CN110344756A - Electronic underground deep penetration drill - Google Patents
Electronic underground deep penetration drill Download PDFInfo
- Publication number
- CN110344756A CN110344756A CN201910571180.1A CN201910571180A CN110344756A CN 110344756 A CN110344756 A CN 110344756A CN 201910571180 A CN201910571180 A CN 201910571180A CN 110344756 A CN110344756 A CN 110344756A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- universal joint
- motor
- oil pipe
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000035515 penetration Effects 0.000 title claims abstract description 17
- 238000005553 drilling Methods 0.000 claims abstract description 45
- 239000002828 fuel tank Substances 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 239000003208 petroleum Substances 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 40
- 239000003721 gunpowder Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010729 system oil Substances 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
- 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
- E21B19/086—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 with a fluid-actuated cylinder
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/04—Electric drives
-
- 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
Landscapes
- 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 belongs to industrial gas oil completion technique fields, more particularly, to a kind of electronic underground deep penetration drill, it is characterized by comprising ground systems, cable, hydraulic system, drilling equipment, hydraulic system includes fuel tank, motor I and hydraulic pump, shaft coupling, hydraulic tube, overflow valve, solenoid directional control valve, the oil pipe A and oil pipe B being connected respectively with solenoid directional control valve, drilling equipment includes outer cylinder, diverter, motor II, piston rod, hydraulic cylinder, the pressure cap being connect with this hydraulic cylinder bottom thread, " L " type guide rail in diverter is set, universal joint drilling rod in this guide rail is set, the drill bit being connected with the lower end of this universal joint drilling rod.The present invention passes through cable to underground power supply used, motor output torque, hydraulic formation thrust from ground, and driving drill bit to pierce oil reservoir by flexible drive mechanism, completion pit shaft is connected to oil reservoir, to exploit the petroleum resources in oil-yielding stratum, drilling depth is long, and 2m~3m can be reached deeply by wearing.
Description
Technical field
The invention belongs to industrial gas oil completion technique fields, drill more particularly, to a kind of electronic underground deep penetration
Device.
Background technique
It is surveyed in development process in petroleum gas, the last one link is to be connected to oil reservoir with pit shaft, could will be in oil reservoir
Petroleum resources it is mined, at present frequently with pit shaft to be connected to measure with oil reservoir be gunpowder perforation, but perforating modes are generally deposited
In the deficiency of three aspects: 1. perforating depths are short, and currently used 51/2 " and with cased hole, limited by borehole size, it is general
All over 89 perforating bullets are used, deep only 0.5m~0.7m is worn, efficient current by pass is hardly formed；2. perforation can cause oil reservoir secondary
Pollution forms compacted fill ground, 70% or more compacting zone permeability decrease；3. country manages gunpowder class product stringent at present, examine
It criticizes and allotment process is tediously long, conventional gunpowder perforating technology is restricted.These problems affect the exploitation and yield of oil/gas well.
Summary of the invention
The purpose of the present invention is to propose to a kind of electronic underground deep penetration drills, and its object is to solve current gunpowder perforation
Perforating depth existing for mode is short, there are compacted fill ground, need the problems such as gunpowder driving.
The purpose of the present invention is what is realized by following technical proposals:
Electronic underground deep penetration drill of the invention, it is characterised in that including ground system, be connected with this ground system
The cable connect, the hydraulic system being connected with this cable, the drilling equipment being connected with this hydraulic system,
The hydraulic system includes braced frame, and fuel tank, motor I and hydraulic pump in this braced frame is arranged in, even
The shaft coupling for connecing motor I output shaft and hydraulic pump input shaft, connects the hydraulic tube of the fuel tank and hydraulic pump, with the liquid
The overflow valve that the oil outlet of press pump is connected, the solenoid directional control valve being connected with this overflow valve, respectively with this solenoid directional control valve phase
The oil pipe A and oil pipe B of connection, this oil pipe A and oil pipe B are connected with the drilling equipment,
The drilling equipment includes outer cylinder, the diverter connecting with this outer cylinder lower thread, is arranged on the outer cylinder
Portion and the locating flange by positioning pin connection, the fixed motor II on this locating flange, the output shaft flower with this motor II
The piston rod of key connection is fixed on the hydraulic cylinder of the outer tube inner wall, the pressure cap connecting with this hydraulic cylinder bottom thread, if
" L " type guide rail in the diverter is set, the universal joint drilling rod in " L " type guide rail herein is set, is bored with this universal joint
The upper end of the drill bit that the lower end of bar is connected, the universal joint drilling rod is connected with the piston rod,
The piston rod is arranged in the cavity that the hydraulic cylinder and pressure cap are formed and forms upper sap cavity and lower liquid
Chamber, the hydraulic cylinder are equipped with two groups of runners and are separately connected oil described in the oil pipe A to the upper sap cavity, connection
Pipe B is to the lower sap cavity.
