Assignee
MARATHON OIL CO
US·389 granted patents·3 pending applications·13,826 citations·filing 1970–2015
Top patents by PatentIndex Score
392 records- 0198US6201029B1Staged combustion of a low heating value fuel gas for driving a gas turbineMARATHON OIL CO·Filed 1998·Granted Mar 13, 2001·264 cites·23 claims
- 0298US6189615B1Application of a stabilized polymer gel to an alkaline treatment region for improved hydrocarbon recoveryMARATHON OIL CO·Filed 1998·Granted Feb 20, 2001·301 cites·42 claims
- 0398US5082056AIn situ reversible crosslinked polymer gel used in hydrocarbon recovery applicationsMARATHON OIL CO·Filed 1990·Granted Jan 21, 1992·323 cites·16 claims
- 0497US7348464B2Process for converting gaseous alkanes to liquid hydrocarbonsMARATHON OIL CO·Filed 2005·Granted Mar 25, 2008·43 cites·25 claims
- 0597US6536524B1Method and system for performing a casing conveyed perforating process and other operations in wellsMARATHON OIL CO·Filed 2000·Granted Mar 25, 2003·243 cites·65 claims
- 0697US5598891AApparatus and method for perforating and fracturingMARATHON OIL CO·Filed 1995·Granted Feb 4, 1997·103 cites·65 claims
- 0797US4779680AHydraulic fracturing process using a polymer gelMARATHON OIL CO·Filed 1987·Granted Oct 25, 1988·172 cites·14 claims
- 0897US4723603APreventing plugging by insoluble salts in a hydrocarbon-bearing formation and associated production wellsMARATHON OIL CO·Filed 1987·Granted Feb 9, 1988·146 cites·21 claims
- 0997US4683949AConformance improvement in a subterranean hydrocarbon-bearing formation using a polymer gelMARATHON OIL CO·Filed 1986·Granted Aug 4, 1987·183 cites·62 claims
- 1097US3954627ALamellar micelle containing compositions which exhibit retro-viscous propertiesMARATHON OIL CO·Filed 1973·Granted May 4, 1976·89 cites·13 claims
- 1196US7963342B2Downhole isolation valve and methods for useMARATHON OIL CO·Filed 2006·Granted Jun 21, 2011·77 cites·40 claims
- 1296US6759968B2Method and apparatus for determining position in a pipeMARATHON OIL CO·Filed 2001·Granted Jul 6, 2004·219 cites·41 claims
- 1396US6333699B1Method and apparatus for determining position in a pipeMARATHON OIL CO·Filed 1999·Granted Dec 25, 2001·242 cites·45 claims
- 1496US5861441ACombusting a hydrocarbon gas to produce a reformed gasMARATHON OIL CO·Filed 1997·Granted Jan 19, 1999·96 cites·31 claims
- 1595US7714741B2Method and system for performing operations and for improving production in wellsMARATHON OIL CO·Filed 2008·Granted May 11, 2010·51 cites·22 claims
- 1695US4012329AWater-in-oil microemulsion drilling fluidsMARATHON OIL CO·Filed 1975·Granted Mar 15, 1977·139 cites·24 claims
- 1795US3938594AFracturing fluidMARATHON OIL CO·Filed 1974·Granted Feb 17, 1976·86 cites·18 claims
- 1894US8044820B2Method and system for performing operations and for improving production in wellsMARATHON OIL CO·Filed 2010·Granted Oct 25, 2011·16 cites·20 claims
- 1994US7014100B2Process and assembly for identifying and tracking assetsMARATHON OIL CO·Filed 2001·Granted Mar 21, 2006·115 cites·48 claims
- 2094US5571986AMethod and apparatus for activating an electric wireline firing systemMARATHON OIL CO·Filed 1995·Granted Nov 5, 1996·86 cites·32 claims
- 2194US5129457AEnhanced liquid hydrocarbon recovery processMARATHON OIL CO·Filed 1991·Granted Jul 14, 1992·112 cites·66 claims
- 2293US7064238B2Conversion of alkanes to oxygenatesMARATHON OIL CO·Filed 2004·Granted Jun 20, 2006·32 cites·33 claims
