CN108661554B - Based on plasma channel and mechanical drilling tool combined unit and its boring method - Google Patents
Based on plasma channel and mechanical drilling tool combined unit and its boring method Download PDFInfo
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- CN108661554B CN108661554B CN201810449371.6A CN201810449371A CN108661554B CN 108661554 B CN108661554 B CN 108661554B CN 201810449371 A CN201810449371 A CN 201810449371A CN 108661554 B CN108661554 B CN 108661554B
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- 238000005553 drilling Methods 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000012530 fluid Substances 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 10
- 239000011435 rock Substances 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 5
- 102000016938 Catalase Human genes 0.000 claims description 4
- 108010053835 Catalase Proteins 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 claims description 4
- 230000001934 delay Effects 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 230000035515 penetration Effects 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 102000004310 Ion Channels Human genes 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000000126 substance 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
- E21B7/00—Special methods or apparatus for drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/003—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings with electrically conducting or insulating means
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to one kind based on plasma channel and mechanical drilling tool combined unit and its boring method, double interior room connecting rods inner cavity therein based on plasma channel and mechanical drilling tool combined unit is separated into closed electric panel room and fluid passage, and electrical sensing device is equipped in electric panel room；Double interior room connecting rods upper end is sequentially connected drilling rod, turntable, drilling rod inner wall has cable passage, cable passes through cable passage and connect with electrical indoor DC power supply, double interior room connecting rods lower end is sequentially connected pressure telescopic rod, drill bit, pressure sensitive device is installed, pressure sensitive device is connect with electrical sensing device, is provided with partition in the central ports of drill bit on pressure telescopic rod, partition side is partition-type hydrophthalmia, and grounding electrode and high-field electrode are mounted on the partition other side and expose；Electrical indoor electrode connection device lower end enters drill bit, and connect respectively with grounding electrode, high-field electrode.The present invention realizes drill bit, high-field electrode and grounding electrode and works at the same time.
Description
Technical field:
The present invention relates to drilling engineering fields, and in particular to one kind based on plasma channel and mechanical drilling tool combined unit and
Its boring method.
Background technique:
Plasma is referred to as form existing for the 4th kind of substance, it is by electronics, ion, free radical and neutral particle
The conductive fluid of composition, plasma channel drilling well are by DC power supply, capacitor, and the devices such as resistance, inductance and electrode generate
Plasma carry out fractured rock, this technology is perfect not enough, and energy consumption is huge.But if by plasma channel drilling well and
Mechanical drill, which is united, to be formed a kind of new drilling mode and can be reduced energy consumption, and the drilling speed of traditional drilling well can also be improved
Degree, therefore is directed to problem above, designs a kind of plasma channel drilling mode and drill bit just shows necessary.
Summary of the invention:
It is an object of the present invention to provide one kind based on plasma channel and mechanical drilling tool combined unit, it is this based on etc.
Ion channel and mechanical drilling tool combined unit are for solving plasma channel drilling well or mechanical drill drilling well in the prior art only
The problem of single work, it is a further object to provide this based on plasma channel and mechanical drilling tool combined unit
Boring method.
The technical solution adopted by the present invention to solve the technical problems is:
It is this based on plasma channel and mechanical drilling tool combined unit include drilling rod, double interior room connecting rods, pressure telescopic rod,
Drill bit, grounding electrode, high-field electrode, double interior room connecting rods inner cavity are separated into electric panel room and fluid passage, and electric panel room is envelope
It closes, electrical sensing device is installed in electric panel room；Double interior room connecting rods upper end jointed rod, drilling rod top are equipped with turntable,
Drilling rod inner wall has cable passage, and cable passes through cable passage and connect with electrical indoor DC power supply, double interior room connecting rods
Lower end connects pressure telescopic rod, and pressure telescopic rod is connect with drill bit, and pressure sensitive device, pressure sensitive are installed on pressure telescopic rod
Device is connect with electrical sensing device, and partition is provided in the central ports of drill bit, and partition side is partition-type hydrophthalmia, ground connection electricity
Pole and high-field electrode are mounted on the partition other side and expose；Electrical indoor electrode connection device lower end is flexible across pressure
Bar enters drill bit, and connect respectively with grounding electrode, high-field electrode.
