CN204200222U - 一种煤岩定向预裂装置 - Google Patents
一种煤岩定向预裂装置 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105909248A (zh) * | 2016-04-27 | 2016-08-31 | 何满潮 | 护壁定向机构、水射流钻孔切缝装置及方法 |
CN109372498A (zh) * | 2018-09-29 | 2019-02-22 | 中国石油大学(北京) | 确定岩层中破碎带的方法及装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105909248A (zh) * | 2016-04-27 | 2016-08-31 | 何满潮 | 护壁定向机构、水射流钻孔切缝装置及方法 |
CN105909248B (zh) * | 2016-04-27 | 2019-08-20 | 何满潮 | 用于高压水射流切缝的护壁定向机构、水射流钻孔切缝装置及方法 |
CN109372498A (zh) * | 2018-09-29 | 2019-02-22 | 中国石油大学(北京) | 确定岩层中破碎带的方法及装置 |
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C14 | Grant of patent or utility model | ||
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C41 | Transfer of patent application or patent right or utility model | ||
CB03 | Change of inventor or designer information |
Inventor after: Deng Guangzhe Inventor after: Zhu Hui Inventor before: Deng Guangzhe |
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TR01 | Transfer of patent right |
Effective date of registration: 20161028 Address after: Yanta Road 710054 Shaanxi city of Xi'an province No. 58 Patentee after: Xi'an University of Science and Technology Patentee after: Korla Jinchuan Mining Co.,Ltd. Address before: Yanta Road 710054 Shaanxi city of Xi'an province No. 58 Patentee before: Xi'an University of Science and Technology |