CN105888624A - Carbon dioxide phase-change coal seam cracking guiding perforating device and outburst-preventing and scour-preventing method - Google Patents
Carbon dioxide phase-change coal seam cracking guiding perforating device and outburst-preventing and scour-preventing method Download PDFInfo
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- CN105888624A CN105888624A CN201610265919.2A CN201610265919A CN105888624A CN 105888624 A CN105888624 A CN 105888624A CN 201610265919 A CN201610265919 A CN 201610265919A CN 105888624 A CN105888624 A CN 105888624A
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- coal seam
- carbon dioxide
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 239000003245 coal Substances 0.000 title claims abstract description 84
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 47
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005336 cracking Methods 0.000 title abstract 7
- 238000004880 explosion Methods 0.000 claims abstract description 42
- 238000013022 venting Methods 0.000 claims abstract description 39
- 230000009466 transformation Effects 0.000 claims description 48
- 239000000428 dust Substances 0.000 claims description 37
- 238000007789 sealing Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 14
- 238000004080 punching Methods 0.000 claims description 14
- 230000002459 sustained effect Effects 0.000 claims description 9
- 238000005553 drilling Methods 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 4
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 claims description 2
- 229960004424 carbon dioxide Drugs 0.000 claims 10
- 238000005538 encapsulation Methods 0.000 claims 2
- 229910002090 carbon oxide Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 9
- 241000209094 Oryza Species 0.000 description 6
- 235000007164 Oryza sativa Nutrition 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 235000009566 rice Nutrition 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 235000013339 cereals Nutrition 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- 241000589902 Leptospira Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000003380 propellant Substances 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 241000283868 Oryx Species 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003721 gunpowder Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000011435 rock 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/263—Methods for stimulating production by forming crevices or fractures using explosives
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention relates to a carbon dioxide phase-change coal seam cracking guiding perforating device and an outburst-preventing and scour-preventing method. The carbon dioxide phase-change coal seam cracking guiding perforating device comprises a carbon dioxide phase-change coal seam cracking instrument and is characterized in that a perforating bullet is arranged in an explosion venting hole of the carbon dioxide phase-change coal seam cracking instrument and the explosion venting hole is plugged by a plug. The invention also provides the outburst-preventing and scour-preventing method. The device combined with the outburst-preventing and scour-preventing method provided by the invention is used for guiding the high energy gas through a perforating bullet track, so that the cracking effect is better; the orientation arrangement is adopted, so that the permeability is added to the perforating bullet track; the blast hole and the control hole are arranged, so that the cracks surrounding the blast hole and the control hole are more effectively communicated with each other; the cracking area is increased due to the fan-shaped arrangement.
Description
Technical field
The present invention relates to colliery preventing and treating coal and gas prominent, preventing and treating bump device and method, particularly to
Carbon dioxide phase transformation coal seam fracturing guides perforating system and protrusion-dispelling and anti-punching method.
Background technology
At present, domestic be combined into seam perforating technology be primary is applied to oil field, general use built-in compound
Perforator, by the burning generation high energy gas of gunpowder as boosting power, injects oil and gas reservoir by metal medium,
Increasing rock mass gap, this technique ties up to hang under the conventional perforation body of a gun several sections of caseless cartridge, nothing of igniting while perforation
Shell bullet, makes perforating and fracturing once complete, and this technology is by perforating gun, perforating bullet, and propellant charge, in powder column
Fuzing system, armaments etc. form.
Oryx energy company of the U.S., ARCO (Atlantic Richfield Company) and marathon company have researched and developed super through for many years in the recent period
Overbalanced perforation technique, uses the ultra-positive pressure that Propellant combustion gas needs as Overpressure perforating technology, perforation
It is combined with high enegry gas fracturing and pushes a new stage to, in Development and Production later stage, high enegry gas fracturing and waterpower
Pressure break is combined, and high enegry gas fracturing is compound with acidifying own through being used by domestic several oil fields, all achieves good
Good effect.
