CN106907110A - Basement rock hot water core-drilling method and device under polar ice - Google Patents
Basement rock hot water core-drilling method and device under polar ice Download PDFInfo
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- CN106907110A CN106907110A CN201710300564.0A CN201710300564A CN106907110A CN 106907110 A CN106907110 A CN 106907110A CN 201710300564 A CN201710300564 A CN 201710300564A CN 106907110 A CN106907110 A CN 106907110A
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- drilling tool
- hot water
- drilling
- landwaste
- cable
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/14—Drilling by use of heat, e.g. flame drilling
- E21B7/15—Drilling by use of heat, e.g. flame drilling of electrically generated heat
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
Abstract
The invention discloses basement rock hot water core-drilling method and device under a kind of polar ice, device includes hot-water line, cable, cable termination, bottoms out testing agency, return connector, anti-twisted device, electric cabin, landwaste pipe, the two-tube drilling tool of screw motor and bottom and drill bit；Method is that have revolution and then completion basement rock core-drilling as dynamic medium drive hole subdrilling using hot water, hot water is using Pipeline transport to bottom hole drilling tool, it is that drilling tool inner sensor and communication module are powered to use cable simultaneously, and realizes the monitoring of drilling parameter in earth's surface device to hole；Rock penetrating drill bit is drilled down into by turning round grinding, while creep into the landwaste for producing takes away bottom hole by hot water, and along being returned on drilling tool and hole wall annular gap；The present invention solves the quick core drilling technical barrier of basement rock under polar ice well, is combined by being bored with hot water, can quickly drill ice sheet and reach subglacial interface of basement rock, and change basement rock hot water core drill completion boring sample drilling.
Description
Technical field
The present invention relates to basement rock hot water core-drilling method and device under a kind of polar ice.
Background technology
Antarctica is one of continent most ancient on the earth, and it not only preserves diversified ancient craton land
Block, is the ideal place for exploring earth early stage evolution, and its scientific meaning is protruded very much.Obtain and basement rock rock core and it is entered under ice sheet
Row is analysed in depth, and may infer that the earth's crust is formed and evolution process, continent collide with each other and extrude historical process, plate tectonice reason
By etc., so as to understand Antarctic Inland geological structure history, study freeze thawing, sliding and the deformation velocity of South Pole ice sheet, and glacier
Dynamics and climate change all have very important significance.
At present, even none of country successfully drills through subglacial sedimentary rock sample in Antarctic Inland.Due to polar region ground
The extremely low temperature of table and glacier, traffic difficulties, goods and materials are poor, bad weather, the unfavorable conditions such as ground environment complexity, give drilling work
Bring very big difficulty.And the time in each work season of polar region is of short duration, wants to drill ice sheet using conventional method drilling and arrive
Several years even tens years are generally required up to interface of basement rock, it is desirable to which the rock core for obtaining multiple hole positions is even more extremely difficult.Develop
The drilling equipment that aqualite interface can be quickly drilled into and basement rock sampling is completed is extremely urgent.
The present invention provides basement rock hot water core-drilling method and device under a kind of polar ice.The method and device can be with hot water
Drill system is combined and uses, and boring the quick ice sheet that drills using hot water in advance reaches aqualite interface, is then changed to using of the invention
Hot water core drill carries out basement rock core-drilling, reaches purpose of rapidly and efficiently sampling.
The content of the invention
It is an object of the invention to provide a kind of basement rock hot water core-drilling method under polar ice.
Another object of the present invention provides basement rock hot water core-drilling device under a kind of polar ice.
Basement rock hot water core-drilling method is under a kind of polar ice of the present invention：Using hot water as dynamic medium drive hole
The revolution of subdrilling tool and then completion basement rock core-drilling, bottom hole power set can be screw motor or turbine motor, and hot water is using pipe
Road is delivered to bottom hole drilling tool, while it is that drilling tool inner sensor and communication module are powered to use cable, and realizes earth's surface device to hole
The monitoring of interior drilling parameter.Rock penetrating drill bit uses bionical diamond bit, is drilled down into by turning round grinding, while drilling
The landwaste of generation takes away bottom hole by hot water, and along being returned on drilling tool and hole wall annular gap, the design of drilling tool top is by special landwaste
Collection device, the device is designed using Hydrodynamics Theory, and landwaste collection device top drilling tool diameter diminishes, when carrying
The hot water of landwaste flows through landwaste collection device, and flow rate of hot water reduction, landwaste is relied in gravity fall to landwaste collection device.Using
The method is crept into, and anti-twisted device need to be designed above drilling tool, prevents top drilling tool from being rotated when drill bit creeps into, but by
Need to overcome larger drilling moment of torsion in the anti-button device of core drilling, therefore the anti-twisted device of high pulling torque need to be designed.
