Inventor
CHENG YUANFANG
CN3 patents
Patents
3 patentsUS11150232B2Oct 19, 2021
Laboratory device and method for simulating cement sheath consolidation in frozen soil strata
UNIV CHINA PETROLEUM EAST CHINA2 citations67
US10989036B2Apr 27, 2021
Drilling casing and method of performing fast drilling and completion of large-borehole multilateral well
UNIV CHINA PETROLEUM EAST CHINA1 citations55
US10954758B1Mar 23, 2021
Device and working method for drilling hydrate micro-borehole and performing fast completion
UNIV CHINA PETROLEUM EAST CHINA1 citations55