CN104234739A - In-borehole gas explosion coal body cracking forced extraction method - Google Patents
In-borehole gas explosion coal body cracking forced extraction method Download PDFInfo
- Publication number
- CN104234739A CN104234739A CN201410404943.0A CN201410404943A CN104234739A CN 104234739 A CN104234739 A CN 104234739A CN 201410404943 A CN201410404943 A CN 201410404943A CN 104234739 A CN104234739 A CN 104234739A
- Authority
- CN
- China
- Prior art keywords
- gas
- hole
- coal
- explosive hole
- coal body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410404943.0A CN104234739B (en) | 2014-08-15 | 2014-08-15 | A kind of gas blastingfracture coal body enhanced gas extraction method in boring |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410404943.0A CN104234739B (en) | 2014-08-15 | 2014-08-15 | A kind of gas blastingfracture coal body enhanced gas extraction method in boring |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104234739A true CN104234739A (en) | 2014-12-24 |
CN104234739B CN104234739B (en) | 2016-03-30 |
Family
ID=52223544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410404943.0A Active CN104234739B (en) | 2014-08-15 | 2014-08-15 | A kind of gas blastingfracture coal body enhanced gas extraction method in boring |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104234739B (en) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104533514A (en) * | 2015-01-12 | 2015-04-22 | 中国矿业大学 | Method for thermal displacement type forced gas drainage in drill holes |
CN104612746A (en) * | 2015-01-12 | 2015-05-13 | 中国矿业大学 | Cutting-exploding coupled coal anti-reflection method in drilled hole |
CN104632270A (en) * | 2015-01-06 | 2015-05-20 | 中国矿业大学 | Oscillating impulse type high-energy gas fracturing and heat injection alternating gas-extracting method |
CN104632271A (en) * | 2015-01-12 | 2015-05-20 | 中国矿业大学 | Method for increasing permeability in drilling holes in cold expansion and heat driving mode |
CN105909302A (en) * | 2016-04-21 | 2016-08-31 | 中国矿业大学 | System and process for coal seam permeability improvement by inducing hole drilling extraction later-period gas burning explosion |
CN105927268A (en) * | 2016-04-21 | 2016-09-07 | 中国矿业大学 | Gas explosion coal seam permeability increasing extraction method in borehole in later period of induction extraction |
CN106351613A (en) * | 2016-10-14 | 2017-01-25 | 安徽理工大学 | Continuous gas extraction method under condition of multiple times of repeated blasting disturbance of coals |
CN107701163A (en) * | 2017-10-11 | 2018-02-16 | 山东科技大学 | The blast of a kind of thermal agitation and drilling gas cooperates the secondary permeability improvement device in coal seam and method |
CN109854210A (en) * | 2019-03-05 | 2019-06-07 | 重庆大学 | Using the gas pumping method and extraction system of liquid nitrogen and steam fracturing coal seam |
WO2019184148A1 (en) * | 2018-03-27 | 2019-10-03 | 山东科技大学 | Efficient water injection method for low-permeability coal seam |
WO2019242190A1 (en) * | 2018-06-22 | 2019-12-26 | 中国矿业大学 | Multi-stage combustion shock wave-induced cracked coal body and heat injection alternating reinforced gas extraction method |
CN110925015A (en) * | 2019-12-16 | 2020-03-27 | 中国矿业大学(北京) | Technology for enhancing permeability of coal seam by utilizing water jet to drill cavity gas explosion |
CN112943348A (en) * | 2021-03-18 | 2021-06-11 | 华能煤炭技术研究有限公司 | Comprehensive prevention and control system and method for rock burst and gas of coal face |
WO2021128933A1 (en) * | 2019-12-27 | 2021-07-01 | 翟成 | Fluidized mining method for in-situ pyrolysis gas of high gas coal seam |
CN113217081A (en) * | 2021-05-18 | 2021-08-06 | 重庆大学 | Method for eliminating gas by controllable combustion of high-gas low-permeability coal seam |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109025936A (en) * | 2018-06-22 | 2018-12-18 | 中国矿业大学 | Underground coal mine burning shock wave fracturing coal body strengthens gas pumping method and equipment |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0067427A2 (en) * | 1981-06-10 | 1982-12-22 | Maschinenfabrik Korfmann GmbH | Gas suction method in coal mining, and suction pipe to perform this method |
RU2136890C1 (en) * | 1998-05-07 | 1999-09-10 | Государственный научно-исследовательский институт горной геомеханики и маркшейдерского дела - Межотраслевой научный центр (ВНИМИ) | Method for degassing of coal seams |
CN101029576A (en) * | 2007-04-02 | 2007-09-05 | 中国矿业大学 | Method and apparatus for protruding hazadous coal-bed safety guide-jet drilling |
CN102383828A (en) * | 2011-07-08 | 2012-03-21 | 中国矿业大学 | Refection reducing and outburst eliminating method for deep-hole hydraulic fracture driving gas shallow hole extraction |
