CN108222838A - Electric pulse rock breaking drill bit and experimental device thereof - Google Patents
Electric pulse rock breaking drill bit and experimental device thereof Download PDFInfo
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- CN108222838A CN108222838A CN201810050668.5A CN201810050668A CN108222838A CN 108222838 A CN108222838 A CN 108222838A CN 201810050668 A CN201810050668 A CN 201810050668A CN 108222838 A CN108222838 A CN 108222838A
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- broken rock
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- 239000011435 rock Substances 0.000 title claims abstract description 153
- 238000005553 drilling Methods 0.000 claims abstract description 52
- 230000005611 electricity Effects 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000012530 fluid Substances 0.000 claims description 20
- 238000009413 insulation Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000002474 experimental method Methods 0.000 claims description 10
- 238000004064 recycling Methods 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 230000005684 electric field Effects 0.000 description 20
- 239000004411 aluminium Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 239000007772 electrode material Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 102000016938 Catalase Human genes 0.000 description 1
- 108010053835 Catalase Proteins 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
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- 210000003462 vein Anatomy 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
the invention relates to an electric pulse rock breaking drill bit and an electric pulse rock breaking experimental device, which are provided with a confining pressure pump station, a pulse power supply, a P-L-C control device, a confining pressure cylinder horizontal moving device, a water inlet and outlet pump, a confining pressure cylinder assembly, a high-voltage electric pulse rock breaking drill bit and the like, wherein the high-voltage pulse power supply supplies high-voltage pulse electricity to be transmitted to a high-voltage electrode and a low-voltage electrode through a cable, the high-voltage pulse electricity meeting certain conditions firstly breaks rock to generate a discharge channel, the plasma channel is heated to expand, when the stress exceeds the stress intensity of the rock, the rock is broken, and high-voltage pulse discharge drilling is realized.
Description
Technical field
The present invention relates to drilling field, more specifically to a kind of electric pulse broken rock drill bit and its experimental provision.
Background technology
The major function of electric pulse broken rock drill bit is to supply electricity to high electric field pulse broken rock drill bit by high pressure-burst pulse, in rock
Discharge channel is generated in stone body, punctures lithosome, realizes quick, efficient, green fractured rock, the drill bit and broken rock mode energy
The broken rock drilling of more than 5km deep-wells is adapted to, compared to common mechanical rotary drilling, has and spends the spies such as low, wall quality is high
Point；Electric pulse broken rock experimental provision, major function be by electric pulse crushing experiment, realize the geometry to electrode, distribution,
The research of spacing and electrode material etc., electric pulse broken rock drill bit and electric pulse broken rock experimental provision have important application and scientific research valency
Value.
International Energy Agency prediction the year two thousand thirty nearly 50% crude oil, natural gas Isoquant to lean on deep-well, ultradeep well and deep-sea,
The unconventional well such as the frontiers such as polar region and oil-sand is produced；The part of earth interior 99% has been more than 1000 DEG C, earth 5-10
Possess in kilometer and can exploit utilization (prior art) and inexhaustible geothermal energy, be a kind of huge renewable sources of energy of reserves, the earth
Geothermal energy included in 10x10x10km cubes under 7km is equivalent to the gross energy of each field consumption in the 1 year whole world.Therefore
The acquisition of crude oil, natural gas and geothermal energy need to beat the unconventional well such as deep-well, ultradeep well.The average thickness of the earth's crust about 33km, the earth
Have " geothermal gradient ", earth's crust temperature, which rises, is generally 20~30 DEG C/km.Temperature is about 300 DEG C at earth interior 10km.It is pressed inside the earth's crust
Power increases with depth, and depth often increases 1km, and pressure increases 27.5MPa, and pressure is about 304MPa at the 10km of underground, i.e. well on 5km
Belong to hp-ht well.