Domestic 2015, Co., Ltd of Shenyang research institute of Mei Ke group applied for that " carbon dioxide phase transformation coal seam causes
Split device and Application way " patent (application number: 201510556527.7).Disclose technical scheme, relate to coal
Body fracturing, anti-reflection, protrusion-dispelling technology and device.Owing to cable is in cable trunking, or cable one pole exists
In cylinder, other one extremely cylinder, or cable is all in cylinder, provides Application way simultaneously, will
When coal seam fracturing boring sent into by carbon dioxide phase transformation coal seam fracturing device, can rotate with rig or directly push boring,
Avoid cable and cause broken string when its external connection, without other equipment special, send into the degree of depth of boring
Unrestricted, operating efficiency is high, highly reliable, uses leptospira structure, directly rotates into coal body and reduces ring of drilling
Joint, leptospira structure is beneficial to arrange powder, simultaneously mutually the most embedding with coal body, improves gas load and thoroughly solves
Determine the difficult problem only flown, highly reliable.Owing to fracturing relies only on gas itself, and pertain only to single hole fracturing,
Fracturing passage is linked up limited.
Summary of the invention
It is an object of the invention to overcome prior art deficiency to provide a kind of carbon dioxide phase transformation coal seam fracturing to guide
Perforating system and protrusion-dispelling and anti-punching method.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of carbon dioxide phase transformation coal seam
Fracturing guides perforating system, and including carbon dioxide phase transformation coal seam fracturing device, feature is: carbon dioxide phase transformation
Placing perforating bullet in the venting of dust explosion hole of coal seam fracturing device, venting of dust explosion hole plug blocks.
Wherein: placing perforating bullet encapsulating material in venting of dust explosion hole and block, venting of dust explosion hole plug uses plastic material.
Wherein: encapsulating material is yellow clay or resin, perforating bullet is porous ceramic grain.
A kind of protrusion-dispelling and anti-punching method, feature is: include 1. starting at driving face sustained height of meeting head on,
Parallel roof equidistantly makes a call to one group of fan drilling, is made up of with control hole blast hole, each blast hole both sides
For control hole, 2. fracturing guiding perforating system in one carbon dioxide phase transformation coal seam is inserted all blast holes, make
Alignment both sides, venting of dust explosion hole control hole, after blast hole sealing of hole, fracturing of simultaneously detonating coal body.
A kind of protrusion-dispelling and anti-punching method, feature is: is included in driving face sustained height of meeting head on and starts,
Parallel roof equidistantly makes a call to one group of fan drilling, is made up of with control hole blast hole, each blast hole both sides
For control hole, fracturing guiding perforating system in one carbon dioxide phase transformation coal seam is inserted middle blast hole, makes to let out
Blast hole alignment both sides control hole, after this blast hole sealing of hole, after fracturing of detonating coal body, then by one titanium dioxide
Carbon phase transformation coal seam fracturing guides perforating system and inserts the blast hole closing on middle blast hole, makes venting of dust explosion hole alignment two
Side control hole, after this blast hole sealing of hole, fracturing of detonating coal body, the fracturing coal body until all blast holes detonate.
A kind of protrusion-dispelling and anti-punching method, feature is: is included in driving face and meets head on to open in the middle of sustained height
Beginning, parallel roof makes a call to a blast hole, and blast hole both sides are the most each makes a call to a control hole, by one titanium dioxide
After carbon phase transformation coal seam fracturing guiding perforating system inserts blast hole, make alignment both sides, venting of dust explosion hole control hole, should
After blast hole sealing of hole, fracturing of detonating coal body, more equidistantly order makes a call to a control hole, quick-fried in a control hole side
Holes, a control hole, then fracturing guiding perforating system in one carbon dioxide phase transformation coal seam is inserted one explosion
Hole, makes alignment both sides, venting of dust explosion hole control hole, after this blast hole sealing of hole, fracturing of detonating coal body, until all
Blast hole detonates fracturing coal body, and the one group of boring being made up of blast hole and control hole is fan-shaped.
The invention has the beneficial effects as follows: a kind of carbon dioxide phase transformation coal seam fracturing guides perforating system, its titanium dioxide
Placing perforating bullet 27 encapsulating material 28 in the venting of dust explosion hole 3 of carbon phase transformation coal seam fracturing device to block, venting of dust explosion hole is used
Plug 29 blocks, in conjunction with a kind of protrusion-dispelling provided and anti-punching method, by perforating bullet 27 track to high energy gas
Body guides so that fracturing effect is more preferable, and orientation setting makes perforating bullet 27 track further increase permeability, explosion
Hole and the setting of control hole, make blast hole more effectively connect with the crack around control hole, and fan-shaped layout increases
Fracturing area.
Accompanying drawing explanation
The present invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1. carbon dioxide phase transformation coal seam of the present invention fracturing guides perforating system structural representation；
Fig. 2. protrusion-dispelling of the present invention and anti-punching method boring arrangement schematic diagram.
In figure: 1. blast hole one；2. blast hole two；3. venting of dust explosion hole；4. control hole one；5. control hole two；
6. control hole three；7. control hole four；8. control hole five；9. control hole six；10. driving face；27.
Perforating bullet；28. potting resins；29. Plastic caps；30. blast holes three.
Detailed description of the invention
Embodiment one
Seeing Fig. 1, a kind of carbon dioxide phase transformation coal seam fracturing guides perforating system, including carbon dioxide phase transformation coal
Layer fracturing device, feature is: place perforating bullet 27 in the venting of dust explosion hole 3 of carbon dioxide phase transformation coal seam fracturing device,
Venting of dust explosion hole plug 29 blocks.
Wherein: placing perforating bullet 27 encapsulating material 28 in venting of dust explosion hole 3 and block, venting of dust explosion hole plug 29 makes
Use plastic material.
Wherein: encapsulating material 28 is yellow clay, perforating bullet 27 is porous ceramic grain.
Embodiment two
Seeing Fig. 1, a kind of carbon dioxide phase transformation coal seam fracturing guides perforating system, including carbon dioxide phase transformation coal
Layer fracturing device, feature is: place perforating bullet 27 in the venting of dust explosion hole 3 of carbon dioxide phase transformation coal seam fracturing device,
Venting of dust explosion hole plug 29 blocks.
Wherein: placing perforating bullet 27 encapsulating material 28 in venting of dust explosion hole 3 and block, venting of dust explosion hole plug 29 makes
Use plastic material.
Wherein: encapsulating material 28 is resin, perforating bullet 27 is porous ceramic grain.
Embodiment three
Seeing Fig. 2, a kind of protrusion-dispelling and anti-punching method, including 1. meeting head on sustained height 1 at driving face 10
Rice starts, and equidistant 0.5 meter of parallel roof makes a call to one group of fan drilling, is made up of with control hole blast hole,
Each blast hole both sides are control hole, particular order be control hole 1, blast hole 1, control hole 25,
Control hole 36, blast hole 22, control hole 47, control hole 58, blast hole 3 30, control hole 69,
2. fracturing guiding perforating system in one carbon dioxide phase transformation coal seam is inserted all blast holes, including blast hole one
1, blast hole 22, blast hole 3 30, the carbon dioxide phase transformation coal seam fracturing in blast hole 1 guides perforation
Two venting of dust explosion holes 3 of device are respectively aligned to control hole 1, control hole 25, the titanium dioxide in blast hole 22
Carbon phase transformation coal seam fracturing guides two venting of dust explosion holes 3 of perforating system and is respectively aligned to control hole 36, control hole 47,
Carbon dioxide phase transformation coal seam fracturing in blast hole 3 30 guides two venting of dust explosion holes 3 of perforating system and is respectively aligned to
Control hole 58, control hole 69, after blast hole 1, blast hole 22, blast hole 3 30 sealing of hole, with
Time detonate fracturing coal body.
Wherein: face width L=5 rice, crack conducting affects distance L of tunnel sidewallLeft=LRight=15 meters,
The shortest drillable length is 50 meters, blast hole diameter 0.075 meter, blast hole bag type paste hole packer sealing of hole,
Sealed borehole length 8 meters.