Basement rock hot water core-drilling device includes hot-water line, cable, cable termination, bottoms out under a kind of polar ice of the present invention
Testing agency, return connector, anti-twisted device, electric cabin, landwaste pipe, the two-tube drilling tool of screw motor and bottom and drill bit；
Wherein hot-water line and cable binding is transferred together, and hot-water line is hot water channel, and earth's surface hot water is delivered to by hot-water line
Drilling tool, cable provides electric power for drilling tool, and completes the signal communication of earth's surface and drilling tool；Cable termination is used for connection cable and bores
Tool, bottoms out testing agency and installs by displacement transducer and spring mechanism, by displacement transducer detection spring decrement, so as to count
Calculation draws the value of thrust that cable bears, and when pulling force is born on cable equal to gravity, shows that drilling tool is in suspended state, works as cable
On bear pulling force less than gravity when, illustrate that drilling tool has arrived at bottom hole, now by water flowing crept into.Return connector and hot water
Pipe is connected, for hot water in hot-water line to be imported inside drilling tool.
Anti-twisted device is the anti-twisted type of tabular, the radially anti-twisted plate of uniform three rectangles, every anti-twisted plate by anti-twisted and
Hot melt piece composition, wherein hot melt piece is embedded with heating element heater, heating element heater is connected by heating element heater cable with electric cabin.Instead
Twisted piece and hot melt piece are respectively adopted screw and are fixed on anti-button device outer tube.Electric cabin is high-pressure-resistant sealed cabin, and inside filling is normal
Pressure air, signal acquisition and communication module are installed in electric cabin in drilling tool, and are provided with temperature and pressure sensor, are used for
Hot water temperature in drilling tool and hydraulic pressure are detected.Landwaste pipe fixed seat is connected with anti-twisted device, and landwaste pipe is connected through a screw thread
In landwaste pipe fixed seat.
Screw motor is drilling tool rotary motive power source, and screw motor shell is connected with landwaste pipe fixed seat, is kept in drilling
Do not rotate, screw motor inner screw is driven in hot water and turns next time and be connected with lower drilling tool by screw motor output shaft, is driven
Lower drilling tool and drill bit revolution cutting complete drive sampling.Screw motor has outer tube.
In order to reduce influence of the drilling tool revolution to core quality as far as possible, lower drilling tool is designed as single-action twin-pipes structure, that is, bores
Drilling tool outer tube drives drill bit rotary drilling when entering, and basket does not turn round reduction then and moral purity is worn and torn.Its concrete structure includes rotation
Joint, sealing ring, bearing, bearing baffle ring, single acting connector, locking nut, non-return valve, drilling tool outer tube and basket.Wherein revolve
Adapter top is connected by flat key with screw motor output shaft, and drilling tool outer tube is connected by screw thread with swivel joint, screw rod horse
Synchronous axial system is kept up to output shaft, swivel joint, drilling tool outer tube and drill bit.Basket is connected by screw thread with single acting connector, single
Carried out by bearing guard ring in dynamic joint with two sets bearings with swivel joint heart axle, between two sets of bearings spacing.Sealing ring can
Ensure that hot water will not enter moral purity pipe in gap between single acting connector and swivel joint.Swivel joint bottom is processed by screw thread, is led to
Crossing locking nut can realize to the spacing of single acting connector.Drill bit is threadedly attached in drilling tool outer pipe bottom.
The course of work of the invention：
When being drilled down into, drilling tool is put into hole first with earth's surface winch, and continuously transferred, seen at any time in decentralization process
Examine bottom out testing agency's feedback bottom out pressure value, persistently increase to suitable with drilling tool weight when pressure is bottomed out, show drilling tool
Bottom hole is reached, has now stopped decentralization, and drilling is started to hot water is pumped in drilling tool by hot-water line.
Hot water enters inside drilling tool from return connector, flows through anti-twisted device, electric cabin, landwaste pipe fixed seat arrival spiral shell
Bar motor, and the revolution of drive screw motor, for drilling provides power.Swivel joint is continued through from the hot water of screw motor outflow
Internal water channel enters gap between drilling tool outer tube and moral purity pipe, and is sprayed from drill bit bottom position.