Hp-ht well is bored using mechanical rotary drilling to have the following problems：At present detritus tool increased by deep hole temperature and
The limitation of power is driven, use scope and performance are affected；The geological conditions of high temperature high pressure deep well and ultradeep well drilling
Complexity may lead to the negative consequences such as drilling failure and drilling efficiency reduction；Under deep hole different temperatures and pressure condition, rock
Physico-mechanical properties change, so as to which cutting element cutting ability at high crustal stress, higher temperature be made to change；With
Drilling depth increasing, hole deviation generally can also increase, and after hole deviation increases, many difficulties, difficulty of construction can be brought to wellbore construction
Greatly；Hp-ht well is using traditional rotary drilling mode with drilling efficiency is low, drilling cost is high and wellbore quality cannot be protected
The shortcomings of card, need to rely on new breaking technique for rock.High electric field pulse can realize quick, efficient, green fractured rock, have spend it is low,
The features such as wall quality is high.Domestic and foreign scholars have carried out extensive research to high electric field pulse broken rock, mainly have studied high-voltage electricity arteries and veins
Rock transmission cable, high electric field pulse power supply, electric spark switch etc. are broken through, preferable rock breaking efficiency is achieved, to high electric field pulse
The research of broken rock drill bit, bit electrode material, the geometry of electrode, distribution and spacing etc. is less, and high electric field pulse broken rock is bored
Head, bit electrode material, the geometry of electrode, distribution and spacing have large effect, mesh to efficiency of breaking rock, energy loss etc.
The main tackling key problem technology being developed into as limitation high electric field pulse breaking technique for rock development of preceding high electric field pulse broken rock drill bit.
Invention content
The present invention proposes a kind of high electric field pulse broken rock drill bit and high electric field pulse broken rock experimental provision, realizes to electrode
Geometry, distribution, spacing and electrode material etc. research, develop efficient high electric field pulse on the basis of studying herein
Broken rock drill bit realizes the high efficiency to unconventional well, the drilling of low cost.
According to the present invention wherein on the one hand the present invention is its technical problem of solution, provides a kind of electric pulse broken rock and bores
Head including insulation tube, is arranged with outer tube on insulation tube, insulation tube is hollow, it is described it is hollow in be disposed with cable, cable difference is electrical
Connection is located at the high-field electrode and low-field electrode of the electric pulse broken rock drill bit lower end, and is worn from the upper end of the insulation tube
Go out, the lower end of the electric pulse broken rock drill bit also has collets, and low-field electrode is set on collets, and collets are located at described
On outer tube, the outer tube is kept apart with low-field electrode.
Preferably, in the electric pulse broken rock drill bit of the present invention, there is lifting lug on the upper end of the electric pulse broken rock drill bit.
Preferably, in the electric pulse broken rock drill bit of the present invention, the high-field electrode is fixed on the lower end of insulation tube, described
Electric pulse broken rock drill bit has multigroup collets and the low-field electrode.
According to another aspect of the present invention, it is real to additionally provide a kind of electric pulse broken rock to solve its technical problem by the present invention
Experiment device, the electric pulse broken rock experimental provision include：
Such as any of the above-described electric pulse broken rock drill bit；
Confining pressure cylinder component, including confining pressure cylinder, ionization aqueous drilling fluid, rock sample, confining pressure cylinder is provided for the rock sample
Confining pressure, ionization aqueous drilling fluid provide dielectric, and take between the high-field electrode and low-field electrode of the electric pulse broken rock drill bit
Take away broken landwaste；
Confining pressure pumping plant provides pressure oil for the confining pressure cylinder component, realizes the pressure rings by confining pressure cylinder component simulation rock
Border；
The pulse power is electrically connected with the cable of the electric pulse broken rock drill bit, is provided for the electric pulse broken rock drill bit
Pulse electricity；
Confining pressure cylinder horizontally moving device, the confining pressure cylinder are located on the confining pressure cylinder horizontally moving device and can be in confining pressure cylinders
It is moved horizontally on horizontally moving device；
Water pump is passed in and out, the ionization aqueous drilling fluid and the ionization water drilling are provided when realizing and drilling experiment is crushed to electric pulse
The cycle of well liquid；
Steel wire rope connects lifting lug；
Row's rope electric hoist, arranges and winds the steel wire rope and the cable on the roller of rope electric hoist, realize the steel wire rope
Decentralization synchronous with the cable and recycling, and then realize and promoted and transfer the electric pulse broken rock drill bit and by the electricity
Cable transmission pulse electricity；
PLC control devices, for controlling confining pressure pumping plant, disengaging water pump and row's rope electric hoist, confining pressure cylinder horizontally moving device,
Realize the start-up and shut-down control to confining pressure pumping plant, disengaging water pump, the row of row's rope electric hoist restricts decentralization with recycling, and confining pressure cylinder moves horizontally dress
That puts moves horizontally.
Preferably, it in the electric pulse broken rock experimental provision of the present invention, further includes：
Stent, row's rope electric hoist are located at the top of the stent, and confining pressure cylinder horizontally moving device is located at the stent
Lower part, the electric pulse broken rock drill bit hung by the steel wire rope between the top and lower part that are located at the stent.
Preferably, in the electric pulse broken rock experimental provision of the present invention, the lower part of the stent has guide rail, the confining pressure
There is sliding groove, the guide rail can carry out horizontal slip along the sliding groove on cylinder horizontally moving device.
Preferably, in the electric pulse broken rock experimental provision of the present invention, a groove, institute are formed at the top of the rock sample
Ionization aqueous drilling fluid is stated to be located in the groove；In drilling, the lower end of the electric pulse broken rock drill bit is described positioned at also being located at
In groove.
The electric pulse broken rock drill bit of the present invention is using high electric field pulse fractured rock, without other power head devices, entirely
Detritus tool is not increased by Kong Wen and power is driven to be limited, and can be adapted to the drilling well of high temperature high pressure deep well, ultradeep well completely, is one
The emerging efficient broken rock mode of kind；It is crept into using electric pulse, energy utilization efficiency is high, and high electric field pulse broken rock drill bit has multiple
Ground electrode forms discharge channel on each ground electrode and high-voltage electricity pole-face, and then forms plasma channel net, so as to quick crashing
Rock, efficiency of breaking rock are much larger than mechanical rock breaking efficiency；The complex geologic conditions of high temperature high pressure deep well and ultradeep well drilling, tradition
Machinery drilling be easy to cause drilling failure, when especially boring soft or hard alternate stratum, traditional machinery drilling can not be crept into, and be recognized
Stratum can not be bored by being set to, but creep into wide adaptation range using electric pulse, not limited by geological conditions such as rock behavio(u)rs；High-voltage electricity
Pulse broken rock drill bit creeps into its drilling quality height, avoids the increasing with well depth, and hole deviation increases.
The electric pulse broken rock experimental provision of the present invention has the pressure environment that confining pressure device can simulate earth interior, to high temperature
Electric pulse drilling experiment is carried out in high pressure and deep well and ultradeep well closer to actual well drilled environment, can be realized in deep-well, ultradeep well
The experimental study of geometry, distribution, spacing and the electrode material of high electric field pulse broken rock bit electrode etc.；Electric pulse broken rock is real
Experiment device has confining pressure cylinder horizontally moving device, facilitates the assembly and disassembly of rock sample；Electric pulse broken rock experimental provision uses modularization
Design, it is convenient for disassembly and assembly, and the pulse power is isolated with PLC control devices, avoids electromagnetic interference, device reliability is high.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing：
Fig. 1 is the electric pulse broken rock experimental provision structure chart of the present invention；
Fig. 2 is the electric pulse broken rock bit exterior structure diagram of the present invention；
Fig. 3 is the electric pulse broken rock drill bit internal structure diagram of the present invention；
Fig. 4 is the electric pulse broken rock drill bit Rock penetrating schematic diagram of the present invention；
In above-mentioned figure：1-confining pressure pumping plant, 2-pulse power, 3-PLC control devices, 4-confining pressure cylinder move horizontally dress
It puts, 5-disengaging water pump, 6-confining pressure cylinder component, 6.1-confining pressure cylinder, 6.2-ionization aqueous drilling fluid, 6.3-rock sample, 7-
Electric pulse broken rock drill bit, 7.1-lifting lug, 7.2-metal outer pipe, 7.3-collets, 7.4-low-field electrode, 7.5-high-voltage electricity
Pole, 7.6-insulation tube, 7.7-cable, 8-steel wire rope, 9-row rope electric hoist, 10-aluminium section bar stent.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
The specific embodiment of the present invention.
