Inventor
Hou duo
CN5 patents
Patents
5 patentsUS11378501B2Jul 5, 2022
Rotary fatigue tester with complex loads
UNIV SOUTHWEST PETROLEUM1 citations56
US11583822B2Feb 21, 2023
Intermediate gas concentration-regulating piston pressure device for high-temperature autoclave and gas distribution method
UNIV SOUTHWEST PETROLEUM0 citations47
US11828733B2Nov 28, 2023
Device for testing strength and sealing performance of cement sheath after perforation and using method thereof
UNIV SOUTHWEST PETROLEUM0 citations46
US11733121B2Aug 22, 2023
Sealing integrity evaluation device for high-temperature and high- pressure casing-cement ring-formation and method thereof
UNIV SOUTHWEST PETROLEUM0 citations46
US12196725B2Jan 14, 2025
Evaluation apparatus for seal integrity of wellbores in full life cycle and evaluation methods thereof
UNIV SOUTHWEST PETROLEUM0 citations42