Patents
一种构造煤原位煤层气水平井洞穴卸压开采方法(METHOD OF EXTRACTING GAS FROM TECTONICALLY-DEFORMED COAL SEAM IN-SITU BY DEPRESSURIZING HORIZONTAL WELL CAVITY)
- School Sign:第一单位
- Disigner of the Invention:徐宏杰,王冉,贾金龙,zhushuyun,Liu Shiqi,caoliwen,Perry,王海文,刘会虎,李自成,Harrsion Huang,刘长江
- Type of Patent:国内
- State of Patent:专利授权
- Application Number:US10830018(B1)
- Service Invention or Not:no
- Application Date:2018-10-18
- Authorization Date:2020-11-10
- First Author:sangshuxun