Inventor · disambiguated record
Kenneth M. Cowan
Also filed as: COWAN KENNETH M · COWAN KENNETH MICHAEL
59 granted patents·4 pending applications·3,867 citations·filing 1989–2025
99Inventor score
Files withSHELL OIL CO53COWAN KENNETH M2L LIVERMORE NAT SECURITY LLC2OXY LOW CARBON VENTURES LLC2UNIV TEXAS2
Top patents by PatentIndex Score
63 records- 0199US5464060AUniversal fluids for drilling and cementing wellsSHELL OIL CO·Filed 1994·Granted Nov 7, 1995·235 cites·8 claims
- 0299US5361842ADrilling and cementing with blast furnace slag/silicate fluidSHELL OIL CO·Filed 1993·Granted Nov 8, 1994·204 cites·25 claims
- 0399US5314022ADilution of drilling fluid in forming cement slurriesSHELL OIL CO·Filed 1992·Granted May 24, 1994·273 cites·30 claims
- 0498US5058679ASolidification of water based mudsSHELL OIL CO·Filed 1991·Granted Oct 22, 1991·231 cites·14 claims
- 0597US7527094B2Double barrier system for an in situ conversion processSHELL OIL CO·Filed 2006·Granted May 5, 2009·184 cites·23 claims
- 0697US5580379AEmulsion in blast furnace slag mud solidificationSHELL OIL CO·Filed 1995·Granted Dec 3, 1996·103 cites·15 claims
- 0797US5499677AEmulsion in blast furnace slag mud solidificationSHELL OIL CO·Filed 1994·Granted Mar 19, 1996·136 cites·1 claims
- 0897US5358049AConversion of emulsion mud to cementSHELL OIL CO·Filed 1994·Granted Oct 25, 1994·110 cites·15 claims
- 0997US5337824ACoal slag universal fluidSHELL OIL CO·Filed 1993·Granted Aug 16, 1994·169 cites·35 claims
- 1097US5016711ACement sealingSHELL OIL CO·Filed 1989·Granted May 21, 1991·133 cites·10 claims
- 1196US5423379ASolidification of water based mudsSHELL OIL CO·Filed 1994·Granted Jun 13, 1995·96 cites·4 claims
- 1296US5358044ADrilling and cementing with blast furnace slag/soluble/insoluble alcoholSHELL OIL CO·Filed 1993·Granted Oct 25, 1994·148 cites·16 claims
- 1396US5020598AProcess for cementing a wellSHELL OIL CO·Filed 1989·Granted Jun 4, 1991·85 cites·3 claims
- 1495US5439056ACoal slag solidification of drilling fluidSHELL OIL CO·Filed 1993·Granted Aug 8, 1995·111 cites·13 claims
- 1595US5361841ADrilling and cementing with blast furnace slag/polyalcohol fluidSHELL OIL CO·Filed 1993·Granted Nov 8, 1994·127 cites·22 claims
- 1695US5275654ACement sealingSHELL OIL CORP·Filed 1992·Granted Jan 4, 1994·86 cites·24 claims
- 1794US5370185AMud solidification with slurry of portland cement in oilSHELL OIL CO·Filed 1993·Granted Dec 6, 1994·107 cites·2 claims
- 1893US5673753ASolidification of water based mudsSHELL OIL CO·Filed 1995·Granted Oct 7, 1997·88 cites·16 claims
- 1992US5343950ADrilling and cementing extended reach boreholesSHELL OIL CO·Filed 1992·Granted Sep 6, 1994·83 cites·17 claims
- 2091US5298070ACement fluid loss reductionSHELL OIL CO·Filed 1992·Granted Mar 29, 1994·73 cites·3 claims
- 2190US7696133B2Geosynthetic composite for borehole strengtheningSHELL OIL CO·Filed 2005·Granted Apr 13, 2010·18 cites·50 claims
- 2290US5515921AWater-base mud conversion for high tempratice cementingSHELL OIL CO·Filed 1994·Granted May 14, 1996·120 cites·3 claims
- 2390US5363918AWellbore sealing with unsaturated monomer systemSHELL OIL CO·Filed 1993·Granted Nov 15, 1994·56 cites·17 claims
- 2489US5484020ARemedial wellbore sealing with unsaturated monomer systemSHELL OIL CO·Filed 1994·Granted Jan 16, 1996·49 cites·17 claims
- 2588US5553670AOptimizing blast furnace slag cementsSHELL OIL CO·Filed 1993·Granted Sep 10, 1996·44 cites·114 claims