The hydraulic tube is metal tube.
The hydraulic cylinder is equipped with one group of seal groove, and sealing ring is equipped in this group of seal groove.
The pressure cap is equipped with inside and outside two sealed grooves, and sealing ring is equipped in this inside and outside two sealed groove.
The universal joint drilling rod is " crosshead shoe " type universal joint drilling rod.
The drill bit is impregnated diamond particles structure.
Advantages of the present invention:
(1) electronic underground deep penetration drill of the invention, from ground by cable to underground power supply used, downhole instrument is included
Motor and hydraulic system, motor output torque, hydraulic formation thrust, and drive drill bit to pierce oil reservoir by flexible drive mechanism,
Completion pit shaft is connected to oil reservoir, and to exploit the petroleum resources in oil-yielding stratum, drilling depth is long, and 2m~3m can be reached deeply by wearing；
(2) electronic underground deep penetration drill of the invention drills oil reservoir using rotary cutting broken rock mode, forms cleaning
Current by pass, no compacted fill ground, drilling depth can reach 2m~3m can effectively solve current gunpowder and penetrates without dangerous material such as explosives
The deficiency of hole mode；
(3) electronic underground deep penetration drill of the invention does not need the explosions such as gunpowder danger using power transmission and driving
Dangerous product, it is safe and environment-friendly, pollution-free.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of present hydraulic system.
Fig. 3 is the schematic diagram of present hydraulic system.
Fig. 4 is the structural schematic diagram of drilling equipment of the present invention.
Fig. 5 is spline connection schematic diagram of the present invention.
Fig. 6 is locating flange of the present invention and the fixed schematic diagram of motor.
Specific embodiment
A specific embodiment of the invention is further illustrated with reference to the accompanying drawing.
As shown in figures 1 to 6, electronic underground deep penetration drill of the invention, it is characterised in that including ground system 1, with this
The cable 2 that ground system 1 is connected, the hydraulic system 3 being connected with this cable 2, the drilling dress being connected with this hydraulic system 3
Set 4,
The hydraulic system 3 includes braced frame 36, and fuel tank 30, I 32 and of motor in this braced frame 36 is arranged in
Hydraulic pump 34 connects the shaft coupling 33 of I 32 output shaft of motor and 34 input shaft of hydraulic pump, connects the fuel tank 30 and hydraulic
The hydraulic tube 31 of pump 34, the overflow valve 35 being connected with the oil outlet of the hydraulic pump 34, the electricity being connected with this overflow valve 35
Magnetic reversal valve 37, the oil pipe A and oil pipe B being connected respectively with this solenoid directional control valve 37, this oil pipe A and oil pipe B and the brill
Aperture apparatus 4 is connected,
Motor I 32 is being driven by electricity lower generation torque and revolving speed, provides power for instrument, braced frame 36 installs liquid above
Press pump 34, overflow valve 35, solenoid directional control valve 37, shaft coupling 33 both ends are separately connected the output shaft and hydraulic pump 34 of motor I 32
Input shaft, and allow the two presence not coaxial, hydraulic tube 31 connects hydraulic pump 34 and fuel tank 30, hydraulic tube 31 are hollow metals
Pipe or other types pipeline, middle flow hydraulic oil, overflow valve 35 are the constant pressure protection elements of hydraulic system, it is ensured that system oil pressure
It can stablize in a setting value, solenoid directional control valve 37 has " II ", three kinds of " X ", " O " type functions, by switching solenoid directional control valve
37 are able to achieve three kinds of different oil pressure output states.When solenoid directional control valve 37 is located at " II " function, drilling equipment is in drilling and makees
Industry state when being located at " X " function, is in reset state, when being located at " O " function, remains static.
The drilling equipment 4 includes outer cylinder 46, and the diverter 48 connecting with this 46 lower thread of outer cylinder is arranged described
46 top of outer cylinder and the locating flange 41 connected by positioning pin 40, the fixed motor II 42 on this locating flange 41, with this
The piston rod 43 of the output shaft spline connection of motor II 42, is fixed on the hydraulic cylinder 44 of 46 inner wall of outer cylinder, hydraulic with this
" L " type guide rail in the diverter 48 is arranged in the pressure cap 45 of 44 bottom thread of cylinder barrel connection, and " L " type draws herein for setting
Universal joint drilling rod 47 in guide rail, the drill bit 49 being connected with the lower end of this universal joint drilling rod 47, the universal joint drilling rod 47
Upper end be connected with the piston rod 43,
The piston rod 43 is arranged in the cavity that the hydraulic cylinder 44 and pressure cap 45 are formed and forms upper sap cavity
5 and lower sap cavity 6, the hydraulic cylinder 44 be equipped with two groups of runners be separately connected the oil pipe A to the upper sap cavity 5,
The oil pipe B is connected to the lower sap cavity 6.
Motor II 42 is fixed on outer cylinder 46 by locating flange 41, the input terminal of motor II 42 output end and piston rod 43
For spline connection, length of action is greater than the moving distance of piston rod 43, and hydraulic cylinder 44 is equipped with two groups of runners and is separately connected liquid
The supreme sap cavity 5 of pressure pipe A and B and lower sap cavity 6, hydraulic cylinder 44 is equipped with one group of seal groove, to install sealing ring, piston rod 43
Upper end is spline structure, and centre forms piston, and moving sealing element is equipped on piston, and pressure cap 45 is equipped with one group of screw thread, to
Connection liquid cylinder pressure cylinder 44, and inside and outside two sealed grooves are equipped with, sealing ring, hydraulic cylinder 44 and piston rod 43 and pressure are installed respectively
Cap 45 forms a two-way hydraulic cylinder system, when upper 5 pressure of sap cavity is big, piston rod 43 is pushed to move down, sap cavity 6 is pressed instantly
When power is big, piston rod 43 is pushed to move up；Outer cylinder 46 is the shell of instrument, and lower end is equipped with one group of screw thread, is turned to connect
Device 48 sets " L-type " guide rail in diverter 48, for guiding universal joint drilling rod 47 flexible to convert from plumbness to horizontal
The semi-rigid drilling pipe of " crosshead shoe " universal joint or other forms can be used in state, universal joint drilling rod 47 flexible, can be in deep camber
Radius transmits torque in turning to, and drill bit 49 is terminated under universal joint drilling rod 47 flexible, and drill bit 49 uses impregnated diamond particles
Structure can drill oil reservoir.When the operation output torque of motor II 42 and revolving speed, rotated by spline connecting band piston bar 43, into
And universal joint drilling rod 47 and drill bit 49 flexible is driven to rotate, torque is provided for oil reservoir drilling, oil pressure is defeated from hydraulic system 3 at this time
Out, it is assumed that solenoid directional control valve 37 is in " II " function at this time, and oil pressure enters oil pipe A, enters upper sap cavity 5 by runner, pushes and live
Stopper rod 43 moves down, and bit pressure is applied on drill bit 49, and the rotary cutting broken rock under bit pressure and torque effect of drill bit 49 completes drilling
Operation, then solenoid directional control valve 37 switches to " X " function, and oil pressure enters oil pipe " B ", and then enters lower sap cavity 6 by runner, pushes away
Piston bar 43 moves up, and universal joint drilling rod 47 flexible and drill bit 49 are recovered in diverter 48, and solenoid directional control valve 37 switches
To Median Function " O ", piston rod 43 is locked, motor 32 stops, and motor 42 stops, and completes bore operation.
The hydraulic tube 31 is metal tube.
The hydraulic cylinder 44 is equipped with one group of seal groove, and sealing ring is equipped in this group of seal groove.