CN102434192A (en) * | 2011-08-24 | 2012-05-02 | 中原工学院 | Device and method for enhancing coal seam fracturing effect |
CN102817633A (en) * | 2012-09-13 | 2012-12-12 | 广东宏大***股份有限公司 | Device for draining gas by deep hole crack control blasting and precracking method |
CN103195466A (en) * | 2013-03-30 | 2013-07-10 | 重庆大学 | Directional water pressure blasting method for improving coal bed gas permeability |
CN103321669A (en) * | 2013-07-08 | 2013-09-25 | 中国矿业大学(北京) | Method for increasing permeability of low-permeability coal seam by means of deep-hole directional pre-splitting blasting |
CN103362538A (en) * | 2013-07-15 | 2013-10-23 | 中国矿业大学 | Coal seam cutting, fracturing, pressure pumping and alternating gas extraction method |
-
2014
- 2014-08-15 CN CN201410404943.0A patent/CN104234739B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0067427A2 (en) * | 1981-06-10 | 1982-12-22 | Maschinenfabrik Korfmann GmbH | Gas suction method in coal mining, and suction pipe to perform this method |
RU2136890C1 (en) * | 1998-05-07 | 1999-09-10 | Государственный научно-исследовательский институт горной геомеханики и маркшейдерского дела - Межотраслевой научный центр (ВНИМИ) | Method for degassing of coal seams |
CN101029576A (en) * | 2007-04-02 | 2007-09-05 | 中国矿业大学 | Method and apparatus for protruding hazadous coal-bed safety guide-jet drilling |
CN102383828A (en) * | 2011-07-08 | 2012-03-21 | 中国矿业大学 | Refection reducing and outburst eliminating method for deep-hole hydraulic fracture driving gas shallow hole extraction |
CN102434192A (en) * | 2011-08-24 | 2012-05-02 | 中原工学院 | Device and method for enhancing coal seam fracturing effect |
CN102817633A (en) * | 2012-09-13 | 2012-12-12 | 广东宏大***股份有限公司 | Device for draining gas by deep hole crack control blasting and precracking method |
CN103195466A (en) * | 2013-03-30 | 2013-07-10 | 重庆大学 | Directional water pressure blasting method for improving coal bed gas permeability |
CN103321669A (en) * | 2013-07-08 | 2013-09-25 | 中国矿业大学(北京) | Method for increasing permeability of low-permeability coal seam by means of deep-hole directional pre-splitting blasting |
CN103362538A (en) * | 2013-07-15 | 2013-10-23 | 中国矿业大学 | Coal seam cutting, fracturing, pressure pumping and alternating gas extraction method |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104632270A (en) * | 2015-01-06 | 2015-05-20 | 中国矿业大学 | Oscillating impulse type high-energy gas fracturing and heat injection alternating gas-extracting method |
CN104632270B (en) * | 2015-01-06 | 2016-11-16 | 中国矿业大学 | A kind of oscillating impulse formula high enegry gas fracturing and heat injection alternation mash gas extraction method |
CN104533514A (en) * | 2015-01-12 | 2015-04-22 | 中国矿业大学 | Method for thermal displacement type forced gas drainage in drill holes |
CN104612746A (en) * | 2015-01-12 | 2015-05-13 | 中国矿业大学 | Cutting-exploding coupled coal anti-reflection method in drilled hole |
CN104632271A (en) * | 2015-01-12 | 2015-05-20 | 中国矿业大学 | Method for increasing permeability in drilling holes in cold expansion and heat driving mode |
CN104533514B (en) * | 2015-01-12 | 2017-07-07 | 中国矿业大学 | Hot displacement type enhanced gas extraction method in one kind drilling |
CN105909302A (en) * | 2016-04-21 | 2016-08-31 | 中国矿业大学 | System and process for coal seam permeability improvement by inducing hole drilling extraction later-period gas burning explosion |
CN105927268A (en) * | 2016-04-21 | 2016-09-07 | 中国矿业大学 | Gas explosion coal seam permeability increasing extraction method in borehole in later period of induction extraction |
CN105927268B (en) * | 2016-04-21 | 2017-12-15 | 中国矿业大学 | Gas fires the anti-reflection pumping method in coal seam in a kind of induction extraction later stage drilling hole |
CN106351613A (en) * | 2016-10-14 | 2017-01-25 | 安徽理工大学 | Continuous gas extraction method under condition of multiple times of repeated blasting disturbance of coals |
CN107701163A (en) * | 2017-10-11 | 2018-02-16 | 山东科技大学 | The blast of a kind of thermal agitation and drilling gas cooperates the secondary permeability improvement device in coal seam and method |
WO2019184148A1 (en) * | 2018-03-27 | 2019-10-03 | 山东科技大学 | Efficient water injection method for low-permeability coal seam |
WO2019242190A1 (en) * | 2018-06-22 | 2019-12-26 | 中国矿业大学 | Multi-stage combustion shock wave-induced cracked coal body and heat injection alternating reinforced gas extraction method |
US10808514B2 (en) | 2018-06-22 | 2020-10-20 | China University Of Mining And Technology | Multi-stage combustion impact wave coal mass cracking and heat injection alternating intensified gas extracting method |
CN109854210A (en) * | 2019-03-05 | 2019-06-07 | 重庆大学 | Using the gas pumping method and extraction system of liquid nitrogen and steam fracturing coal seam |
