Inventor

HOSIE DAVID GRAHAM

US4 patents

Patents

4 patents

US7172027B2Feb 6, 2007

Expanding tubing

WEATHERFORD LAMB38 citations91

US6896052B2May 24, 2005

Expanding tubing

WEATHERFORD LAMB32 citations91

US7178592B2Feb 20, 2007

Closed loop multiphase underbalanced drilling process

WEATHERFORD LAMB14 citations81

US7654319B2Feb 2, 2010

Closed loop multiphase underbalanced drilling process

WEATHERFORD LAMB6 citations71