Inventor
ZHU CHUANJIE
CN7 patents
Patents
7 patentsUS9951597B1Apr 24, 2018
Downhole coal seam pulse detonation wave directional fracturing permeability-increasing method
UNIV CHINA MINING7 citations80
US10060238B2Aug 28, 2018
Method for integrated drilling, slotting and oscillating thermal injection for coal seam gas extraction
UNIV CHINA MINING1 citations47
US11060384B2Jul 13, 2021
Method for precisely extracting coal-mine gas
UNIV CHINA MINING0 citations40
US10370942B2Aug 6, 2019
Method for integrated drilling, flushing, slotting and thermal injection for coalbed gas extraction
UNIV CHINA MINING0 citations37
US10378327B2Aug 13, 2019
Method for gas extraction alternating oscillating pulse high energy gas extraction with thermal injection
UNIV CHINA MINING0 citations36
US9869168B2Jan 16, 2018
Method for thermal-displacement-type strengthened extraction in drill hole
UNIV CHINA MINING0 citations35
US10858913B2Dec 8, 2020
Permeability enhancement method for coalbed methane wells by using electric pulse detonation fracturing technology
UNIV CHINA MINING0 citations33