CN110925015A (en) * | 2019-12-16 | 2020-03-27 | 中国矿业大学(北京) | Technology for enhancing permeability of coal seam by utilizing water jet to drill cavity gas explosion |
CN110925015B (en) * | 2019-12-16 | 2021-09-28 | 中国矿业大学(北京) | Technology for enhancing permeability of coal seam by utilizing water jet to drill cavity gas explosion |
WO2021128933A1 (en) * | 2019-12-27 | 2021-07-01 | 翟成 | Fluidized mining method for in-situ pyrolysis gas of high gas coal seam |
CN112943348A (en) * | 2021-03-18 | 2021-06-11 | 华能煤炭技术研究有限公司 | Comprehensive prevention and control system and method for rock burst and gas of coal face |
CN112943348B (en) * | 2021-03-18 | 2023-08-08 | 华能煤炭技术研究有限公司 | Comprehensive control system and control method for rock burst and gas of coal face |
CN113217081A (en) * | 2021-05-18 | 2021-08-06 | 重庆大学 | Method for eliminating gas by controllable combustion of high-gas low-permeability coal seam |
CN113217081B (en) * | 2021-05-18 | 2023-10-03 | 重庆大学 | Method for eliminating gas by controllable combustion of high-gas low-permeability coal seam |
Also Published As
Publication number | Publication date |
---|---|
CN104234739B (en) | 2016-03-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104234739B (en) | A kind of gas blastingfracture coal body enhanced gas extraction method in boring | |
CN104314605B (en) | A kind of multistage gas explosion fracturing coal body enhanced gas extraction method in boring | |
CN104314606B (en) | Hydraulic slotted liner technique and the combined reinforced pumping method of gas explosion fracturing coal body in a kind of boring | |
CN104612746B (en) | -quick-fried manifold type coal body anti-reflection method is cut in a kind of boring | |
US10808514B2 (en) | Multi-stage combustion impact wave coal mass cracking and heat injection alternating intensified gas extracting method | |
CN103195466B (en) | A kind of directed hydraulic pressure demolition improves the method for gas permeability of coal seam | |
WO2019242191A1 (en) | Hydraulic cutting seam and multistage combustion shock wave combined coal-fracturing gas extraction method | |
WO2021128933A1 (en) | Fluidized mining method for in-situ pyrolysis gas of high gas coal seam | |
CN104863628B (en) | One kind utilizes the anti-reflection shielding coal roadway tunneling method of pulse detonation wave fracturing | |
CN108827086B (en) | A kind of fracturing cylinder and its explosion neas men method based on airbag gas-generating agent | |
CN205426830U (en) | Gas explosion causes coal dust explosion's analogue means | |
CN101813002A (en) | Coal seam pre-splitting method based on gas extraction | |
CN103334790A (en) | High-pressure gas blasting-based coal seam roof advance presplitting method | |
CN104594866A (en) | New method for rapid gas drainage technology based on low permeability coal bed gas phase fracturing | |
CN109025936A (en) | Underground coal mine burning shock wave fracturing coal body strengthens gas pumping method and equipment | |
CN105178933A (en) | Environmental protection type under-well formation fracturing device | |
WO2019072183A1 (en) | Coal seam secondary anti-reflection device and method by means of joint efforts of thermal disturbance and drilling gas explosion | |
CN112761587B (en) | Drilling methane multistage pulse energy-gathering blasting enhanced extraction method | |
CN105201483A (en) | Environment-friendly downhole stratum fracturing method | |
CN114293963B (en) | Closed loop system for underground gas extraction and reinjection of coal seam anti-reflection and working method | |
CN104389629A (en) | Gas and solid jet active flame-retarding explosion-suppressing unit | |
CN204457839U (en) | A kind of gas-solid two-phase jet flow initiatively back-fire relief explosion suppression device | |
CN116517615A (en) | Enhanced extraction method for coal body by controllable electric pulse burning explosion gas fracturing in drilling | |
CN104612644A (en) | Gas phase fracturing and fast gas extraction method for low permeability coal bed | |
CN104912588A (en) | Spalling permeability increasing method for rapid excavation of underground seam gateway |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Lin Baiquan Inventor after: Liu Ting Inventor after: Zou Quanle Inventor after: Tang Zongqing Inventor after: Kong Jia Inventor after: Yan Fazhi Inventor after: Zhu Chuanjie Inventor after: Yao Hao Inventor before: Lin Baiquan Inventor before: Zou Quanle Inventor before: Chen Jian Inventor before: Liu Ting Inventor before: Yan Fazhi Inventor before: Zhu Chuanjie Inventor before: Ren Hongwei Inventor before: Hong Yidu Inventor before: Kong Jia |
|
COR | Change of bibliographic data | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |