Inventor · disambiguated record
David D. Onan
Also filed as: ONAN DAVID D
41 granted patents·5,815 citations·filing 1991–2000
99Inventor score
Top patents by PatentIndex Score
41 records- 0199US6012524ARemedial well bore sealing methods and compositionsHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Jan 11, 2000·188 cites·21 claims
- 0299US5897699AFoamed well cement compositions, additives and methodsHALLIBURTON ENERGY SERV INC·Filed 1997·Granted Apr 27, 1999·340 cites·22 claims
- 0399US5820670AResilient well cement compositions and methodsHALLIBURTON ENERGY SERV INC·Filed 1997·Granted Oct 13, 1998·235 cites·20 claims
- 0498US5875845AMethods and compositions for sealing pipe strings in well boresHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Mar 2, 1999·219 cites·23 claims
- 0598US5875844AMethods of sealing pipe strings in well boresHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Mar 2, 1999·239 cites·34 claims
- 0698US5873413AMethods of modifying subterranean strata propertiesHALLIBURTON ENERGY SERV INC·Filed 1997·Granted Feb 23, 1999·204 cites·20 claims
- 0798US5779787AWell cement compositions containing rubber particles and methods of cementing subterranean zonesHALLIBURTON ENERGY SERV INC·Filed 1997·Granted Jul 14, 1998·165 cites·10 claims
- 0898US5711383ACementitious well drilling fluids and methodsHALLIBURTON CO·Filed 1996·Granted Jan 27, 1998·225 cites·19 claims
- 0998US5688844AResilient well cement compositions and methodsHALLIBURTON CO·Filed 1996·Granted Nov 18, 1997·239 cites·20 claims
- 1098US5159980AWell completion and remedial methods utilizing rubber latex compositionsHALLIBURTON CO·Filed 1991·Granted Nov 3, 1992·178 cites·15 claims
- 1197US6098711ACompositions and methods for sealing pipe in well boresHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Aug 8, 2000·205 cites·30 claims
- 1297US5945387APolymeric well completion and remedial compositions and methodsHALLIBURTON ENERGY SERV INC·Filed 1997·Granted Aug 31, 1999·190 cites·34 claims
- 1397US5911282AWell drilling fluids containing epoxy sealants and methodsHALLIBURTON ENERGY SERV INC·Filed 1997·Granted Jun 15, 1999·154 cites·26 claims
- 1497US5383521AFly ash cementing compositions and methodsHALLIBURTON CO·Filed 1993·Granted Jan 24, 1995·222 cites·24 claims
- 1597US5327968AUtilizing drilling fluid in well cementing operationsHALLIBURTON CO·Filed 1992·Granted Jul 12, 1994·150 cites·20 claims
- 1697US5295543AConverting drilling fluids to cementitious compositionsHALLIBURTON CO·Filed 1993·Granted Mar 22, 1994·165 cites·20 claims
- 1797US5293938AWell completion and remedial methods utilizing cement-ladened rubberHALLIBURTON CO·Filed 1992·Granted Mar 15, 1994·201 cites·16 claims
- 1896US6279652B1Heat insulation compositions and methodsHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Aug 28, 2001·122 cites·11 claims
- 1996US6231664B1Well sealing compositions and methodsHALLIBURTON ENERGY SERV INC·Filed 2000·Granted May 15, 2001·75 cites·22 claims
- 2096US5957204AMethod of sealing conduits in lateral well boresHALLIBURTON ENERGY SERV INC·Filed 1997·Granted Sep 28, 1999·102 cites·20 claims
- 2196US5875846AMethods of modifying subterranean strata propertiesHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Mar 2, 1999·144 cites·20 claims
- 2296US5795924AResilient well cement compositions and methodsHALLIBURTON CO·Filed 1997·Granted Aug 18, 1998·142 cites·45 claims
- 2396US5398758AUtilizing drilling fluid in well cementing operationsHALLIBURTON CO·Filed 1993·Granted Mar 21, 1995·151 cites·19 claims
- 2495US6059036AMethods and compositions for sealing subterranean zonesHALLIBURTON ENERGY SERV INC·Filed 1997·Granted May 9, 2000·140 cites·28 claims
- 2595US5969006ARemedial well bore sealing methodsHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Oct 19, 1999·136 cites·22 claims
- 2693US6068055AWell sealing compositions and methodsHALLIBURTON ENERGY SERV INC·Filed 1998·Granted May 30, 2000·99 cites·16 claims
- 2793US5501277ACombating lost circulation during the drilling of wellsHALLIBURTON CO·Filed 1995·Granted Mar 26, 1996·123 cites·20 claims
- 2893US5355954AUtilizing drilling fluid in well cementing operationsHALLIBURTON CO·Filed 1993·Granted Oct 18, 1994·77 cites·20 claims
- 2992US6006836AMethods of sealing plugs in well boresHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Dec 28, 1999·102 cites·20 claims
- 3092US5696059AMethods of preventing well cement stress failureHALLIBURTON CO·Filed 1996·Granted Dec 9, 1997·105 cites·14 claims
- 3191US6059035ASubterranean zone sealing methods and compositionsHALLIBURTON ENERGY SERV INC·Filed 1998·Granted May 9, 2000·143 cites·20 claims
- 3291US6006835AMethods for sealing subterranean zones using foamed resinHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Dec 28, 1999·114 cites·30 claims
- 3389US6069117AFoamed resin compositions for sealing subterranean zonesHALLIBURTON ENERGY SERV INC·Filed 1999·Granted May 30, 2000·87 cites·28 claims
- 3489US6055874AApparatus and method for simulating well bore conditionsHALLIBURTON ENERGY SERV INC·Filed 1999·Granted May 2, 2000·91 cites·17 claims
- 3589US5738463AElastomeric grouting of subsurface conduitsHALLIBURTON CO·Filed 1996·Granted Apr 14, 1998·58 cites·23 claims
- 3685US5791380AMethods of forming insulated pipeline bundlesHALLIBURTON CO·Filed 1995·Granted Aug 11, 1998·57 cites·35 claims
- 3784US5869750AMethod, system and device for testing two-phase compressible compositions having gas under pressureHALLIBURTON ENERGY SERV INC·Filed 1997·Granted Feb 9, 1999·77 cites·23 claims
- 3882US5332041ASet-activated cementitious compositions and methodsHALLIBURTON CO·Filed 1992·Granted Jul 26, 1994·43 cites·12 claims
- 3981US5968879APolymeric well completion and remedial compositions and methodsHALLIBURTON ENERGY SERV INC·Filed 1997·Granted Oct 19, 1999·42 cites·39 claims
- 4078US5346011AMethods of displacing liquids through pipesHALLIBURTON CO·Filed 1993·Granted Sep 13, 1994·37 cites·11 claims
- 4175US5483986AMethod of displacing liquids through pipesHALLIBURTON CO·Filed 1994·Granted Jan 16, 1996·29 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →