A kind of drill bit guide type New well drilling tool |
| CN109690014A (en) * | 2016-07-14 | 2019-04-26 | 通用电气(Ge)贝克休斯有限责任公司 | Drill tool assembly can be turned to the rotation of borehole decline pit shaft with rotation transfer |
-
2019
- 2019-11-27 CN CN201911179526.XA patent/CN110821406A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB842190A (en) * | 1957-12-18 | 1960-07-20 | Ici Ltd | Improvements in drilling boreholes |
| SU616394A1 (en) * | 1973-08-06 | 1978-07-25 | Teterin Yurij M | Removable deflector for directed drilling of holes |
| GB2271791A (en) * | 1992-10-20 | 1994-04-27 | Camco Int | Well orienting tool and/or thruster |
| CN2278757Y (en) * | 1996-12-26 | 1998-04-15 | 中原石油勘探局钻井工艺技术研究院 | Flexible pipe drilling tool for super-short radium horizontal drilling |
| CN1464170A (en) * | 2002-06-14 | 2003-12-31 | 盘锦万维科技发展有限公司 | Oil exploitation super short radius horizontal drilling completion tool and process thereof |
| GB2433526A (en) * | 2002-11-11 | 2007-06-27 | Baker Hughes Inc | Downhole control line wet connection |
| CN109690014A (en) * | 2016-07-14 | 2019-04-26 | 通用电气(Ge)贝克休斯有限责任公司 | Drill tool assembly can be turned to the rotation of borehole decline pit shaft with rotation transfer |
| CN207436979U (en) * | 2017-10-11 | 2018-06-01 | 中国石油天然气集团公司 | For the protective device of protection sleeve pipe window opening tool and casing sidetracking system |
| CN107605402A (en) * | 2017-11-06 | 2018-01-19 | 中煤科工集团西安研究院有限公司 | The broken soft seam flexibility internal control spin orientation drilling system of underground coal mine and drilling method |
| CN108035677A (en) * | 2017-11-14 | 2018-05-15 | 中国科学院地质与地球物理研究所 | A kind of hybrid rotary guiding device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075731A (en) * | 2022-07-26 | 2022-09-20 | 东营千禧龙科工贸有限公司 | Vertical drilling equipment for ore mining |
| CN115075731B (en) * | 2022-07-26 | 2022-11-15 | 东营千禧龙科工贸有限公司 | Vertical drilling equipment for ore mining |
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Application publication date: 20200221 |