Inventor
BERKSHIRE DAVID C
5 patents
Patents
5 patentsUS4219083AAug 26, 1980
Chemical process for backsurging fluid through well casing perforations
SHELL OIL CO83 citations95
US4232741ANov 11, 1980
Temporarily plugging a subterranean reservoir with a self-foaming aqueous solution
SHELL OIL CO107 citations94
US4357248ANov 2, 1982
Treating wells with self-precipitating scale inhibitor
SHELL OIL CO39 citations92
US4289633ASep 15, 1981
Chemical process for backsurging fluid through well casing perforations
SHELL OIL CO22 citations81
US4137972AFeb 6, 1979
Acidizing reservoirs while chelating iron with sulfosalicylic acid
SHELL OIL CO13 citations70