Embodiment 1：A kind of electric pulse broken rock drill bit of the present invention and its electric pulse broken rock experimental provision, structure such as Fig. 1,2,
3rd, it shown in 4, including confining pressure pumping plant 1, the pulse power 2, PLC control devices 3, confining pressure cylinder horizontally moving device 4, disengaging water pump 5, encloses
Cylinder pressure component 6, electric pulse broken rock drill bit 7, steel wire rope 8, row's rope electric hoist 9, aluminium section bar stent 10.Confining pressure pumping plant 1, predominantly encloses
Cylinder pressure component 6 provides high pressure oil, realizes the hyperbaric environment by 6 simulation rock of confining pressure cylinder component；The pulse power 2 is by high pressure
High frequency electric source provides high-voltage pulse electric by obtaining high-voltage pulse electric after boosting, rectification, for electric pulse broken rock drill bit 7；PLC is controlled
Device 3, it is main to control confining pressure pumping plant 1, disengaging water pump 5 and row's rope electric hoist 9, confining pressure cylinder horizontally moving device 4, it realizes to confining pressure
Pumping plant 1, the start-up and shut-down control for passing in and out water pump 5, the decentralization of row's rope and recycling of row's rope electric hoist 9, the water of confining pressure cylinder horizontally moving device 4
Translation is dynamic, and the lower part of aluminium section bar stent 10 has a horizontally disposed guide rail, and 4 have sliding groove on confining pressure cylinder horizontally moving device,
Guide rail can carry out horizontal slip along sliding groove；Pass in and out water pump 5, using a pipeline send water (ionization aqueous drilling fluid), one
The mode that pipeline draws water provides ionization aqueous drilling fluid 6.2 and ionization aqueous drilling fluid 6.2 when realizing and drilling experiment is crushed to electric pulse
Cycle；Confining pressure cylinder component 6, including confining pressure cylinder 6.1, ionization aqueous drilling fluid 6.2, rock sample 6.3,6.1 inside of confining pressure cylinder is empty
The heart, rock sample 6.1 are bulk, and a groove is formed at top, and ionization aqueous drilling fluid 6.2 is located in groove；Rock sample 6.3 is located at
Inside confining pressure cylinder 6.1, confining pressure pumping plant connection confining pressure cylinder 6.1 is embodied as rock sample 6.3 and provides confining pressure, simulates its hyperbaric environment,
Ionization aqueous drilling fluid 6.2 provides dielectric, and carry away the kata-rocks generated during drilling between high-field electrode and low-field electrode
Bits；In drilling, the lower end of electric pulse broken rock drill bit, which is located at, also to be located in above-mentioned groove.