Embodiment four
See Fig. 2, a kind of protrusion-dispelling and anti-punching method, it is included in driving face 10 and meets head on sustained height 1.1
Rice starts, and equidistant 0.5 meter of parallel roof makes a call to one group of fan drilling, is made up of with control hole blast hole,
Each blast hole both sides are control hole, particular order be control hole 1, blast hole 1, control hole 25,
Control hole 36, blast hole 22, control hole 47, control hole 58, blast hole 3 30, control hole 69,
Fracturing guiding perforating system in one carbon dioxide phase transformation coal seam is inserted middle blast hole 22, makes carbon dioxide phase
The venting of dust explosion hole 3 becoming coal seam fracturing guiding perforating system is directed at both sides control hole 36, control hole 47, by explosion
After the sealing of hole of hole 22, after fracturing of detonating coal body, then one carbon dioxide phase transformation coal seam fracturing is guided perforation dress
Insert the blast hole 1 closing on middle blast hole, make carbon dioxide phase transformation coal seam fracturing guide perforating system
Venting of dust explosion hole 3 is directed at both sides control hole 1, control hole 25, after blast hole 1 sealing of hole, and fracturing of detonating coal
After body, then fracturing guiding perforating system in a kind of carbon dioxide phase transformation coal seam is inserted close on the quick-fried of middle blast hole
Holes 3 30, the venting of dust explosion hole 3 making carbon dioxide phase transformation coal seam fracturing guide perforating system is directed at both sides control hole
58, control hole 69, after blast hole 3 30 sealing of hole, fracturing of detonating coal body, make all blast holes detonate
Fracturing coal body completes.
Wherein: face width L=5 rice, crack conducting affects distance L of tunnel sidewallLeft=LRight=15.2 meters,
The shortest drillable length is 60 meters, blast hole diameter 0.113 meter, blast hole bag type paste hole packer sealing of hole,
Sealed borehole length 8.5 meters.
Embodiment five
See Fig. 2, a kind of protrusion-dispelling and anti-punching method, it is included in driving face 10 and meets head on sustained height 0.9
Rice in the middle of starts, parallel roof makes a call to a blast hole 22, blast hole both sides equidistant 0.48 meter each make a call to one control
Drilling 36, control hole 47, insert blast hole by one carbon dioxide phase transformation coal seam fracturing guiding perforating system
After 22, the venting of dust explosion hole 3 making carbon dioxide phase transformation coal seam fracturing guide perforating system be directed at both sides control hole 36,
Control hole 47, after blast hole 22 sealing of hole, after fracturing of detonating coal body, then in control hole 47 side etc.
Control hole 58, one blast hole 3 30, control hole 69 is made a call to away from 0.48 meter of order, then by one dioxy
Change carbon phase transformation coal seam fracturing guiding perforating system and insert one blast hole 3 30, make carbon dioxide phase transformation coal seam cause
The venting of dust explosion hole 3 splitting guiding perforating system is directed at both sides control hole 58, control hole 69, by blast hole 3 30
After sealing of hole, after fracturing of detonating coal body, then make a call to a control hole in an equidistant 0.48 meter of order in control hole 36 side
25, one blast hole one 1, control hole 1, then one carbon dioxide phase transformation coal seam fracturing is guided perforation
Device inserts one blast hole 1, and the venting of dust explosion hole 3 making carbon dioxide phase transformation coal seam fracturing guiding perforating system is right
Quasi-both sides control hole 25, control hole 1, after blast hole 1 sealing of hole, fracturing of detonating coal body completes, by
Blast hole is sector with one group of boring of control hole composition.
Wherein: face width L=4.8 rice, crack conducting affects distance L of tunnel sidewallLeft=LRight=15 meters,
The shortest drillable length is 62 meters, blast hole diameter 0.094 meter, blast hole bag type paste hole packer sealing of hole,
Sealed borehole length 8.3 meters.
