CN111173441A - Rare earth permanent magnet direct-drive drilling machine - Google Patents
Rare earth permanent magnet direct-drive drilling machine Download PDFInfo
- Publication number
- CN111173441A CN111173441A CN202010029476.3A CN202010029476A CN111173441A CN 111173441 A CN111173441 A CN 111173441A CN 202010029476 A CN202010029476 A CN 202010029476A CN 111173441 A CN111173441 A CN 111173441A
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- permanent magnet
- rare earth
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- 238000005553 drilling Methods 0.000 title claims abstract description 77
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 16
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 22
- 230000007704 transition Effects 0.000 claims description 15
- 244000261422 Lysimachia clethroides Species 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 4
- 206010063385 Intellectualisation Diseases 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005406 washing Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 235000004522 Pentaglottis sempervirens Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
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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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0085—Adaptations of electric power generating means for use in boreholes
-
- 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G3/00—Other motors, e.g. gravity or inertia motors
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a rare earth permanent magnet direct-drive drilling machine, which comprises back tongs, wherein an NC (numerical control) protective joint is movably arranged on the inner side of the back tongs; the drilling machine adopts a permanent magnet motor direct driving scheme, has no reduction box, controls the rotating speed of the drilling machine through a frequency converter, and has the advantages of low noise, compact structure, relatively simple control algorithm and the like; the drilling machine can perform vertical drilling, has higher efficiency than single drilling, has higher lifting capacity, can open a pump at any time to sweep holes, and is very convenient to process drilling accidents; the drilling machine winch can realize automatic drill feeding, hovering and friction-free braking, and replaces the working condition that the brake belt, the hub and the disc brake working pliers of the traditional drilling machine control the drilling and the drill feeding speed by friction force; the intelligent driller control console of the drilling machine has the functions of real-time display of drilling machine operation and drilling parameters, operation monitoring and display of an electro-hydraulic system, fault display and alarm, and improves the automation, intellectualization and integration level in the drilling process.
Description
Technical Field
The invention relates to the field of direct-drive drilling, in particular to a rare earth permanent magnet direct-drive drilling machine.
Background
At present, deep well drilling machines in China generally have three problems: firstly, the capability is weak, secondly, the function is single, and thirdly, the structure is complex;
with the increase of the tasks of developing deep wells, directional wells and butt wells by petroleum, natural gas, shale gas, coal bed gas, geothermal heat and various mineral products, a drilling machine which has high efficiency, multiple functions, large capacity, simple structure and convenient use and maintenance is urgently needed to solve the drilling problems of deep holes and complex stratums;
the existing vertical shaft type drilling machine has short stroke, low energy efficiency and poor reliability of a hydraulic drilling machine, and a drilling machine type with long stroke, high energy efficiency and good reliability needs to be developed; the existing top drive drilling machine has the disadvantages of huge reduction mechanism, large noise and large vibration, and the matching variable frequency control system is complex, so that the structure needs to be simplified and the control system needs to be simplified; deep hole drilling accidents are easy to occur, drill jamming and drill blocking are easy, the construction cost is greatly influenced, and the construction efficiency of a drilling machine and the accident handling capacity need to be improved.
Disclosure of Invention
The invention provides a method for solving the problems of low energy efficiency, poor reliability, high noise, high vibration, complex structural system, easy accident occurrence, easy drill jamming and easy drill blocking.
The invention is realized by the back-up tong, an NC protection joint is movably arranged on the inner side of the back-up tong, the upper end of the NC protection joint is fixedly connected with a first torque-increasing flange, one end of the first torque-increasing flange, which is far away from the NC protection joint, is fixedly connected with a manual inner blowout preventer, one end of the manual inner blowout preventer, which is far away from the first torque-increasing flange, is fixedly connected with a second torque-increasing flange, the upper end of the second torque-increasing flange is movably connected with a gyrator, the upper end of the gyrator is movably connected with a power system, one side of the gyrator is fixedly connected with a transition frame, the lower end of the transition frame is movably connected with a lifting ring tilting mechanism, the lower end of the lifting ring tilting mechanism is movably connected with a fixing buckle, the lifting clamp is movably connected with the lifting clamp through, transition frame is kept away from rings tilt mechanism one side and is had a coaster system through round pin axle fit connecting pin swing joint, driving system one side and coaster system fixed connection, driving system upper end axle extreme point swing joint has the washing pipe, washing pipe upper end fixedly connected with gooseneck pipe assembly, driving system upper end is kept away from washing pipe both sides fixed mounting and is had the bail, the driving system both ends and connector swing joint are kept away from to the bail, the connector both ends and balanced system swing joint, two swing joint in the balanced system keeps away from the connector both ends all with the bail axle.