Electric pulse broken rock drill bit 7, including lifting lug 7.1, metal outer pipe 7.2, collets 7.3, low-field electrode 7.4 (it is electric
Pole), high-field electrode 7.5, insulation tube 7.6, cable 7.7.Above-mentioned metal outer pipe 7.2 is arranged on insulation tube 7.3, insulation tube 7.3 is empty
The heart, cable 7.7 be arranged in this it is hollow in, be electrically connected positioned at electric pulse broken rock drill bit lower end high-field electrode 7.5 and
Low-field electrode 7.4, and be pierced by from the upper end of insulation tube 7.6, collets 7.3 are located at the lower end of electric pulse broken rock drill bit, low tension
Pole 7.4 is set on collets, and collets 7.3 are located in metal outer pipe 7.2, and metal outer pipe 7.2 is isolated with low-field electrode 7.4
It comes, there is trepanning, with connecting cable and low-field electrode 7.4 on insulation tube 7.6 and metal tube 7.3.High-voltage pulse electric passes through electricity
Cable 7.7 is transmitted separately to high-field electrode 7.5 and low-field electrode 7.4, since the breakdown voltage of ionization aqueous drilling fluid 6.2 is higher than rock
Stone, the high-voltage pulse electric for meeting certain condition first puncture rock, generate discharge channel, plasma channel expanded by heating, and to week
The rock mass acting enclosed.It is crept into using electric pulse, energy utilization efficiency is high, and it is logical that electric discharge is formed on each ground electrode and high-voltage electricity pole-face
Road, and then plasma channel net is formed, thus quick crashing rock, when stress is more than the stress intensity of rock, catalase,
Its efficiency of breaking rock is much larger than mechanical rock breaking efficiency.Steel wire rope 8 connects lifting lug 7.1, realizes promotion and lower discharge pulse broken rock drill bit
7；Row's rope electric hoist 9, lay winding wire ropes 8 and cable 7.7 on roller, realize the decentralization synchronous with cable 7.7 of steel wire rope 8 with time
Receipts, and then realize promotion and lower discharge pulse broken rock drill bit 7 and pass through 7.7 transferring high voltage pulse of cable electricity；Aluminium section bar stent
10, it is used to support confining pressure cylinder component 6, electric pulse broken rock drill bit 7, row's rope electric hoist 9 etc..
Before high electric field pulse broken rock experimental provision carries out electric pulse broken rock experiment, PLC control devices 3 control confining pressure cylinder horizontal
Confining pressure cylinder component 6 is removed aluminium section bar stent 10 by mobile device 4, and rock sample 6.3, PLC control dresses are filled on confining pressure cylinder component 6
3 control confining pressure cylinder horizontally moving devices 4 are put to transfer confining pressure cylinder component 6 into aluminium section bar stent 10, PLC control devices 3 control into
Water outlet pump 5 starts, and ionization aqueous drilling fluid 6.2 starts the cycle over, row's rope decentralization steel wire of the control row's rope electric hoist 9 of PLC control devices 3
Rope 8 and cable 7.7, and then electric pulse broken rock drill bit 7 is driven to decline, when the low-field electrode 7.4 and high pressure of electric pulse broken rock drill bit 7
Electrode 7.5 is ionized aqueous drilling fluid 6.2 and is flooded completely until electric pulse broken rock drill bit 7 contacts 6.3 surface of rock sample, pulse electricity
Source 2 starts to power to high-field electrode 7.5, and then carries out high electric field pulse discharge test, completes the experiment of high pressure pulse discharge broken rock
Afterwards, each subsystem resets to original state.When ionization aqueous drilling fluid 6.2 starts the cycle over, out of left side injection groove, right side is taken out
Go out.
Embodiment 2：A kind of electric pulse broken rock drill bit of the present invention and electric pulse broken rock experimental provision, structure and embodiment 1
Identical, electric pulse broken rock drill bit 7 contacts 6.3 surface of rock sample, and the pulse power 2 is supplied to low-field electrode 7.4 and high-field electrode 7.5
Electricity, when meeting certain condition, the breakdown voltage of rock is forced down than the breakdown potential of ionizing water, and high electric field pulse punctures rock first,
The plasma channel of electric discharge is generated in rock interior, the energy of high electric field pulse is discharged into plasma channel, and to channel
Heating, plasma channel expanded by heating, and do work to the rock mass of surrounding.When stress is more than the stress intensity of rock, rock is broken
It is broken.Electric pulse broken rock drill bit 7 contains multiple low-field electrodes 7.4, and high-field electrode 7.5 is simultaneously along different sections in rock sample
6.3 inside generate discharge channel, and electric pulse broken rock drill bit 7 of the invention has the characteristics that efficiency of breaking rock height, wide adaptation range.