During drilling, screw motor output shaft drives drilling tool outer tube and drill bit to carry out revolution cutting and completes to bore by swivel joint
Enter, creep into the landwaste for producing and bottom hole is taken away and along being returned on drilling tool and hole wall annular gap by the hot water for spraying, so as to ensure
Bottom hole is cleaned, for efficient core-drilling provides possibility, when the hot water for carrying landwaste flows through landwaste pipe, because drilling tool diameter subtracts
Small, flow rate of hot water reduction causes hot water that power reduction is carried to landwaste, and landwaste will be settled down in basket under gravity, real
Now collect the purpose of landwaste.Creep into the core sample for producing to enter in basket, in order to prevent water in basket from producing rock core
Raw hydrostatic pressure, reduces rate of penetration, and check valve is provided centrally with swivel joint.When basket internal memory water pressure reach it is a certain
Numerical value, non-return valve is opened, and water discharges drilling tool by swivel joint center water channel in basket.
In drilling process, electric cabin is controlled for heating element heater is powered, hot melt piece is simultaneously heated to high temperature by heating element heater heating,
It is more than bore diameter with hot melt piece radial dimension due to anti-twisted, in the case where piece high temperature action is heated, hot melt piece will be warm in hole wall
Molten to form elongated slot, anti-twisted moves downward the elongated slot formed along hot melt with hot melt piece, and provides the reaction torque needed for creeping into.Cause
For the depth for forming elongated slot can preset, therefore this anti-twisted device can be provided and be far longer than the anti-twisted of other anti-twisted devices
Square, the need for meeting subglacial base rock boring high pulling torque.
Beneficial effects of the present invention：
The present invention solves the quick core drilling technical barrier of basement rock under polar ice well, is mutually tied by being bored with hot water
Close, can quickly drill ice sheet and reach subglacial interface of basement rock, and change basement rock hot water core drill completion boring sample drilling.This hair
Bright to provide new technical meanses to study polar region aqualite environment, the development to accelerating polar research plays an important roll.
The present invention heats out deep trouth using the board-like anti-twisted device of hot melt, the anti-twisted device by hole wall, by anti-twisted with
Deep trouth interacts and provides reaction torque, can meet basement rock drilling high pulling torque needs.
Brief description of the drawings
Fig. 1 is basement rock hot water core drill structural representation under polar ice.
Specific embodiment
Basement rock hot water core-drilling method is under a kind of polar ice of the present invention：Using hot water as dynamic medium drive hole
The revolution of subdrilling tool and then completion basement rock core-drilling, bottom hole power set can be screw motor or turbine motor, and hot water is using pipe
Road is delivered to bottom hole drilling tool, while it is that drilling tool inner sensor and communication module are powered to use cable, and realizes earth's surface device to hole
The monitoring of interior drilling parameter.Rock penetrating drill bit uses bionical diamond bit, is drilled down into by turning round grinding, while drilling
The landwaste of generation takes away bottom hole by hot water, and along being returned on drilling tool and hole wall annular gap, the design of drilling tool top is by special landwaste
Collection device, the device is designed using Hydrodynamics Theory, and landwaste collection device top drilling tool diameter diminishes, when carrying
The hot water of landwaste flows through landwaste collection device, and flow rate of hot water reduction, landwaste is relied in gravity fall to landwaste collection device.Using
The method is crept into, and anti-twisted device need to be designed above drilling tool, prevents top drilling tool from being rotated when drill bit creeps into, but by
Need to overcome larger drilling moment of torsion in the anti-button device of core drilling, therefore the anti-twisted device of high pulling torque need to be designed.
Refer to shown in Fig. 1, a kind of ice layer of polar region hot water core-drilling device of the present invention include hot-water line 1, cable 2,
Cable termination 3, bottom out testing agency 4, return connector 5, anti-twisted device 6, electric cabin 12, landwaste pipe 13, screw motor 15 and under
The two-tube drilling tool in portion and drill bit 28, hot-water line 1 and cable 2 are bundled and transferred together, and hot-water line 1 is hot water channel, and earth's surface hot water passes through
Hot-water line 1 delivers to drilling tool, and cable 2 provides electric power for drilling tool, and completes the signal communication of earth's surface and drilling tool；Cable termination 3 is used for
Connection cable 2 and drilling tool, bottom out testing agency 4 and install by displacement transducer and spring mechanism, and bullet is detected by displacement transducer
Spring decrement, so as to calculate the value of thrust that cable 2 bears, when pulling force is born on cable 2 equal to gravity, shows at drilling tool
In suspended state, when pulling force is born on cable 2 less than gravity, illustrate that drilling tool has arrived at bottom hole, now by water flowing carry out
Drilling.Return connector 5 is connected with hot-water line 1, for hot water in hot-water line 1 to be imported inside drilling tool.
