Inventor
XUAN LINGCHAO
CN5 patents
Patents
5 patentsUS12480365B2Nov 25, 2025
State self-adaptive turbine type pulse generator and downhole drilling tool
CHINA PETROLEUM & CHEM CORP0 citations46
US12031410B2Jul 9, 2024
Well drilling tool and method for determining parameter thereof
CHINA PETROLEUM & CHEM CORP0 citations46
US11946342B2Apr 2, 2024
Drilling tool
CHINA PETROLEUM & CHEM CORP0 citations45
US11920437B2Mar 5, 2024
Well drilling acceleration tool
CHINA PETROLEUM & CHEM CORP0 citations45
US11898417B2Feb 13, 2024
Drilling speed increasing device
CHINA PETROLEUM & CHEM CORP0 citations45