The present invention relates to a kind of electric pulse broken rock drill bit and electric pulse broken rock experimental provision, equipped with confining pressure pumping plant, pulse electricity
Source, PLC control devices, confining pressure cylinder horizontally moving device, disengaging water pump, confining pressure cylinder component, high electric field pulse broken rock drill bit etc. are high
The pulse power is pressed, by cable transmission to high-field electrode and low-field electrode, to meet the high-voltage pulse of certain condition for high-voltage pulse electric
Electricity first punctures rock, generates discharge channel, plasma channel expanded by heating, when stress is more than the stress intensity of rock, rock
It is broken, realize high pressure pulse discharge drilling；High electric field pulse broken rock experimental provision can simulate the high pressure of earth interior deep drilling
Environment to carrying out electric pulse drilling experiment in high temperature high pressure deep well and ultradeep well closer to actual well drilled environment, can be realized to depth
Well, ultradeep well mesohigh electric pulse broken rock bit electrode geometry, distribution, spacing and electrode material etc. experimental study,
High pressure pulse discharge broken rock drilling has vast potential for future development.
The embodiment of the present invention is described above in conjunction with attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned specific embodiment is only schematical rather than restricted, those of ordinary skill in the art
Under the enlightenment of the present invention, present inventive concept and scope of the claimed protection are not being departed from, can also made very much
Form, these are belonged within the protection of the present invention.
Claims (7)
1. a kind of electric pulse broken rock drill bit, which is characterized in that including insulation tube, outer tube is arranged on insulation tube, insulation tube is hollow,
It is described it is hollow in be disposed with cable, the high-field electrode positioned at the electric pulse broken rock drill bit lower end is electrically connected in the cable
And low-field electrode, and be pierced by from the upper end of the insulation tube, the lower end of the electric pulse broken rock drill bit also has collets, low
Piezoelectricity pole is set on collets, and collets are located on the outer tube, and the outer tube is kept apart with low-field electrode.
2. electric pulse broken rock drill bit according to claim 1, which is characterized in that on the upper end of the electric pulse broken rock drill bit
With lifting lug.
3. electric pulse broken rock drill bit according to claim 1, which is characterized in that the high-field electrode is fixed on insulation tube
Lower end, the electric pulse broken rock drill bit have multigroup collets and the low-field electrode.
4. a kind of electric pulse broken rock experimental provision, which is characterized in that including：
Such as claim 1-3 any one of them electric pulse broken rock drill bits；
Confining pressure cylinder component, including confining pressure cylinder, ionization aqueous drilling fluid, rock sample, confining pressure cylinder provides confining pressure for the rock sample,
Ionization aqueous drilling fluid provides dielectric between the high-field electrode and low-field electrode of the electric pulse broken rock drill bit, and carries and make worn out because of walking
Fragmentary debris；
Confining pressure pumping plant provides pressure oil for the confining pressure cylinder component, realizes the pressure environment by confining pressure cylinder component simulation rock；
The pulse power is electrically connected with the cable of the electric pulse broken rock drill bit, pulse is provided for the electric pulse broken rock drill bit
Electricity；
Confining pressure cylinder horizontally moving device, the confining pressure cylinder are located on the confining pressure cylinder horizontally moving device and can be in confining pressure cylinder levels
It is moved horizontally in mobile device；
Water pump is passed in and out, the ionization aqueous drilling fluid and the ionization aqueous drilling fluid are provided when realizing and drilling experiment is crushed to electric pulse
Cycle；
Steel wire rope connects lifting lug；
Row's rope electric hoist, arranges and winds the steel wire rope and the cable on the roller of rope electric hoist, realize the steel wire rope and institute
The synchronous decentralization and recycling of cable are stated, and then is realized and is promoted and transfer the electric pulse broken rock drill bit and passed by the cable
Defeated pulse electricity；
PLC control devices for controlling confining pressure pumping plant, disengaging water pump and row's rope electric hoist, confining pressure cylinder horizontally moving device, are realized
To the start-up and shut-down control of confining pressure pumping plant, disengaging water pump, the row for arranging rope electric hoist restricts decentralization with recycling, confining pressure cylinder horizontally moving device
It moves horizontally.