Electrical sensing device includes capacitor in above scheme, capacitor pass through respectively cable and electrode connection device,
Trigger switch, DC power supply connection, DC power supply are connect by cable with pressure sensitive device, resistance device one end, resistance
The other end of device is connected by cable with inductance device, and the other end of inductance device is connected by cable and trigger switch
It connects, trigger switch is connect by cable with electrode connection device；Earth brace one end passes through electrode connection device and grounding electrode
It is connected, the earth brace other end passes through double interior room connecting rod inner walls and contacts with the stratum of outside.
Double interior room connecting rods are connected by intermediate junction device with drilling rod in above scheme, and double interior room connecting rods have bottom
Plate is provided with drilling well fluid through-hole on the bottom plate, what the bottom plate of the bottom plate and electric panel room was integrated.
Above-mentioned to be based on plasma channel and mechanical drilling tool combined unit and its boring method, this method comprises the following steps:
It is that cable for DC power supply provides electric power support, capacitor, trigger switch, resistance device, inductance device, earth brace, electricity first
Pole attachment device, grounding electrode and high-field electrode generate high-voltage impact electric current, form plasma channel, drilling rod inner wall design electricity
Cable channel is designed double interior room connecting rods on drill bit, high-field electrode and grounding electrode is set on drill bit, high-field electrode
Electrical sensing device is based on grounding electrode and is worked, and drill bit drives rotation by turntable, drilling rod, realizes drill bit, high-field electrode
It is worked at the same time with grounding electrode；
The entire drill bit of driven by rotary disc starts drilling well, using plasma channel drilling well and the mutually matched side of mechanical drilling tool drilling well
Formula carries out drilling well, and catalase is constantly gone out duct by high-field electrode and grounding electrode, and and then drill bit starts to creep into, high-voltage electricity
Pole and grounding electrode are mounted at partition-type hydrophthalmia, and partition-type hydrophthalmia provides the channel of drilling fluid, when encountering bad ground, pressure
Power telescopic rod has contraction by a small margin, provides the chance of a buffering for drill bit, reduces bit wear；
Signal is provided for the electric current power of DC power supply using pressure telescopic rod and pressure sensitive device, changes DC power supply
Become output current intensity, to change the intensity of plasma channel fractured rock, drilling efficiency and rate of penetration.
The utility model has the advantages that
1. the present invention is a kind of device and its boring method based on plasma channel and mechanical drilling tool combination drilling, use
The mode of plasma channel drilling well and mechanical drilling tool drilling well cooperation, makes up mutually respective disadvantage, reduces energy consumption, increase substantially
The speed of drilling well, while the abrasion of drill bit can be reduced, the time to make a trip is reduced, the drilling mode of the structure is reasonable, works
Reliably, easy to use.
2. the present invention uses partition-type hydrophthalmia, double interior room connecting rods, cable passage, drill bit, high-field electrode and grounding electrode
The condition worked at the same time is provided, pressure telescopic rod and pressure sensitive device can guarantee best fractured rock effect, mention
While high working efficiency, optimal bit speed ensure that, effective raising drilling efficiency.
3. the present invention is in order not to be only that high-field electrode and grounding electrode provide yard using the design of partition-type hydrophthalmia
Institute can also provide the channel of drilling fluid, and when encountering bad ground, pressure telescopic rod has contraction by a small margin, be drill bit
The chance of one buffering is provided, reduces bit wear, while pressure sensitive device provides signal to DC power supply, DC power supply changes
Become output current intensity, to increase the intensity of plasma channel fractured rock, guarantees drilling efficiency and rate of penetration.
Detailed description of the invention:
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the schematic diagram of internal structure of double interior room connecting rods of the invention.
Fig. 3 is the positional structure schematic diagram of high-field electrode and grounding electrode of the invention.
Fig. 4 is top perspective view of the invention.
In figure: 1. cables；2. cable passage；3. turntable；4. drilling rod；5. intermediate junction device；6. pair interior room connecting rod；
7. drill bit；8. pressure telescopic rod；9. capacitor；10. trigger switch；11. DC power supply；12. pressure sensitive device；13. resistance
Device；14. inductance device；15. earth brace；16. electrode connection device；17. cable；18. grounding electrode；19. high-field electrode；
20. partition-type hydrophthalmia；22. electric panel room；23. drilling well fluid through-hole.
Specific embodiment:
Following further describes the present invention with reference to the drawings:
In conjunction with shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, this plasma channel and mechanical drilling tool combined unit of being based on includes drilling rod
4, double interior room connecting rods 6, pressure telescopic rod 8, drill bit 7, grounding electrode 18, high-field electrode 19, double 6 inner cavities of interior room connecting rod are divided
Be divided into electric panel room 22 and fluid passage, electric panel room 22 be it is closed, electrical sensing device, double interior rooms are installed in electric panel room 22
Connecting rod 6 is connected by intermediate junction device 5 with drilling rod 4, and double interior room connecting rods 6 have bottom plate, is provided with drilling well on the bottom plate
What the bottom plate of fluid through-hole 23, the bottom plate and electric panel room 22 was integrated.Double 6 upper end jointed rods 4 of interior room connecting rod, 4 top of drilling rod
Turntable 3 is installed, 4 inner wall of drilling rod has a cable passage 2, cable 1 pass through cable passage 2 and with the DC power supply in electric panel room 22
11 connections, double 6 lower ends of interior room connecting rod connect pressure telescopic rod 8, and pressure telescopic rod 8 is connect with drill bit 7, on pressure telescopic rod 8
Pressure sensitive device 12 is installed, pressure sensitive device 12 is connect with electrical sensing device, when encountering bad ground, pressure telescopic rod
8 have contraction by a small margin, provide the chance of a buffering for drill bit 7, reduce drill bit 7 and wear, pressure sensitive device 12 is to straight
Galvanic electricity source 11 provides signal, and DC power supply 11 changes output current intensity, thus increase the intensity of plasma channel fractured rock,
Guarantee drilling efficiency and rate of penetration.
Refering to Fig. 3, partition is provided in the central ports of drill bit 7, partition side is partition-type hydrophthalmia, 18 He of grounding electrode
High-field electrode 19 is mounted on the partition other side and exposes, and the design of cellular-type hydrophthalmia is in order not to be only 19 He of high-field electrode
Grounding electrode 18 provides workplace, can also provide the channel of drilling fluid；Under electrode connection device 16 in electric panel room 22
End enters drill bit 7 across pressure telescopic rod 8, and connect respectively with grounding electrode 18, high-field electrode 19.
4 inner wall of drilling rod designs cable passage 2, and double interior room connecting rods 6 and electrical sensing device are designed on drill bit 7,
Realize that high-field electrode 19 and grounding electrode 18 work independently, drill bit 7 drives rotation by turntable 3, drilling rod 4, realizes drill bit 7, height
Piezoelectricity pole 19 and grounding electrode 18 work at the same time.
Referring to Fig.2, electrical sensing device includes capacitor 9, capacitor 9 passes through cable 17 and electrode connection device respectively
16, trigger switch 10, DC power supply 11 connect, and DC power supply 11 passes through the cable 17 and pressure sensitive device 12, electricity
The connection of 13 one end of device is hindered, pressure sensitive device is used to provide signal for the power of the electric current of DC power supply 11, guarantees drilling effect
Rate can also reduce the abrasion of drill bit 7, and the other end of resistance device is connected by the cable 17 with inductance device 14, electricity
The other end of induction device 14 is connect by the cable 17 with trigger switch 10, and trigger switch 10 passes through the cable
17 connect with electrode connection device 16, and 15 one end of earth brace is connected by electrode connection device 16 with grounding electrode 18, earth brace
15 other ends pass through double 6 inner walls of interior room connecting rod and contact with the stratum of outside.
Cable 1 is that DC power supply 11 provides electric power support, capacitor 9, trigger switch 10, resistance device 13, inductance device
14, earth brace 15, electrode connection device 16, grounding electrode 18 and high-field electrode 19 generate high-voltage impact electric current, formed etc. from
Subchannel, while the entire drill bit 7 of driven by rotary disc starts drilling well, plasma channel drilling well and the mode of mechanical drilling tool drilling well cooperation are bored
Well increases substantially rate of penetration.