Preferably, the power system is connected with the upper end of the gyrator in a matched mode through a gear.
Preferably, the bearings are movably mounted at two ends inside the connector, and the connector is movably connected with the balance system through the bearings.
Preferably, the upper end of the elevator is fixedly connected with the outer side of the power system through a buckle, the two sides of the power system are fixedly connected with movable arms, and the lower ends of the movable arms are movably connected with the back-up tong through a lock catch.
Preferably, both sides of the lower end of the transition frame are movably connected with lifting ring tilting mechanisms, the lower ends of the lifting ring tilting mechanisms are movably connected with fixing buckles, the lifting ring tilting mechanisms are movably connected with lifting clamps through the fixing buckles, and the lifting clamps are fixedly connected with the gyrator.
Preferably, the power system is a permanent magnet variable frequency motor.
Compared with the prior art, the invention has the beneficial effects that:
1. the equipment adopts a direct-drive transmission mode, a clutch, a gearbox, a reduction gearbox and a transfer case are not required to be installed in the equipment, gear-free transmission is really realized, and any mechanical fault is almost impossible, so that the fault rate is reduced, the manufacturing cost is reduced, and the maintenance cost is reduced; the brake belt, the hub and the disc brake are not required to be installed, friction-free braking and hovering with load are realized, the hovering weight is the same as the lifting capacity, and the sensitivity of the hovering working condition is high; the power generation function of the permanent magnet motor is utilized to control the lowering speed of the drilling tool, the potential energy lowered by the drilling tool is converted into electric energy, and the generated electric energy can be fed back to the power grid. The working pliers are not frequently used, and have the function of auxiliary braking;
2. the drilling machine mode of the equipment is a top drive type, and the equipment has the characteristics of long stroke, high efficiency, high reliability and the like; the drilling machine adopts a permanent magnet motor direct driving scheme, has no reduction box, controls the rotating speed of the drilling machine through a frequency converter, and has the advantages of low noise, compact structure, relatively simple control algorithm and the like; the drilling machine can perform vertical drilling, has higher efficiency than single drilling, has higher lifting capacity, can open a pump at any time to sweep holes, and is very convenient to process drilling accidents; the drilling machine winch can realize automatic drill feeding, hovering and friction-free braking, and replaces the working condition that the brake belt, the hub and the disc brake working pliers of the traditional drilling machine control the drilling and the drill feeding speed by friction force; the intelligent driller control console of the drilling machine has the functions of real-time display of drilling machine operation and drilling parameters, operation monitoring and display of an electro-hydraulic system, fault display and alarm, improves the automation, intellectualization and integration level in the drilling process, realizes the leap-type development of deep hole equipment, and improves the competitiveness of the drilling machine in domestic and foreign markets.
