Patents
- Wang Liang , liuminxuan,wanghao,liuqingquan,peixiaodong,yiminghao,zhengsiwen,zhuzibin,A coal body deformation testing device, testing system, and testing method
- zhouhongxing , zhangrong,chengyuanping,liuqingquan,daihao,A method of extracting gas by hydraulic fracturing with cross-measure boreholes
- wanghaifeng , sunjianzhong,chengyuanping,wangwei,zhouhongxing,liuqingquan,A regional approach to increase the permeability of coal seams with high gas content and low inherent permeability
- Even , chengyuanping,zhouhongxing,zhaiqingwei,kongshengli,liuqingquan,Method of gas drainage in cross-measure borehole-influenced area of a roadway
- chengyuanping , Even,Wang Liang,wangliguo,chenhaidong,liuqingquan,Gas drainage method with wells for underground mining
- Kenneth Zhang , haocongmeng,chengyuanping,Even,zhangrong,liuqingquan,A device and method for measuring the hole diameter of hydraulic punching hole in the underground coal seam
- liuqingquan , liujingjing,lvbiao,anhaoxue,chengyuanping,chupeng,luyanfei,Coal seam gas parameter detection method and device based on dead space pressure conversion
- liuqingquan , huangwenyi,Wang Liang,chengyuanping,wangjing,linghao,wanghao,Determination method of methane adsorption time of coal based on diffusion-seepage decoupling experiments
- liuqingquan , wangzhenyang,wangfei,yiminghao,chengyuanping,haocongmeng,hubiao,jiangzhaonan,Chenghao Wang,wangdeyang,leiyang,hexinxin,rentianwei,liwei,wanghailiang,wushoujie,nielei,A invention relates to a method and device for rapidly determining coal seam gas parameters in an underground coal mine
- liuqingquan , chengyuanping,Wang Liang,haocongmeng,jiangzhaonan,Chenghao Wang,A invention relates to an automatic coal seam permeability testing device and method
Address:No1,Daxue Road,Xuzhou,Jiangsu,221116,P.R.China Email: master@cumt.edu.cn
All Rights Reserved by China University of Mining and Technology