CN201851011U - Device for mining coal bed gas by drilling well in zero radius and in radial direction - Google Patents
Device for mining coal bed gas by drilling well in zero radius and in radial direction Download PDFInfo
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- CN201851011U CN201851011U CN2010202240365U CN201020224036U CN201851011U CN 201851011 U CN201851011 U CN 201851011U CN 2010202240365 U CN2010202240365 U CN 2010202240365U CN 201020224036 U CN201020224036 U CN 201020224036U CN 201851011 U CN201851011 U CN 201851011U
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- underground
- coal bed
- coal
- hole
- flexible pipe
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Application Number | Priority Date | Filing Date | Title |
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CN2010202240365U CN201851011U (en) | 2010-06-11 | 2010-06-11 | Device for mining coal bed gas by drilling well in zero radius and in radial direction |
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CN2010202240365U CN201851011U (en) | 2010-06-11 | 2010-06-11 | Device for mining coal bed gas by drilling well in zero radius and in radial direction |
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CN201851011U true CN201851011U (en) | 2011-06-01 |
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CN2010202240365U Expired - Fee Related CN201851011U (en) | 2010-06-11 | 2010-06-11 | Device for mining coal bed gas by drilling well in zero radius and in radial direction |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102135011A (en) * | 2011-02-15 | 2011-07-27 | 上海宏睿油气田径向井技术服务有限公司 | Device for pumping coal bed gas through underground radial drilling |
CN102230359A (en) * | 2011-07-01 | 2011-11-02 | 河南省瓦斯治理研究院有限公司 | Horizontal zero-radius high-pressure hydraulic drilling method |
CN112780208A (en) * | 2021-01-06 | 2021-05-11 | 中国矿业大学 | Gas extraction drilling fault-breaking deformation area repairing system and repairing method |
-
2010
- 2010-06-11 CN CN2010202240365U patent/CN201851011U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102135011A (en) * | 2011-02-15 | 2011-07-27 | 上海宏睿油气田径向井技术服务有限公司 | Device for pumping coal bed gas through underground radial drilling |
CN102230359A (en) * | 2011-07-01 | 2011-11-02 | 河南省瓦斯治理研究院有限公司 | Horizontal zero-radius high-pressure hydraulic drilling method |
CN112780208A (en) * | 2021-01-06 | 2021-05-11 | 中国矿业大学 | Gas extraction drilling fault-breaking deformation area repairing system and repairing method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
DD01 | Delivery of document by public notice |
Addressee: Wu Gang Document name: Notification to Make Rectification |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: 201206, Shanghai, Pudong New Area, No. 1000 Golden Road, 19 Building, 4 floor, East Patentee after: Shanghai Witsun Jetdrill Enhancement Services Co., Ltd. Address before: 201201 Pudong New Area East Road, No. 6111, Shanghai Patentee before: Shanghai Witsun Jetdrill Enhancement Services Co., Ltd. |
|
C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: 201206 Shanghai Pudong New Area City Jinxiang road 225 Lane 11, building 2, room 1932 Patentee after: Shanghai Witsun Jetdrill Enhancement Services Co., Ltd. Address before: 201206, Shanghai, Pudong New Area, No. 1000 Golden Road, 19 Building, 4 floor, East Patentee before: Shanghai Witsun Jetdrill Enhancement Services Co., Ltd. |
|
DD01 | Delivery of document by public notice | ||
DD01 | Delivery of document by public notice |
Addressee: Shanghai Witsun Jetdrill Enhancement Services Co., Ltd. Document name: Notification to Pay the Fees |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20180611 |