Drawings
FIG. 1 is a front view of a rare earth permanent magnet direct drive drilling machine of the present invention;
FIG. 2 is a rear view of a rare earth permanent magnet direct drive drilling machine of the present invention;
FIG. 3 is a side view of a rare earth permanent magnet direct drive drilling machine of the present invention;
FIG. 4 is a front sectional view of a rare earth permanent magnet direct drive drilling machine of the present invention;
FIG. 5 is a bird's eye view of a rare earth permanent magnet direct drive drilling machine of the present invention;
FIG. 6 is a top view of a rare earth permanent magnet direct drive drilling machine of the present invention;
in the figure: 1. back-up tongs; 2. a first torque-increasing flange; 3. a second torque-increasing flange; 4. a power system; 5. washing the pipe; 6. lifting a ring; 7. a gooseneck assembly; 8. a balancing system; 9. a pulley assembly; 10. a transition frame; 11. a pin shaft; 12. a pin; 13. a lifting ring tilting mechanism; 14. a manual internal blowout preventer; 15. NC50 protection joints; 16. an elevator; 17. a fixing buckle; 18. locking; 19. a gyrator; 20. a hydraulic oil tank; 21. a connector; 22. a movable arm.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-4, a rare earth permanent magnet direct-drive drilling machine comprises a back-up tong 1, an NC50 protection joint 15 is movably mounted on the inner side of the back-up tong 1, a first torque-increasing flange 2 is fixedly connected to the upper end of the NC50 protection joint 15, a manual inner blowout preventer 14 is fixedly connected to one end of the first torque-increasing flange 2, which is far away from the NC50 protection joint 15, a second torque-increasing flange 3 is fixedly connected to one end of the manual inner blowout preventer 14, which is far away from the first torque-increasing flange 2, a gyrator 19 is movably connected to the upper end of the second torque-increasing flange 3, a power system 4 is movably connected to the upper end of the gyrator 19, a transition frame 10 is fixedly connected to one side of the gyrator 19, a hoisting ring tilting mechanism 13 is movably connected to the lower end of the transition frame 10, a fixing buckle 17 is movably connected to the lower end of the, transition frame 10 is kept away from rings tilt mechanism 13 one side movable mounting and is had round pin axle 11, round pin axle 11 cooperation is connected with round pin 12, transition frame 10 is kept away from rings tilt mechanism 13 one side and is had coaster assembly 9 through round pin axle 11 cooperation connecting pin 12 movable mounting, driving system 4 one side and coaster assembly 9 fixed connection, driving system 4 upper end axle head swing joint has wash pipe 5, wash pipe 5 upper end fixedly connected with gooseneck assembly 7, driving system 4 upper end is kept away from wash pipe 5 both sides fixed mounting and is had bail 6, bail 6 is kept away from driving system 4 both ends and connector 21 swing joint, connector 21 both ends and balanced system 8 swing joint, two balanced system 8 keeps away from connector 21 both ends and all with 6 epaxial swing joints of bail.
In the invention, the power system 4 is movably connected with the upper end of the gyrator 19, and when a drill is held, the drill can be braked by a brake mechanism and slowly released, so that the drill is prevented from quickly rebounding to prevent the drill from being damaged or tripped;
bearings are movably mounted at two ends inside the connector 21, and the connector 21 is movably connected with the balance system 8 through the bearings, so that the effect of balancing equipment is achieved;
the upper end of the elevator 16 is fixedly connected with the outer side of the power system 4 through a buckle, the two sides of the power system 4 are fixedly connected with movable arms 20, the lower ends of the movable arms 20 are movably connected with the back-up tong 1 through a lock catch 18, a drilling machine can drill in a vertical mode, the drilling machine is much higher in drilling efficiency than a single drilling machine, the lifting capacity is large, a pump is started to sweep holes at any time, and drilling accidents are very convenient to process;
the two sides of the lower end of the transition frame 10 are movably connected with lifting ring inclining mechanisms 13, the lower ends of the two lifting ring inclining mechanisms 13 are movably connected with fixing buckles 17, the two lifting ring inclining mechanisms 13 are movably connected with lifting clamps 16 through the fixing buckles 17, the two lifting clamps 16 are fixedly connected with a gyrator 19, and the directional drilling and core drilling efficiency is higher;
the power system 4 is a permanent magnet variable frequency motor, and the efficiency and the power factor of an asynchronous motor are directly related to the load factor; when the load factor is low, heat is generated. Because of the asynchronous motor, the phenomenon of lost rotation exists; the running efficiency and the power factor of the permanent magnet motor are almost independent of the load rate of the motor; can output 2 times of rated torque in a short time, and is suitable for top drive punching and buckling. No exciting current is used, and 25% of electricity is saved; the synchronous motor is accurate in bit feeding, can accurately feed the bit to 0.1mm/S, is suitable for the power of a winch, and can save a winch bit feeding motor and a transmission system by lifting and lowering a set of motor system; and the drilling speed is controlled by utilizing the power generation function of the permanent magnet motor.