The pressure cap 45 is equipped with inside and outside two sealed grooves, and sealing is equipped in this inside and outside two sealed groove
Circle.
The universal joint drilling rod 47 is " crosshead shoe " type universal joint drilling rod.
The drill bit 49 is impregnated diamond particles structure.
Electronic underground deep penetration drill of the invention, ground system pass through logging cable 2 to motor I 32 and motor II 42
Power supply, II 42 output torque of motor and revolving speed are rotated by spline connecting band piston bar 43, and then drive universal joint drilling rod 47
It is rotated with drill bit 49, I 32 output torque of motor and revolving speed are transmitted to hydraulic pump 34 through shaft coupling 33 at this time, and hydraulic pump 34 forms oil
Pressure, makes its stabilization by 35 pressure regulation of overflow valve, subsequently into solenoid directional control valve 37, solenoid directional control valve 37 switches to " II " machine at this time
Can, hydraulic oil enters upper sap cavity by the runner on oil pipe A and hydraulic cylinder 44, pushes piston rod 43 to move down, bit pressure is applied
Onto drill bit 49, drill bit 49 rotates broken rock under bit pressure and torque effect, implements oil reservoir drilling, after completing bore operation, electromagnetism
Reversal valve 37 switches to " X " function, and oil pressure enters oil pipe B, and then enters lower sap cavity by the runner on hydraulic cylinder 44, pushes
Piston rod 43 moves up, and universal joint drilling rod 47 flexible and drill bit 49 is recovered in diverter 48, then solenoid directional control valve 37 is cut
Median Function " O " is shifted to, piston rod 43 is locked, prevents its movement, then motor I 32 is out of service, and motor II 42 stops fortune
Row so far completes an oil reservoir bore operation.
The present invention from ground by cable 2 to underground power supply used, downhole instrument is from translator and hydraulic system 3, motor output
Torque, hydraulic formation thrust, and drive drill bit 49 to pierce oil reservoir by flexible drive mechanism, completion pit shaft is connected to oil reservoir,
To exploit the petroleum resources in oil-yielding stratum, drilling depth is long, and 2m~3m can be reached deeply by wearing；It is drilled using rotary cutting broken rock mode
Oil reservoir forms cleaning current by pass, and no compacted fill ground, drilling depth can reach 2m~3m can effectively solve without dangerous material such as explosives
The deficiency of certainly current gunpowder perforating modes；Using power transmission and driving, the Explosive hazardous materials such as gunpowder are not needed, safe and environment-friendly,
It is pollution-free.
Claims (6)
1. a kind of electronic underground deep penetration drill, it is characterised in that including ground system, the electricity being connected with this ground system
Cable, the hydraulic system being connected with this cable, the drilling equipment being connected with this hydraulic system,
The hydraulic system includes braced frame, and fuel tank, motor I and hydraulic pump in this braced frame is arranged in, and connects institute
The shaft coupling for stating motor I output shaft and hydraulic pump input shaft connects the hydraulic tube of the fuel tank and hydraulic pump, with the hydraulic pump
The overflow valve that is connected of oil outlet, the solenoid directional control valve being connected with this overflow valve is connected with this solenoid directional control valve respectively
Oil pipe A and oil pipe B, this oil pipe A and oil pipe B be connected with the drilling equipment,
The drilling equipment includes outer cylinder, the diverter connecting with this outer cylinder lower thread, setting on the outer cylinder top and
By positioning the locating flange of pin connection, the fixed motor II on this locating flange connects with the output shaft spline of this motor II
The piston rod connect is fixed on the hydraulic cylinder of the outer tube inner wall, the pressure cap connecting with this hydraulic cylinder bottom thread, and setting exists
The universal joint drilling rod in " L " type guide rail herein is arranged, with this universal joint drilling rod in " L " type guide rail in the diverter
The upper end of the drill bit that lower end is connected, the universal joint drilling rod is connected with the piston rod,
The piston rod is arranged in the cavity that the hydraulic cylinder and pressure cap are formed and is formed upper sap cavity and lower sap cavity,
The hydraulic cylinder is equipped with two groups of runners and is separately connected oil pipe B described in the oil pipe A to the upper sap cavity, connection
To the lower sap cavity.
2. electronic underground deep penetration drill according to claim 1, it is characterised in that the hydraulic tube is metal tube.
3. electronic underground deep penetration drill according to claim 1, it is characterised in that the hydraulic cylinder is equipped with
One group of seal groove is equipped with sealing ring in this group of seal groove.
4. electronic underground deep penetration drill according to claim 1, it is characterised in that the pressure cap is equipped with inside and outside
Two sealed grooves are equipped with sealing ring in this inside and outside two sealed groove.
5. electronic underground deep penetration drill according to claim 1, it is characterised in that the universal joint drilling rod is " ten
Word sliding block " type universal joint drilling rod.
6. electronic underground deep penetration drill according to claim 1, it is characterised in that the drill bit is impregnated Buddha's warrior attendant
Stone grain structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571180.1A CN110344756A (en) | 2019-06-28 | 2019-06-28 | Electronic underground deep penetration drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571180.1A CN110344756A (en) | 2019-06-28 | 2019-06-28 | Electronic underground deep penetration drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110344756A true CN110344756A (en) | 2019-10-18 |
Family
ID=68177245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910571180.1A Pending CN110344756A (en) | 2019-06-28 | 2019-06-28 | Electronic underground deep penetration drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110344756A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405603A (en) * | 2021-06-23 | 2021-09-17 | 中国地质大学（武汉） | Sliding body deep integrated sensor laying device and monitoring method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1523197A (en) * | 2003-05-09 | 2004-08-25 | 陆观宏 | Drill expanding aiguille of anchor shaft, anchor cable, stake and drill expanding technology |
| CN202000941U (en) * | 2011-04-20 | 2011-10-05 | 中国石油天然气股份有限公司 | Downhole casing wall tapping device for oil well |
| CN103758552A (en) * | 2014-01-27 | 2014-04-30 | 北方工业大学 | Hole-expanding anchor rod and construction process thereof |
| US20180080291A1 (en) * | 2016-09-22 | 2018-03-22 | David L. Sipos | Duplex Snubbing Jack |
| CN108915590A (en) * | 2018-06-15 | 2018-11-30 | 中国石油集团长城钻探工程有限公司 | The automatically controlled drilling equipment of deep penetration |
| CN109915011A (en) * | 2015-02-24 | 2019-06-21 | 特种油管有限责任公司 | For underground hydraulic pressure injection nozzle guidance system and drilling excavating equipment can be manipulated |
-
2019
- 2019-06-28 CN CN201910571180.1A patent/CN110344756A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1523197A (en) * | 2003-05-09 | 2004-08-25 | 陆观宏 | Drill expanding aiguille of anchor shaft, anchor cable, stake and drill expanding technology |
| CN202000941U (en) * | 2011-04-20 | 2011-10-05 | 中国石油天然气股份有限公司 | Downhole casing wall tapping device for oil well |
| CN103758552A (en) * | 2014-01-27 | 2014-04-30 | 北方工业大学 | Hole-expanding anchor rod and construction process thereof |
| CN109915011A (en) * | 2015-02-24 | 2019-06-21 | 特种油管有限责任公司 | For underground hydraulic pressure injection nozzle guidance system and drilling excavating equipment can be manipulated |
| US20180080291A1 (en) * | 2016-09-22 | 2018-03-22 | David L. Sipos | Duplex Snubbing Jack |
| CN108915590A (en) * | 2018-06-15 | 2018-11-30 | 中国石油集团长城钻探工程有限公司 | The automatically controlled drilling equipment of deep penetration |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405603A (en) * | 2021-06-23 | 2021-09-17 | 中国地质大学（武汉） | Sliding body deep integrated sensor laying device and monitoring method |
| CN113405603B (en) * | 2021-06-23 | 2023-03-24 | 中国地质大学（武汉） | Sliding body deep integrated sensor laying device and monitoring method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201020 Address after: 100120 Beijing Xicheng District six laying Kang Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: China National Petroleum Corporation Great Wall Drilling Engineering Co.,Ltd. Address before: 124010 Xinglongtai, Liaoning Province, oil street, No. 96, No. Applicant before: China National Petroleum Corporation Great Wall Drilling Engineering Co.,Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191018 |
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| WD01 | Invention patent application deemed withdrawn after publication |