5. electric pulse broken rock experimental provision according to claim 4, which is characterized in that further include：
Stent, row's rope electric hoist are located at the top of the stent, and confining pressure cylinder horizontally moving device is located under the stent
Portion, the electric pulse broken rock drill bit are hung by the steel wire rope between the top and lower part that are located at the stent.
6. electric pulse broken rock experimental provision according to claim 5, which is characterized in that the lower part of the stent, which has, leads
Rail, has sliding groove on the confining pressure cylinder horizontally moving device, and the guide rail can carry out horizontal slip along the sliding groove.
7. electric pulse broken rock experimental provision according to claim 4, which is characterized in that the top of the rock sample is formed
One groove, the ionization aqueous drilling fluid are located in the groove；In drilling, the lower end of the electric pulse broken rock drill bit is located at
In the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810050668.5A CN108222838B (en) | 2018-01-18 | 2018-01-18 | Rock breaking experimental device of electric pulse rock breaking drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810050668.5A CN108222838B (en) | 2018-01-18 | 2018-01-18 | Rock breaking experimental device of electric pulse rock breaking drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108222838A true CN108222838A (en) | 2018-06-29 |
| CN108222838B CN108222838B (en) | 2023-04-07 |
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ID=62667688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810050668.5A Active CN108222838B (en) | 2018-01-18 | 2018-01-18 | Rock breaking experimental device of electric pulse rock breaking drill bit |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630020A (en) * | 2019-01-11 | 2019-04-16 | 中国石油大学(华东) | Multichannel high-low pressure composite plasma boring method |
| CN109736710A (en) * | 2019-01-09 | 2019-05-10 | 中国石油大学(华东) | Multichannel high-low pressure composite plasma broken rock drill bit |
| CN109958392A (en) * | 2019-03-17 | 2019-07-02 | 东北石油大学 | Joint high voltage discharge type drilling rig and boring method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101231226A (en) * | 2008-01-29 | 2008-07-30 | 成都理工大学 | Rock high pressure infiltration experiment system |
| CN202596572U (en) * | 2012-06-06 | 2012-12-12 | 浙江大学 | Well drilling rod and pulse plasma drilling machine system |
| CN203685174U (en) * | 2014-01-26 | 2014-07-02 | 西南石油大学 | Deep well and ultra-deep well drilling rock drillability testing device |
| CA2972618A1 (en) * | 2016-07-08 | 2018-01-08 | Flexidrill Limited | Vibratory apparatus for drilling apparatus |
-
2018
- 2018-01-18 CN CN201810050668.5A patent/CN108222838B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101231226A (en) * | 2008-01-29 | 2008-07-30 | 成都理工大学 | Rock high pressure infiltration experiment system |
| CN202596572U (en) * | 2012-06-06 | 2012-12-12 | 浙江大学 | Well drilling rod and pulse plasma drilling machine system |
| CN203685174U (en) * | 2014-01-26 | 2014-07-02 | 西南石油大学 | Deep well and ultra-deep well drilling rock drillability testing device |
| CA2972618A1 (en) * | 2016-07-08 | 2018-01-08 | Flexidrill Limited | Vibratory apparatus for drilling apparatus |
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