The working principle of the invention is as follows: the equipment is moved to the site, after the equipment is erected, an operator centrally controls the operation of each part of an electric transmission control system, a detection system, a hydraulic system and a mechanical system of a drilling machine in a driller room through a PLC and various control programs to realize the intelligent and automatic control of the drilling machine, the equipment feeds a back-up wrench 1 downwards along a special guide rail to complete the drilling of a drill rod in a rotating way, circulates slurry, connects a vertical root, mechanically unloads a buckle, and drills a pump sweeping hole under the condition, and the like, the permanent magnet motor directly drives a top drive to work without gear transmission, the circulating liquid passes through a motor rotor hollow shaft, two ends of the hollow shaft are respectively connected with a water faucet and the drill rod, a drill rod joint transmits torque, and the damage of a chuck to the drill rod is avoided; when the top drive is used for drilling and blocking under the condition of complex stratum, a back clamp 1 can be used for quickly connecting a drill string, and a pump is started to circulate for a long stroke (20m) to rotate and sweep a hole to lift and drill, so that the accidents of drilling and burying are reduced; when the drill rod rotates to the bottom, the back-up tong 1 locks the lower end drill rod, the connection between the back-up tong and the drill rod is opened through the reverse rotation of the power system 4, meanwhile, in order to improve the automation level of drilling, reduce the drilling auxiliary time and realize the assistance of the back-up tong 1 in tripping, a balance system 8 is designed to protect a screw thread of the drill rod, and when the drill rod is extracted, the balance of the drill rod is protected; the permanent magnet motor directly drives the winch to work, the double-broken-line roller winch is adopted in the geological drilling machine, stepless speed regulation can be realized under the condition of drilling, the braking and feeding permanent magnet motor can be used for generating power to perform energy consumption braking when the geological drilling machine is drilled, the safety tongs can be used for braking when an emergency occurs, and the variable frequency control system and the drilling parameter acquisition feedback system control the drilling pressure and the drilling speed.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a tombarthite permanent magnetism directly drives rig, includes back-up tong (1), its characterized in that: an NC50 protection joint (15) is movably mounted on the inner side of the back-up tong (1), a first torque-increasing flange (2) is fixedly connected to the upper end of the NC50 protection joint (15), one end, far away from the NC50 protection joint (15), of the first torque-increasing flange (2) is fixedly connected with a manual inner blowout preventer (14), one end, far away from the first torque-increasing flange (2), of the manual inner blowout preventer (14) is fixedly connected with a second torque-increasing flange (3), the upper end of the second torque-increasing flange (3) is movably connected with a gyrator (19), the upper end of the gyrator (19) is movably connected with a power system (4), a transition frame (10) is fixedly connected to one side of the gyrator (19), the lower end of the transition frame (10) is movably connected with a lifting ring tilting mechanism (13), the lower end of the lifting ring tilting mechanism (13) is movably connected with a fixing buckle (17), and a lifting clamp (16) is, transition frame (10) are kept away from rings tilt mechanism (13) one side movable mounting and are had round pin axle (11), round pin axle (11) cooperation is connected with round pin (12), transition frame (10) are kept away from rings tilt mechanism (13) one side and are had coaster assembly (9) through round pin axle (11) cooperation connecting pin (12) movable mounting, driving system (4) one side and coaster assembly (9) fixed connection, driving system (4) upper end axle head swing joint has towards pipe (5), towards pipe (5) upper end fixedly connected with gooseneck pipe assembly (7), driving system (4) upper end is kept away from towards pipe (5) both sides fixed mounting and is carried ring (6), driving system (4) both ends and connector (21) swing joint are kept away from in carrying ring (6), connector (21) both ends and balanced system (8) swing joint, two balanced system (8) keep away from connector (21) both ends all with carry ring (6) in the axle swing joint.
2. The rare earth permanent magnet direct-drive drilling machine according to claim 1, characterized in that: the power system (4) is connected with the upper end of the gyrator (19) in a matched mode through a gear.
