Inventor · disambiguated record
John K. Borchardt
Also filed as: BORCHARDT JOHN K · BORCHARDT JOHN KEITH · BORCHARDT JOHN O
29 granted patents·1 pending application·1,312 citations·filing 1981–2004
98Inventor score
Top patents by PatentIndex Score
30 records- 0197US5024276AHydraulic fracturing in subterranean formationsSHELL OIL CO·Filed 1989·Granted Jun 18, 1991·137 cites·22 claims
- 0297US4393939AClay stabilization during oil and gas well cementing operationsHALLIBURTON SERVICES·Filed 1981·Granted Jul 19, 1983·110 cites·24 claims
- 0396US4554081AHigh density well drilling, completion and workover brines, fluid loss reducing additives therefor and methods of useHALLIBURTON CO·Filed 1984·Granted Nov 19, 1985·117 cites·12 claims
- 0495US4447342AMethod of clay stabilization in enhanced oil recoveryHALLIBURTON CO·Filed 1982·Granted May 8, 1984·104 cites·26 claims
- 0594US4563292AMethods for stabilizing fines contained in subterranean formationsHALLIBURTON CO·Filed 1984·Granted Jan 7, 1986·90 cites·19 claims
- 0693US4536305AMethods for stabilizing swelling clays or migrating fines in subterranean formationsHALLIBURTON CO·Filed 1984·Granted Aug 20, 1985·78 cites·19 claims
- 0793US4409110AEnhanced oil displacement processes and compositionsHALLIBURTON CO·Filed 1981·Granted Oct 11, 1983·82 cites·13 claims
- 0892US4439334AEnhanced oil recovery methods and systemsHALLIBURTON CO·Filed 1981·Granted Mar 27, 1984·78 cites·22 claims
- 0991US5225046AWastepaper deinking processSHELL OIL CO·Filed 1992·Granted Jul 6, 1993·44 cites·37 claims
- 1089US4536303AMethods of minimizing fines migration in subterranean formationsHALLIBURTON CO·Filed 1984·Granted Aug 20, 1985·59 cites·19 claims
- 1187US4856588ASelective permeability reduction of oil-free zones of subterranean formationsSHELL OIL CO·Filed 1988·Granted Aug 15, 1989·46 cites·22 claims
- 1286US5227019AWastepaper deinking processSHELL OIL CO·Filed 1991·Granted Jul 13, 1993·52 cites·18 claims
- 1382US4856589AGas flooding with dilute surfactant solutionsSHELL OIL CO·Filed 1988·Granted Aug 15, 1989·64 cites·43 claims
- 1477US4852653AMethod to obtain rapid build-up of pressure in a steam foam processSHELL OIL CO·Filed 1988·Granted Aug 1, 1989·48 cites·13 claims
- 1573US4799547AA CO2 drive process for oil recovery employing an alcohol ethoxycarboxylate surfactantSHELL OIL CO·Filed 1988·Granted Jan 24, 1989·24 cites·19 claims
- 1673US4524003AMethod of viscosifying aqueous fluids and process for recovery of hydrocarbons from subterranean formationsHALLIBURTON CO·Filed 1983·Granted Jun 18, 1985·28 cites·15 claims
- 1767US4600057AMethod of reducing the permeability of a subterranean formationHALLIBURTON CO·Filed 1984·Granted Jul 15, 1986·22 cites·20 claims
- 1864US5258099AOffice wastepaper deinking process using fatty alcoholsSHELL OIL CO·Filed 1992·Granted Nov 2, 1993·14 cites·16 claims
- 1960US5120765ABlock copolymer dispersions and process to prepare block copolymer dispersionsSHELL OIL CO·Filed 1990·Granted Jun 9, 1992·17 cites·27 claims
- 2055US5031698ASteam foam surfactants enriched in alpha olefin disulfonates for enhanced oil recoverySHELL OIL CO·Filed 1990·Granted Jul 16, 1991·16 cites·12 claims
- 2155US4536304AMethods of minimizing fines migration in subterranean formationsHALLIBURTON CO·Filed 1984·Granted Aug 20, 1985·14 cites·19 claims
- 2254US4497596AMethod of minimizing fines migration in a subterranean formationHALLIBURTON CO·Filed 1983·Granted Feb 5, 1985·14 cites·20 claims
- 2351US5141986ABlock copolymer dispersions and process to prepare block copolymer dispersionsSHELL OIL CO·Filed 1991·Granted Aug 25, 1992·11 cites·14 claims
- 2448US4558741AMethods of minimizing fines migration in subterranean formationsHALLIBURTON CO·Filed 1984·Granted Dec 17, 1985·10 cites·20 claims
- 2548US4508629AMethod of viscosifying aqueous fluids and process for recovery of hydrocarbons from subterranean formationsHALLIBURTON CO·Filed 1983·Granted Apr 2, 1985·10 cites·4 claims
- 2646US5837099AOffice wastepaper deinking processSHELL OIL CO·Filed 1997·Granted Nov 17, 1998·10 cites·12 claims
- 2742US4911238AGas flooding with surfactants enriched in olefin disulfonateSHELL OIL CO·Filed 1988·Granted Mar 27, 1990·6 cites·17 claims
- 2842US2005080799A1Real-time information collection and distribution system for robots and electronically controlled machinesABB FLEXIBLE AUTOMATON INC·Filed 2004·Application pending·0 cites
- 2935US4957646ASteam foam surfactants enriched in alpha olefin disulfonates for enhanced oil recoverySHELL OIL CO·Filed 1987·Granted Sep 18, 1990·7 cites·9 claims
- 3030US5069802AGas flood surfactants enriched in olefin disulfonateSHELL OIL CO·Filed 1990·Granted Dec 3, 1991·0 cites·11 claims
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