Claims (7)
1. carbon dioxide phase transformation coal seam fracturing guides a perforating system, including carbon dioxide phase transformation coal seam fracturing device, is characterised by:
Placing perforating bullet in the venting of dust explosion hole of carbon dioxide phase transformation coal seam fracturing device, venting of dust explosion hole plug blocks.
A kind of carbon dioxide phase transformation coal seam the most according to claim 1 fracturing guides perforating system, it is characterised in that: venting of dust explosion
Placing perforating bullet encapsulating material in hole to block, venting of dust explosion hole plug uses plastic material.
A kind of carbon dioxide phase transformation coal seam the most according to claim 1 fracturing guides perforating system, it is characterised in that: encapsulation
Material is yellow clay or resin, and perforating bullet is porous ceramic grain.
A kind of carbon dioxide phase transformation coal seam the most according to claim 2 fracturing guides perforating system, it is characterised in that: encapsulation
Material is yellow clay or resin, and perforating bullet is porous ceramic grain.
5. protrusion-dispelling and an anti-punching method, is characterised by: include 1. starting at driving face sustained height of meeting head on, parallel coal seam
One group of fan drilling equidistantly made a call to by top board, is made up of with control hole blast hole, and each blast hole both sides are control hole, 2. by one two
Carbonoxide phase transformation coal seam fracturing guides perforating system and inserts all blast holes, makes alignment both sides, venting of dust explosion hole control hole, is sealed by blast hole
Kong Hou, fracturing of simultaneously detonating coal body.
6. protrusion-dispelling and an anti-punching method, is characterised by: being included in driving face sustained height of meeting head on and start, parallel coal seam is pushed up
One group of fan drilling equidistantly made a call to by plate, is made up of with control hole blast hole, and each blast hole both sides are control hole, by one titanium dioxide
Carbon phase transformation coal seam fracturing guides perforating system and inserts middle blast hole, makes alignment both sides, venting of dust explosion hole control hole, by this blast hole sealing of hole
After, after fracturing of detonating coal body, then fracturing guiding perforating system in a kind of carbon dioxide phase transformation coal seam is inserted close on middle blast hole
Blast hole, makes alignment both sides, venting of dust explosion hole control hole, after this blast hole sealing of hole, fracturing of detonating coal body, until all blast holes rise
Quick-fried fracturing coal body.
7. protrusion-dispelling and an anti-punching method, be characterised by: be included in driving face and meet head on to start in the middle of sustained height, parallel coal
A blast hole made a call to by layer top board, and blast hole both sides are the most each makes a call to a control hole, and one carbon dioxide phase transformation coal seam fracturing is guided perforation
After device inserts blast hole, make alignment both sides, venting of dust explosion hole control hole, after this blast hole sealing of hole, fracturing of detonating coal body, then one
Control hole side equidistantly order makes a call to a control hole, a blast hole, a control hole, then one carbon dioxide phase transformation coal seam fracturing is led
Insert one blast hole to perforating system, make alignment both sides, venting of dust explosion hole control hole, after this blast hole sealing of hole, fracturing of detonating coal body,
The fracturing coal body until all blast holes detonate, the one group of boring being made up of blast hole and control hole is fan-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265919.2A CN105888624A (en) | 2016-04-26 | 2016-04-26 | Carbon dioxide phase-change coal seam cracking guiding perforating device and outburst-preventing and scour-preventing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265919.2A CN105888624A (en) | 2016-04-26 | 2016-04-26 | Carbon dioxide phase-change coal seam cracking guiding perforating device and outburst-preventing and scour-preventing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105888624A true CN105888624A (en) | 2016-08-24 |