3. The rare earth permanent magnet direct-drive drilling machine according to claim 1, characterized in that: the utility model discloses a balance system, including connector (21), the equal movable mounting in connector (21) inside both ends has the bearing, connector (21) pass through bearing and balance system (8) swing joint.
4. The rare earth permanent magnet direct-drive drilling machine according to claim 1, characterized in that: the upper end of the elevator (16) is fixedly connected with the outer side of the power system (4) through a buckle, movable arms (20) are fixedly connected to the two sides of the power system (4), and the lower ends of the movable arms (20) are movably connected with the back-up tong (1) through a lock catch (18).
5. The rare earth permanent magnet direct-drive drilling machine according to claim 1, characterized in that: transition frame (10) lower extreme both sides all swing joint have rings tilt mechanism (13), two rings tilt mechanism (13) lower extreme swing joint has fixed knot (17), two rings tilt mechanism (13) have elevator (16) through fixed knot (17) swing joint, two elevator (16) all with gyrator (19) fixed connection.
6. The rare earth permanent magnet direct-drive drilling machine according to claim 1, characterized in that: the power system (4) is a permanent magnet variable frequency motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010029476.3A CN111173441A (en) | 2020-01-13 | 2020-01-13 | Rare earth permanent magnet direct-drive drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010029476.3A CN111173441A (en) | 2020-01-13 | 2020-01-13 | Rare earth permanent magnet direct-drive drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111173441A true CN111173441A (en) | 2020-05-19 |
Family
ID=70646672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010029476.3A Pending CN111173441A (en) | 2020-01-13 | 2020-01-13 | Rare earth permanent magnet direct-drive drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111173441A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293939A (en) * | 2021-12-29 | 2022-04-08 | 河北永明地质工程机械有限公司 | Core drilling machine |
| CN115853418A (en) * | 2023-02-24 | 2023-03-28 | 山东省煤田地质局第三勘探队 | Geological survey well drilling hydraulic pressure top drive arrangement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001021929A1 (en) * | 1999-09-21 | 2001-03-29 | Well Engineering Partners B.V. | Method and device for moving a tube in a borehole in the ground |
| CN2634096Y (en) * | 2003-06-15 | 2004-08-18 | 宝鸡石油机械有限责任公司 | Twist increasing device for drill joint |
| EP1961913A1 (en) * | 2004-06-07 | 2008-08-27 | National Oilwell Varco, L.P. | Top drive |
| CN102943617A (en) * | 2012-10-30 | 2013-02-27 | 北京探矿工程研究所 | Deep hole geological exploration drilling machine |
| CN104389514A (en) * | 2014-11-15 | 2015-03-04 | 吉林大学 | High-speed large-torque full-hydraulic top drive well-drilling device |
-
2020
- 2020-01-13 CN CN202010029476.3A patent/CN111173441A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001021929A1 (en) * | 1999-09-21 | 2001-03-29 | Well Engineering Partners B.V. | Method and device for moving a tube in a borehole in the ground |
| CN2634096Y (en) * | 2003-06-15 | 2004-08-18 | 宝鸡石油机械有限责任公司 | Twist increasing device for drill joint |
| EP1961913A1 (en) * | 2004-06-07 | 2008-08-27 | National Oilwell Varco, L.P. | Top drive |
| CN102943617A (en) * | 2012-10-30 | 2013-02-27 | 北京探矿工程研究所 | Deep hole geological exploration drilling machine |
| CN104389514A (en) * | 2014-11-15 | 2015-03-04 | 吉林大学 | High-speed large-torque full-hydraulic top drive well-drilling device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293939A (en) * | 2021-12-29 | 2022-04-08 | 河北永明地质工程机械有限公司 | Core drilling machine |
| CN114293939B (en) * | 2021-12-29 | 2023-09-12 | 河北永明地质工程机械有限公司 | Core drilling machine |
| CN115853418A (en) * | 2023-02-24 | 2023-03-28 | 山东省煤田地质局第三勘探队 | Geological survey well drilling hydraulic pressure top drive arrangement |
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Application publication date: 20200519 |
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