Inventor
SWANSON BILLY L
US23 patents
⚠️ This page may combine multiple inventors who share the name “SWANSON BILLY L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILLIPS PETROLEUM CO
22 patentsUS4440228AApr 3, 1984
Gelled compositions and well treating
PHILLIPS PETROLEUM CO82 citations96
US4425241AJan 10, 1984
Drilling fluids
PHILLIPS PETROLEUM CO96 citations96
US4997582AMar 5, 1991
Compositions for acid treating subterranean formations
PHILLIPS PETROLEUM CO23 citations92
US4455241AJun 19, 1984
Wellbore fluid
PHILLIPS PETROLEUM CO30 citations92
US4246124AJan 20, 1981
Gelled compositions and well treating
PHILLIPS PETROLEUM CO53 citations92
US4244826AJan 13, 1981
Gelled acidic well treating composition and process
PHILLIPS PETROLEUM CO35 citations92
US4103742AAug 1, 1978
Method for acidizing subterranean formations
PHILLIPS PETROLEUM CO41 citations92
US4055502AOct 25, 1977
Method and composition for acidizing subterranean formations
PHILLIPS PETROLEUM CO41 citations92
US4743383AMay 10, 1988
Drilling fluid additives for use in hard brine environments
PHILLIPS PETROLEUM CO34 citations88
US5135909AAug 4, 1992
Drilling mud comprising tetrapolymer consisting of N-vinyl-2-pyrrolidone, acrylamidopropanesulfonic acid, acrylamide, and acrylic acid
PHILLIPS PETROLEUM CO19 citations82
US4289203ASep 15, 1981
Oil displacement method using shear-thickening compositions
PHILLIPS PETROLEUM CO22 citations82
US4240505ADec 23, 1980
Well acidizing compositions and methods
PHILLIPS PETROLEUM CO24 citations82
US4212747AJul 15, 1980
Shear-thickening compositions
PHILLIPS PETROLEUM CO20 citations82
US4191657AMar 4, 1980
Compositions for acidizing subterranean formations
PHILLIPS PETROLEUM CO25 citations82
US4752404AJun 21, 1988
Blends of water soluble polymers
PHILLIPS PETROLEUM CO16 citations74
US4323123AApr 6, 1982
Gelled compositions and well treating
PHILLIPS PETROLEUM CO16 citations74
US4293036AOct 6, 1981
Shear-thickening compositions
PHILLIPS PETROLEUM CO8 citations74
US4110231AAug 29, 1978
Stabilized aqueous gels and uses thereof
PHILLIPS PETROLEUM CO16 citations74
US4110226AAug 29, 1978
Stabilized aqueous gels and uses thereof
PHILLIPS PETROLEUM CO19 citations74
US5380705AJan 10, 1995
Drilling mud comprising tetrapolymer consisting of n-vinyl-2-pyrrolidone, acrylamidopropanesulfonicacid, acrylamide, and acrylic acid
PHILLIPS PETROLEUM CO9 citations73
US4775010AOct 4, 1988
Methods and compositions for acid treating subterranean formations
PHILLIPS PETROLEUM CO16 citations73
US4205724AJun 3, 1980
Well treating compositions
PHILLIPS PETROLEUM CO6 citations60