Family
ID=56705542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610265919.2A Pending CN105888624A (en) | 2016-04-26 | 2016-04-26 | Carbon dioxide phase-change coal seam cracking guiding perforating device and outburst-preventing and scour-preventing method |
Country Status (1)
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356167A (en) * | 2017-09-19 | 2017-11-17 | 中交公局厦门工程有限公司 | A kind of equidistant fan transfer blasting construction method in tunnel Tao Kuocao areas |
| CN107676092A (en) * | 2017-10-10 | 2018-02-09 | 山西煤炭运销集团长治有限公司 | A kind of liquid carbon dioxide phase transformation explosion rapid hole sealing device and method for sealing |
| CN108458634A (en) * | 2017-04-24 | 2018-08-28 | 中交公局厦门工程有限公司 | A kind of equidistant fan transfer blasting construction method in the areas tunnel Tao Kuocao |
| CN108506040A (en) * | 2018-03-06 | 2018-09-07 | 北京科技大学 | A kind of deep high stress tunnel pressure relief method based on carbon dioxide fracturing |
| CN108999596A (en) * | 2018-07-27 | 2018-12-14 | 辽宁工程技术大学 | A kind of supercritical CO2The method of point type jet impulse gas explosion fracturing coal and rock |
| CN110081786A (en) * | 2019-03-25 | 2019-08-02 | 大同煤矿集团有限责任公司 | Coal mine tight roof directional fracturing control method |
| WO2019174264A1 (en) * | 2018-03-12 | 2019-09-19 | 中国矿业大学 | Method for auxiliary tunneling by means of freezing shaft-sinking carbon dioxide phase change cracking and device therefor |
| CN111271065A (en) * | 2020-03-03 | 2020-06-12 | 中国矿业大学 | Method for forming roadway anti-impact weak structural layer through coal rock gas cracking |
| CN112627794A (en) * | 2020-12-14 | 2021-04-09 | 重庆大学 | Acidification outburst elimination effect evaluation method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458634A (en) * | 2017-04-24 | 2018-08-28 | 中交公局厦门工程有限公司 | A kind of equidistant fan transfer blasting construction method in the areas tunnel Tao Kuocao |
| CN107356167B (en) * | 2017-09-19 | 2019-01-15 | 中交一公局厦门工程有限公司 | A kind of equidistant fan transfer blasting construction method in the area tunnel Tao Kuocao |
| CN107356167A (en) * | 2017-09-19 | 2017-11-17 | 中交公局厦门工程有限公司 | A kind of equidistant fan transfer blasting construction method in tunnel Tao Kuocao areas |
| CN107676092A (en) * | 2017-10-10 | 2018-02-09 | 山西煤炭运销集团长治有限公司 | A kind of liquid carbon dioxide phase transformation explosion rapid hole sealing device and method for sealing |
| CN108506040A (en) * | 2018-03-06 | 2018-09-07 | 北京科技大学 | A kind of deep high stress tunnel pressure relief method based on carbon dioxide fracturing |
| AU2018413679B2 (en) * | 2018-03-12 | 2021-02-18 | China University Of Mining And Technology | Method for auxiliary tunneling by means of freezing shaft-sinking carbon dioxide phase change cracking and device therefor |
| WO2019174264A1 (en) * | 2018-03-12 | 2019-09-19 | 中国矿业大学 | Method for auxiliary tunneling by means of freezing shaft-sinking carbon dioxide phase change cracking and device therefor |
| CN108999596A (en) * | 2018-07-27 | 2018-12-14 | 辽宁工程技术大学 | A kind of supercritical CO2The method of point type jet impulse gas explosion fracturing coal and rock |
| CN108999596B (en) * | 2018-07-27 | 2020-06-09 | 辽宁工程技术大学 | Method for gas explosion fracturing of coal rock mass by supercritical CO2 point-type jet flow |
| CN110081786A (en) * | 2019-03-25 | 2019-08-02 | 大同煤矿集团有限责任公司 | Coal mine tight roof directional fracturing control method |
| CN111271065A (en) * | 2020-03-03 | 2020-06-12 | 中国矿业大学 | Method for forming roadway anti-impact weak structural layer through coal rock gas cracking |
| CN112627794A (en) * | 2020-12-14 | 2021-04-09 | 重庆大学 | Acidification outburst elimination effect evaluation method |
| CN112627794B (en) * | 2020-12-14 | 2022-05-20 | 重庆大学 | Acidizing outburst elimination effect judgment method |
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