- 2688US5343951ADrilling and cementing slim hole wellsSHELL OIL CO·Filed 1992·Granted Sep 6, 1994·80 cites·17 claims
- 2788US5314031ADirectional drilling plugSHELL OIL CO·Filed 1992·Granted May 24, 1994·63 cites·5 claims
- 2887US5284513ACement slurry and cement compositionsSHELL OIL CO·Filed 1992·Granted Feb 8, 1994·52 cites·20 claims
- 2986US9593552B2Cementing a wellbore using cementing material encapsulated in a shellL LIVERMORE NAT SECURITY LLC·Filed 2016·Granted Mar 14, 2017·2 cites·1 claims
- 3086US5488991AAlumina wellbore cement compositionSHELL OIL CO·Filed 1994·Granted Feb 6, 1996·52 cites·12 claims
- 3186US5307876AMethod to cement a wellbore in the presence of carbon dioxideSHELL OIL CO·Filed 1992·Granted May 3, 1994·60 cites·18 claims
- 3285US9416619B2Cementing a wellbore using cementing material encapsulated in a shellL LIVERMORE NAT SECURITY LLC·Filed 2013·Granted Aug 16, 2016·4 cites·2 claims
- 3385US5309999ACement slurry composition and method to cement wellbore casings in salt formationsSHELL OIL CO·Filed 1992·Granted May 10, 1994·39 cites·17 claims
- 3483US7723271B2Method for sealing pipe in a wellSHELL OIL CO·Filed 2009·Granted May 25, 2010·5 cites·10 claims
- 3583US7343974B2Method and apparatus for performing chemical treatments of exposed geological formationsSHELL OIL CO·Filed 2005·Granted Mar 18, 2008·20 cites·43 claims
- 3681US5379840AHigh temperature well cementing with low grade blast furnace slagSHELL OIL CO·Filed 1993·Granted Jan 10, 1995·32 cites·3 claims
- 3781US5311945ADrilling and cementing with phosphateSHELL OIL CO·Filed 1992·Granted May 17, 1994·32 cites·15 claims
- 3878US7048067B1Wellbore casing repairSHELL OIL CO·Filed 2000·Granted May 23, 2006·53 cites·98 claims
- 3978US5411092AOptimizing blast furnace slag cementsSHELL OIL CO·Filed 1993·Granted May 2, 1995·26 cites·60 claims
- 4076US5207831ACement fluid loss reductionSHELL OIL CO·Filed 1992·Granted May 4, 1993·27 cites·2 claims
- 4172US5343952ACement plug for well abandonmentSHELL OIL CO·Filed 1992·Granted Sep 6, 1994·29 cites·5 claims
- 4267US5311944ABlast furnace slag blend in cementSHELL OIL CO·Filed 1992·Granted May 17, 1994·20 cites·14 claims
- 4367US5307877AWellbore sealing with two-component ionomeric systemSHELL OIL CO·Filed 1992·Granted May 3, 1994·20 cites·20 claims
- 4466US5322124ASqueeze cementingSHELL OIL CO·Filed 1992·Granted Jun 21, 1994·19 cites·4 claims
- 4565US11884872B2Magnetorheological fluids and methods of using sameUNIV TEXAS·Filed 2020·Granted Jan 30, 2024·0 cites·12 claims
- 4661US5332040AProcess to cement a casing in a wellboreSHELL OIL CO·Filed 1992·Granted Jul 26, 1994·14 cites·15 claims
- 4761US5301752ADrilling and cementing with phosphate-blast furnace slagSHELL OIL CO·Filed 1992·Granted Apr 12, 1994·33 cites·18 claims
- 4860US5330006AOil mud displacement with blast furnace slag/surfactantSHELL OIL CO·Filed 1993·Granted Jul 19, 1994·33 cites·20 claims
- 4960US5301754AWellbore cementing with ionomer-blast furnace slag systemSHELL OIL CO·Filed 1992·Granted Apr 12, 1994·15 cites·18 claims
- 5060US2025257256A1Methods involving cements that employ carbon dioxide as a reactantOXY LOW CARBON VENTURES LLC·Filed 2025·Application pending·0 cites
Showing the top 50 of 63 patent records by PatentIndex Score.
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