Anti-twisted device 6 is the anti-twisted type of tabular, radially the anti-twisted plate of uniform three rectangles, and every anti-twisted plate is by anti-twisted 8
Constituted with hot melt piece 9, wherein hot melt piece 9 is embedded with heating element heater 10, heating element heater 10 is by heating element heater cable 11 and electricity
Gas cabin 12 is connected.Screw 7 is respectively adopted with hot melt piece 9 for anti-twisted 8 to be fixed on anti-button device outer tube.Electric cabin 12 is high pressure resistant
Sealed compartment, inside filling atmospheric air, signal acquisition and communication module are installed in electric cabin 12 in drilling tool, and are provided with temperature
Degree and pressure sensor, for being detected to hot water temperature in drilling tool and hydraulic pressure.Landwaste pipe fixed seat 14 and the phase of anti-twisted device 6
Even, landwaste pipe 13 is threadedly attached in landwaste pipe fixed seat 14.
Screw motor 15 is drilling tool rotary motive power source, and the shell of screw motor 15 is connected with landwaste pipe fixed seat 14, in drilling
When keep do not rotate, screw motor inner screw hot water drive turn next time and by screw motor output shaft 16 and lower drilling tool phase
Even, lower drilling tool and the revolution cutting of drill bit 28 is driven to complete drive sampling；Screw motor 15 has outer tube 17.
In order to reduce influence of the drilling tool revolution to core quality as far as possible, lower drilling tool is designed as single-action twin-pipes structure, that is, bores
Drilling tool outer tube drives drill bit rotary drilling when entering, and basket does not turn round reduction then and moral purity is worn and torn.Its concrete structure includes rotation
Joint 19, sealing ring 20, bearing 21, bearing baffle ring 22, single acting connector 23, locking nut 24, non-return valve 25, drilling tool outer tube 26
With basket 27.Wherein the top of swivel joint 19 is connected by flat key 18 with screw motor output shaft 16, and drilling tool outer tube 26 passes through
Screw thread is connected with swivel joint 19, and screw motor output shaft 16, swivel joint 19, drilling tool outer tube 26 and drill bit 28 keep synchronous and turn
It is dynamic.Basket 27 is connected by screw thread with single acting connector 23, by two sets of bearings 21 and the heart axle of swivel joint 19 in single acting connector 23
Coordinate, carried out by bearing guard ring 22 between two sets of bearings 21 spacing.Sealing ring 20 can ensure that hot water will not be from the He of single acting connector 23
Gap enters moral purity pipe between swivel joint 19.The bottom of swivel joint 19 is processed by screw thread, and it is right to be realized by locking nut 24
Single acting connector 23 it is spacing.Drill bit 28 is threadedly attached in the bottom of drilling tool outer tube 26.
The course of work of the invention：
When being drilled down into, drilling tool is put into hole first with earth's surface winch, and continuously transferred, seen at any time in decentralization process
Examine bottom out the feedback of testing agency 4 bottom out pressure value, persistently increase to suitable with drilling tool weight when pressure is bottomed out, show drilling tool
Bottom hole is reached, has now stopped decentralization, and drilling is started to hot water is pumped in drilling tool by hot-water line 1.
Hot water enters inside drilling tool from return connector 5, flows through anti-twisted device 6, electric cabin 12, landwaste pipe fixed seat 14
Screw motor 15 is reached, and drive screw motor is turned round, for drilling provides power.Continued through from the hot water of screw motor outflow
The internal water channel of swivel joint 19 enters gap between drilling tool outer tube 26 and moral purity pipe 27, and is sprayed from the bottom of drill bit 28 position.
During drilling, screw motor output shaft 16 is carried out revolution and is cut by the drive drilling tool of swivel joint 19 outer tube 26 and drill bit 28
Completion drilling is cut, the landwaste that produces is crept into and bottom hole is taken away and along being returned on drilling tool and hole wall annular gap by the hot water for spraying,
So as to ensure that bottom hole is cleaned, for efficient core-drilling provides possibility, when the hot water for carrying landwaste flows through landwaste pipe 13, due to boring
Tool diameter reduces, flow rate of hot water reduction, causes hot water that power reduction is carried to landwaste, and landwaste will be settled down to rock core under gravity
In pipe 13, realize collecting the purpose of landwaste.Creep into the core sample for producing to enter in basket 27, in order to prevent in basket 27
Water produces hydrostatic pressure to rock core, reduces rate of penetration, and check valve is provided centrally with swivel joint 19.When in basket 27
Water pressure reaches a certain numerical value, and non-return valve 19 is opened, and water is discharged by the center water channel of swivel joint 19 in basket 27
Drilling tool.
In drilling process, electric cabin 12 is controlled for heating element heater 10 is powered, heating element heater 10 generates heat and heats hot melt piece 9
To high temperature, due to anti-twisted 8 and hot melt piece 9 radial dimension is more than bore diameter, in the case where the high temperature action of piece 9 is heated, hot melt piece 9 will
Hot melt forms elongated slot in hole wall, and anti-twisted 8 and hot melt piece 9 move downward the elongated slot formed along hot melt, and provide drilling institute
The reaction torque for needing.Because the depth for forming elongated slot can preset, therefore this anti-twisted device can be provided and be far longer than other
The reaction torque of anti-twisted device, the need for meeting subglacial base rock boring high pulling torque.
Claims (2)
1. a kind of basement rock hot water core-drilling method under polar ice, the method is：Using hot water as dynamic medium drive hole bottom
Drilling tool is turned round and then completes basement rock core-drilling, and bottom hole power set can be screw motor or turbine motor, and hot water uses pipeline
Bottom hole drilling tool is delivered to, while it is that drilling tool inner sensor and communication module are powered to use cable, and is realized in earth's surface device to hole
The monitoring of drilling parameter；Rock penetrating drill bit uses bionical diamond bit, is drilled down into by turning round grinding, while creep into producing
Raw landwaste takes away bottom hole by hot water, and along being returned on drilling tool and hole wall annular gap, the design of drilling tool top is received by special landwaste
Acquisition means, the device is designed using Hydrodynamics Theory, and landwaste collection device top drilling tool diameter diminishes, when carrying rock
The hot water of bits flows through landwaste collection device, and flow rate of hot water is reduced, and landwaste is relied in gravity fall to landwaste collection device, in drilling tool
Anti-twisted device is designed in top, prevents top drilling tool from being rotated when drill bit creeps into.
2. a kind of ice layer of polar region hot water core-drilling device, it is characterised in that：Including hot-water line (1), cable (2), cable termination
(3) testing agency (4), return connector (5), anti-twisted device (6), electric cabin (12), landwaste pipe (13), screw motor, are bottomed out
(15) and the two-tube drilling tool in bottom and drill bit (28), hot-water line (1) and cable (2) binding is transferred together, and hot-water line (1) is logical for hot water
Road, earth's surface hot water delivers to drilling tool by hot-water line (1), and cable (2) provides electric power for drilling tool, and completes the signal of earth's surface and drilling tool
Communication；Cable termination (3) bottoms out testing agency (4) and is provided with displacement transducer and coiling machine for connection cable (2) and drilling tool
Structure, by displacement transducer detection spring decrement, so as to calculate the value of thrust that cable (2) bears, holds when on cable (2)
When being equal to gravity by pulling force, show that drilling tool is in suspended state, when pulling force is born on cable (2) less than gravity, illustrate drilling tool
Have arrived at bottom hole, now can water flowing crept into；Return connector (5) is connected with hot-water line (1), for by hot-water line (1)
Middle hot water is imported inside drilling tool；
Anti-twisted device (6) is the anti-twisted type of tabular, radially the anti-twisted plate of uniform three rectangles, and every anti-twisted plate is by anti-twisted (8)
With hot melt piece (9) composition, heat piece (9) and be embedded with heating element heater (10), heating element heater (10) is by heating element heater cable
(11) it is connected with electric cabin (12)；Anti-twisted (8) and hot melt piece (9) are respectively adopted screw (7) and are fixed on anti-button device outer tube；
Electric cabin (12) is high-pressure-resistant sealed cabin, inside filling atmospheric air, and signal acquisition and communication module are installed in electricity in drilling tool
In gas cabin (12), and temperature and pressure sensor is installed, for being detected to hot water temperature in drilling tool and hydraulic pressure；Landwaste pipe
Fixed seat (14) is connected with anti-twisted device (6), and landwaste pipe (13) is threadedly attached on landwaste pipe fixed seat (14)；
Screw motor (15) is drilling tool rotary motive power source, and screw motor (15) shell is connected with landwaste pipe fixed seat (14), is being bored
