Inventor · disambiguated record
Steven R. Erbstoesser
Also filed as: ERBSTOESSER STEVEN R · STOKLEY CHARLES O
14 granted patents·1,931 citations·filing 1977–1987
96Inventor score
Files withEXXON PRODUCTION RESEARCH CO14
Top patents by PatentIndex Score
14 records- 0198US4716964AUse of degradable ball sealers to seal casing perforations in well treatment fluid diversionEXXON PRODUCTION RESEARCH CO·Filed 1986·Granted Jan 5, 1988·490 cites·5 claims
- 0298US4526695AComposition for reducing the permeability of subterranean formationsEXXON PRODUCTION RESEARCH CO·Filed 1983·Granted Jul 2, 1985·244 cites·5 claims
- 0398US4387769AMethod for reducing the permeability of subterranean formationsEXXON PRODUCTION RESEARCH CO·Filed 1981·Granted Jun 14, 1983·335 cites·11 claims
- 0498US4102401AWell treatment fluid diversion with low density ball sealersEXXON PRODUCTION RESEARCH CO·Filed 1977·Granted Jul 25, 1978·121 cites·8 claims
- 0597US4187909AMethod and apparatus for placing buoyant ball sealersEXXON PRODUCTION RESEARCH CO·Filed 1977·Granted Feb 12, 1980·182 cites·6 claims
- 0695US4287952AMethod of selective diversion in deviated wellbores using ball sealersEXXON PRODUCTION RESEARCH CO·Filed 1980·Granted Sep 8, 1981·145 cites·11 claims
- 0794US4407368APolyurethane ball sealers for well treatment fluid diversionEXXON PRODUCTION RESEARCH CO·Filed 1978·Granted Oct 4, 1983·107 cites·12 claims
- 0892US4194561APlacement apparatus and method for low density ball sealersEXXON PRODUCTION RESEARCH CO·Filed 1977·Granted Mar 25, 1980·92 cites·23 claims
- 0991US4244425ALow density ball sealers for use in well treatment fluid diversionsEXXON PRODUCTION RESEARCH CO·Filed 1979·Granted Jan 13, 1981·80 cites·21 claims
- 1081US4421167AMethod of controlling displacement of propping agent in fracturing treatmentsEXXON PRODUCTION RESEARCH CO·Filed 1982·Granted Dec 20, 1983·57 cites·6 claims
- 1162US4195690AMethod for placing ball sealers onto casing perforationsEXXON PRODUCTION RESEARCH CO·Filed 1978·Granted Apr 1, 1980·23 cites·20 claims
- 1258US4160482ABall sealer diversion of matrix rate treatments of a wellEXXON PRODUCTION RESEARCH CO·Filed 1978·Granted Jul 10, 1979·19 cites·17 claims
- 1351US4488599AMethod of controlling displacement of propping agent in fracturing treatmentsEXXON PRODUCTION RESEARCH CO·Filed 1983·Granted Dec 18, 1984·18 cites·8 claims
- 1441US4753295AMethod for placing ball sealers onto casing perforations in a deviated portion of a wellboreEXXON PRODUCTION RESEARCH CO·Filed 1987·Granted Jun 28, 1988·18 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →