Inventor
BURGESS TREVOR M
US4 patents
Patents
4 patentsUS4685329AAug 11, 1987
Assessment of drilling conditions
SCHLUMBERGER TECHNOLOGY CORP115 citations93
US4627276ADec 9, 1986
Method for measuring bit wear during drilling
SCHLUMBERGER TECHNOLOGY CORP119 citations92
US5115871AMay 26, 1992
Method for the estimation of pore pressure within a subterranean formation
SCHLUMBERGER TECHNOLOGY CORP27 citations89
US5042296AAug 27, 1991
Method of in-situ testing of a drilling fluid
SCHLUMBERGER TECHNOLOGY CORP25 citations89