Keep not rotating when entering, screw motor inner screw is driven in hot water and turns next time and bored by screw motor output shaft (16) and bottom
Tool is connected, and drives lower drilling tool and drill bit (28) revolution cutting to complete drive sampling；Screw motor (15) is with outer tube (17)；
Lower drilling tool includes swivel joint (19), sealing ring (20), bearing (21), bearing baffle ring (22), single acting connector (23), lock
Tight nut (24), non-return valve (25), drilling tool outer tube (26) and basket (27), swivel joint (19) top passes through flat key (18)
It is connected with screw motor output shaft (16), drilling tool outer tube (26) is connected by screw thread with swivel joint (19), screw motor output
Axle (16), swivel joint (19), drilling tool outer tube (26) and drill bit (28) keep synchronous axial system；Basket (27) is by screw thread and list
Dynamic joint (23) is connected, in single acting connector (23) with two sets of bearings (21) and swivel joint (19) heart axle, two sets of bearings
(21) carried out by bearing guard ring (22) between spacing；Sealing ring (20) can ensure that hot water will not connect from single acting connector (23) and rotation
Gap enters moral purity pipe between head (19)；The processing of swivel joint (19) bottom is by screw thread, and it is right to be capable of achieving by locking nut (24)
Single acting connector (23) it is spacing；Drill bit (28) is threadedly attached in drilling tool outer tube (26) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710300564.0A CN106907110B (en) | 2017-04-29 | 2017-04-29 | Hot water core drilling method and device for polar region under-ice bedrock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710300564.0A CN106907110B (en) | 2017-04-29 | 2017-04-29 | Hot water core drilling method and device for polar region under-ice bedrock |
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| CN106907110A true CN106907110A (en) | 2017-06-30 |
| CN106907110B CN106907110B (en) | 2023-03-21 |
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| CN108360991A (en) * | 2018-03-24 | 2018-08-03 | 吉林大学 | A kind of hydraulic pressure trigger-type ice sheet bottom multiple spot hot water core bit |
| CN108505946A (en) * | 2018-04-13 | 2018-09-07 | 吉林大学 | Snow deposit drilling reducing hot melting drill head |
| CN108625775A (en) * | 2018-07-09 | 2018-10-09 | 吉林大学 | A kind of revolution cutting type ice sheet hot melt drilling apparatus |
| CN108868738A (en) * | 2018-07-20 | 2018-11-23 | 杭州电子科技大学 | A kind of subglacial base rock boring TT&C system |
| CN109826561A (en) * | 2019-04-12 | 2019-05-31 | 吉林大学 | A kind of unattended polar region granular snow layer temperature measurement while drilling device |
| CN110318669A (en) * | 2019-08-06 | 2019-10-11 | 吉林大学 | A kind of uphole hot water drilling system for ice shelf bottom |
| CN113216834A (en) * | 2021-06-21 | 2021-08-06 | 吉林大学 | Hole wall directional hot melting coring drilling tool for ice layer |
| CN115059390A (en) * | 2022-06-29 | 2022-09-16 | 吉林大学 | Polar region glacier internal occurrence gas acquisition device while drilling |
| CN115162945A (en) * | 2022-07-15 | 2022-10-11 | 吉林大学 | Efficient polar region ice layer full-hole hot melting drilling device |
| RU2804095C1 (en) * | 2023-04-24 | 2023-09-26 | федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский горный университет" | Method of drilling wells in continental ice |
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| CN108505946A (en) * | 2018-04-13 | 2018-09-07 | 吉林大学 | Snow deposit drilling reducing hot melting drill head |
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| CN109826561B (en) * | 2019-04-12 | 2023-10-20 | 吉林大学 | Unmanned polar region grain snow layer temperature measurement while drilling device |
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| CN110318669A (en) * | 2019-08-06 | 2019-10-11 | 吉林大学 | A kind of uphole hot water drilling system for ice shelf bottom |
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| CN113216834A (en) * | 2021-06-21 | 2021-08-06 | 吉林大学 | Hole wall directional hot melting coring drilling tool for ice layer |
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| CN115162945A (en) * | 2022-07-15 | 2022-10-11 | 吉林大学 | Efficient polar region ice layer full-hole hot melting drilling device |
| RU2804095C1 (en) * | 2023-04-24 | 2023-09-26 | федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский горный университет" | Method of drilling wells in continental ice |
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