Inventor
ERBSTOESSER STEVEN R
14 patents
Patents
14 patentsUS4716964AJan 5, 1988
Use of degradable ball sealers to seal casing perforations in well treatment fluid diversion
EXXON PRODUCTION RESEARCH CO490 citations98
US4526695AJul 2, 1985
Composition for reducing the permeability of subterranean formations
EXXON PRODUCTION RESEARCH CO244 citations98
US4387769AJun 14, 1983
Method for reducing the permeability of subterranean formations
EXXON PRODUCTION RESEARCH CO335 citations98
US4187909AFeb 12, 1980
Method and apparatus for placing buoyant ball sealers
EXXON PRODUCTION RESEARCH CO182 citations98
US4407368AOct 4, 1983
Polyurethane ball sealers for well treatment fluid diversion
EXXON PRODUCTION RESEARCH CO107 citations96
US4287952ASep 8, 1981
Method of selective diversion in deviated wellbores using ball sealers
EXXON PRODUCTION RESEARCH CO145 citations96
US4244425AJan 13, 1981
Low density ball sealers for use in well treatment fluid diversions
EXXON PRODUCTION RESEARCH CO80 citations96
US4194561AMar 25, 1980
Placement apparatus and method for low density ball sealers
EXXON PRODUCTION RESEARCH CO92 citations96
US4102401AJul 25, 1978
Well treatment fluid diversion with low density ball sealers
EXXON PRODUCTION RESEARCH CO121 citations96
US4421167ADec 20, 1983
Method of controlling displacement of propping agent in fracturing treatments
EXXON PRODUCTION RESEARCH CO57 citations95
US4160482AJul 10, 1979
Ball sealer diversion of matrix rate treatments of a well
EXXON PRODUCTION RESEARCH CO19 citations81
US4195690AApr 1, 1980
Method for placing ball sealers onto casing perforations
EXXON PRODUCTION RESEARCH CO23 citations80
US4488599ADec 18, 1984
Method of controlling displacement of propping agent in fracturing treatments
EXXON PRODUCTION RESEARCH CO18 citations72
US4753295AJun 28, 1988
Method for placing ball sealers onto casing perforations in a deviated portion of a wellbore
EXXON PRODUCTION RESEARCH CO18 citations67