Inventor
CARPENTER ROBERT B
US25 patents
⚠️ This page may combine multiple inventors who share the name “CARPENTER ROBERT B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ATLANTIC RICHFIELD CO
15 patentsUS5866517AFeb 2, 1999
Method and spacer fluid composition for displacing drilling fluid from a wellbore
ATLANTIC RICHFIELD CO177 citations99
US5874387AFeb 23, 1999
Method and cement-drilling fluid cement composition for cementing a wellbore
ATLANTIC RICHFIELD CO131 citations98
US5529123AJun 25, 1996
Method for controlling fluid loss from wells into high conductivity earth formations
ATLANTIC RICHFIELD CO217 citations98
US5372641ADec 13, 1994
Cement slurries for wells
ATLANTIC RICHFIELD CO112 citations98
US5030366AJul 9, 1991
Spacer fluids
ATLANTIC RICHFIELD CO152 citations98
US5188176AFeb 23, 1993
Cement slurries for diviated wells
ATLANTIC RICHFIELD CO79 citations96
US4883125ANov 28, 1989
Cementing oil and gas wells using converted drilling fluid
ATLANTIC RICHFIELD CO211 citations96
US5989336ANov 23, 1999
Cement composition
ATLANTIC RICHFIELD CO72 citations95
US5113943AMay 19, 1992
Spacer fluids
ATLANTIC RICHFIELD CO64 citations95
US5292367AMar 8, 1994
Dispersant compositions for subterranean well drilling and completion
ATLANTIC RICHFIELD CO42 citations92
US4967839ANov 6, 1990
Method and composition for cementing in a wellbore
ATLANTIC RICHFIELD CO37 citations92
US4953620ASep 4, 1990
Accelerating set of retarded cement
ATLANTIC RICHFIELD CO37 citations91
US5005646AApr 9, 1991
Accelerating set of retarded cement
ATLANTIC RICHFIELD CO19 citations81
US5211238AMay 18, 1993
Method using micro-sphere cement slurries for deviated wells
ATLANTIC RICHFIELD CO18 citations74
US4976316ADec 11, 1990
Method of accelerating set of cement by washover fluid containing alkanolamine
ATLANTIC RICHFIELD CO14 citations74
HALLIBURTON CO
4 patentsUS5789352AAug 4, 1998
Well completion spacer fluids and methods
HALLIBURTON CO137 citations98
US5339902AAug 23, 1994
Well cementing using permeable cement
HALLIBURTON CO112 citations96
US5566757AOct 22, 1996
Method and apparatus for setting sidetrack plugs in open or cased well bores
HALLIBURTON CO66 citations95
US5368103ANov 29, 1994
Method of setting a balanced cement plug in a borehole
HALLIBURTON CO111 citations94