This boring method based on plasma channel and mechanical drilling tool combined unit, this method is: being that cable 1 is first
DC power supply 11 provides electric power support, capacitor 9, trigger switch 10, resistance device 13, inductance device 14, earth brace 15, electrode
Attachment device 16, grounding electrode 18 and high-field electrode 19 generate high-voltage impact electric current, form plasma channel, 4 inner wall of drilling rod
Cable passage 2 is designed, double interior room connecting rods 6 are designed on drill bit 7, high-field electrode 19 and grounding electrode 18 are set to brill
On first 7, realizes drill bit 7, high-field electrode 19 and grounding electrode 18 and work at the same time；
Turntable 3 drives entire drill bit 7 to start drilling well, mutually matched using plasma channel drilling well and mechanical drilling tool drilling well
Mode carries out drilling well, and catalase is constantly gone out duct by high-field electrode 19 and grounding electrode 18, and then drill bit 7 starts to bore
Into, high-field electrode 19 and grounding electrode 18 are mounted at partition-type hydrophthalmia 20, and partition-type hydrophthalmia 20 provides the channel of drilling fluid,
When encountering bad ground, pressure telescopic rod 8 has contraction by a small margin, provides the chance of a buffering for drill bit 7, reduces drill bit
7 abrasions；
Signal is provided for the electric current power of DC power supply 11 using pressure telescopic rod 8 and pressure sensitive device 12, makes direct current
Power supply 11 changes output current intensity, to change the intensity of plasma channel fractured rock, drilling efficiency and rate of penetration.
The present invention carries out drilling well, high-field electrode 19 and ground connection electricity by way of plasma channel and the grinding cooperation of drill bit 7
Catalase is constantly gone out duct by pole 18, and then drill bit 7 starts to creep into, and increases substantially rate of penetration, is reduced drill bit 7 and is ground
Damage, makes up mutually respective disadvantage, forms a kind of novel drilling mode.
Claims (4)
1. one kind is based on plasma channel and mechanical drilling tool combined unit, it is characterized in that: this based on plasma channel and mechanical
Drilling tool combined unit includes drilling rod (4), double interior room connecting rods (6), pressure telescopic rod (8), drill bit (7), grounding electrode (18), height
Piezoelectricity pole (19), double interior room connecting rod (6) inner cavities are separated into electric panel room (22) and fluid passage, and electric panel room (22) is closing
, electrical sensing device is installed in electric panel room (22)；Double interior room connecting rod (6) upper end jointed rods (4), drilling rod (4) top
Be equipped with turntable (3), drilling rod (4) inner wall have cable passage (2), cable (1) pass through cable passage (2) and with electric panel room (22)
Interior DC power supply (11) connection, double interior room connecting rod (6) lower ends connect pressure telescopic rod (8), pressure telescopic rod (8) and drill bit
(7) it connects, pressure sensitive device (12) is installed on pressure telescopic rod (8), pressure sensitive device (12) and electrical sensing device connect
It connects, partition is provided in the central ports of drill bit (7), partition side is partition-type hydrophthalmia, grounding electrode (18) and high-field electrode
(19) it is mounted on the partition other side and exposes；Electrode connection device (16) lower end in electric panel room (22) is flexible across pressure
Bar (8) enters drill bit (7), and connect respectively with grounding electrode (18), high-field electrode (19).
2. it is according to claim 1 based on plasma channel and mechanical drilling tool combined unit, it is characterized in that: described is electrical
Sensing device includes capacitor (9), and capacitor (9) passes through cable (17) and electrode connection device (16), trigger switch respectively
(10), DC power supply (11) connects, and DC power supply (11) passes through cable (17) and pressure sensitive device (12), resistance device
(13) one end connects, and the other end of resistance device (13) is connected by cable (17) with inductance device (14), inductance device
(14) the other end is connect by cable (17) with trigger switch (10), and trigger switch (10) passes through cable (17) and electrode
Attachment device (16) connection；Earth brace (15) one end is connected by electrode connection device (16) with grounding electrode (18), earth brace
(15) other end passes through double interior room connecting rod (6) inner walls and contacts with the stratum of outside.
3. it is according to claim 1 based on plasma channel and mechanical drilling tool combined unit, it is characterized in that: described is double interior
Room connecting rod (6) is connected by intermediate junction device (5) with drilling rod (4), and double interior room connecting rods (6) are with bottom plate, on the bottom plate
It is provided with drilling well fluid through-hole (20), what the bottom plate of the bottom plate and electric panel room (22) was integrated.
4. the boring method described in a kind of one of claim 1-3 based on plasma channel and mechanical drilling tool combined unit,
Be characterized in: this method comprises the following steps:
Be first cable (1) be DC power supply (11) provide electric power support, capacitor (9), trigger switch (10), resistance device
(13), inductance device (14), earth brace (15), electrode connection device (16), grounding electrode (18) and high-field electrode (19) generate
High-voltage impact electric current forms plasma channel, and drilling rod inner wall designs cable passage (2), is designed in double on drill bit (7)
High-field electrode (19) and grounding electrode (18) are set on drill bit (7) by room connecting rod (6), high-field electrode (19) and ground connection electricity
Pole (18) be based on electrical sensing device and work, drill bit (7) by turntable (3), drilling rod (4) drive rotation, realize drill bit (7),
High-field electrode (19) and grounding electrode (18) work at the same time；
Turntable (3) drives entire drill bit (7) to start drilling well, mutually matched using plasma channel drilling well and mechanical drilling tool drilling well
Mode carries out drilling well, and catalase is constantly gone out duct by high-field electrode (19) and grounding electrode (18), and drill bit (7) is and then opened
Begin drilling, and high-field electrode (19) and grounding electrode (18) are mounted at partition-type hydrophthalmia (20), and partition-type hydrophthalmia (20) provides
The channel of drilling fluid, when encountering bad ground, pressure telescopic rod (8) has contraction by a small margin, provides one for drill bit (7) and delays
The chance of punching reduces drill bit (7) abrasion；
Signal is provided for the electric current power of DC power supply (11) using pressure telescopic rod (8) and pressure sensitive device (12), is made straight
Galvanic electricity source (11) changes output current intensity, thus change the intensity of plasma channel fractured rock, drilling efficiency and drilling speed
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810449371.6A CN108661554B (en) | 2018-05-11 | 2018-05-11 | Based on plasma channel and mechanical drilling tool combined unit and its boring method |
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| CN201810449371.6A CN108661554B (en) | 2018-05-11 | 2018-05-11 | Based on plasma channel and mechanical drilling tool combined unit and its boring method |
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| CN108661554A CN108661554A (en) | 2018-10-16 |
| CN108661554B true CN108661554B (en) | 2019-08-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109854175B (en) * | 2019-03-17 | 2020-08-04 | 东北石油大学 | Regional resonant drilling device and drilling method thereof |
| CN109958392B (en) * | 2019-03-17 | 2020-05-26 | 东北石油大学 | Combined high-voltage discharge type drilling device and drilling method |
| CN111841493A (en) * | 2020-06-24 | 2020-10-30 | 东南大学 | Quality improving device for increasing oxygen-containing functional groups of activated carbon |
| CN112593849B (en) * | 2020-12-16 | 2022-05-03 | 西南石油大学 | Electric pulse-mechanical composite rock breaking drill bit for deep difficult-to-drill stratum |
| CN112576196B (en) * | 2021-01-07 | 2021-09-28 | 东北石油大学 | Ultrasonic and mechanical drilling tool based combined device and drilling method thereof |
| CN113187405B (en) * | 2021-06-02 | 2023-08-18 | 辽宁石油化工大学 | Hydraulic drive multi-dimensional plasma combined drill bit and drilling method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7527108B2 (en) * | 2004-08-20 | 2009-05-05 | Tetra Corporation | Portable electrocrushing drill |
| US8172006B2 (en) * | 2004-08-20 | 2012-05-08 | Sdg, Llc | Pulsed electric rock drilling apparatus with non-rotating bit |
| CN102733754B (en) * | 2012-06-28 | 2014-05-21 | 浙江大学 | Pulse plasma drilling machine system |
| CN106164413B (en) * | 2014-04-03 | 2019-06-11 | 绿色科学有限公司 | Utilize the fracturing device and its shale gas extracting process of plasma reaction shock wave |
| US10370903B2 (en) * | 2016-01-20 | 2019-08-06 | Baker Hughes, A Ge Company, Llc | Electrical pulse drill bit having spiral electrodes |
| JP2018053573A (en) * | 2016-09-29 | 2018-04-05 | 国立研究開発法人海洋研究開発機構 | Ground excavator |
| CN106703682B (en) * | 2017-03-17 | 2018-10-16 | 吉林大学 | A kind of plasma surges dynamic rotation drilling tool |
| CN106837176B (en) * | 2017-03-22 | 2023-10-03 | 中国矿业大学(北京) | Laser rock breaking method and device for drilling |
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