- 2393US5733941AHydrocarbon gas conversion system and process for producing a synthetic hydrocarbon liquidMARATHON OIL CO·Filed 1996·Granted Mar 31, 1998·82 cites·41 claims
- 2493US4390836AMethod and apparatus for the detection of pipeline holidaysMARATHON OIL CO·Filed 1980·Granted Jun 28, 1983·90 cites·10 claims
- 2593US4243511AProcess for suppressing carbonate decomposition in vapor phase water retortingMARATHON OIL CO·Filed 1979·Granted Jan 6, 1981·143 cites·7 claims
- 2692US7244867B2Process for converting gaseous alkanes to liquid hydrocarbonsMARATHON OIL CO·Filed 2004·Granted Jul 17, 2007·39 cites·28 claims
- 2792US5775426AApparatus and method for perforating and stimulating a subterranean formationMARATHON OIL CO·Filed 1996·Granted Jul 7, 1998·203 cites·45 claims
- 2892US5041210AOil shale retorting with steam and produced gasMARATHON OIL CO·Filed 1989·Granted Aug 20, 1991·129 cites·11 claims
- 2991US4430728AComputer terminal security systemMARATHON OIL CO·Filed 1981·Granted Feb 7, 1984·245 cites·3 claims
- 3090US9359881B2Processes and systems for drilling a boreholeMARATHON OIL CO·Filed 2012·Granted Jun 7, 2016·26 cites·31 claims
- 3190US6336506B2Apparatus and method for perforating and stimulating a subterranean formationMARATHON OIL CO·Filed 2000·Granted Jan 8, 2002·83 cites·30 claims
- 3290US4844168ADelayed in situ crosslinking of acrylamide polymers for oil recovery applications in high-temperature formationsMARATHON OIL CO·Filed 1988·Granted Jul 4, 1989·59 cites·18 claims
- 3389US7677439B2Process and assembly for identifying and tracking assetsMARATHON OIL CO·Filed 2006·Granted Mar 16, 2010·28 cites·10 claims
- 3489US6386288B1Casing conveyed perforating process and apparatusMARATHON OIL CO·Filed 1999·Granted May 14, 2002·137 cites·48 claims
- 3589US4932474AStaged screen assembly for gravel packingMARATHON OIL CO·Filed 1988·Granted Jun 12, 1990·132 cites·19 claims
- 3689US4706754AOil recovery process using a delayed polymer gelMARATHON OIL CO·Filed 1986·Granted Nov 17, 1987·56 cites·28 claims
- 3789US4573342AApparatus and method for the automatic porosity and permeability testing of multiple core samplesMARATHON OIL CO·Filed 1984·Granted Mar 4, 1986·61 cites·36 claims
- 3888US7373251B2Method for predicting quantitative values of a rock or fluid property in a reservoir using seismic dataMARATHON OIL CO·Filed 2004·Granted May 13, 2008·105 cites·21 claims
- 3988US6761219B2Casing conveyed perforating process and apparatusMARATHON OIL CO·Filed 2002·Granted Jul 13, 2004·84 cites·5 claims
- 4088US6703534B2Transport of a wet gas through a subsea pipelineMARATHON OIL CO·Filed 2001·Granted Mar 9, 2004·45 cites·24 claims
- 4188US5330007ATemplate and process for drilling and completing multiple wellsMARATHON OIL CO·Filed 1993·Granted Jul 19, 1994·124 cites·72 claims
- 4288US4776618AHigh pressure couplingMARATHON OIL CO·Filed 1987·Granted Oct 11, 1988·74 cites·3 claims
- 4388US4644263AMethod and apparatus for measuring water in crude oilMARATHON OIL CO·Filed 1984·Granted Feb 17, 1987·54 cites·20 claims
- 4488US4516227ASubocean bottom explosive seismic systemMARATHON OIL CO·Filed 1981·Granted May 7, 1985·62 cites·3 claims
- 4588US4082513AIntermittent catalyst addition systemMARATHON OIL CO·Filed 1976·Granted Apr 4, 1978·60 cites·1 claims
- 4688US4018671AIntermittent catalyst addition systemMARATHON OIL CO·Filed 1975·Granted Apr 19, 1977·54 cites·6 claims
- 4787US5377760AFiber reinforced gel for use in subterranean treatment processesMARATHON OIL CO·Filed 1993·Granted Jan 3, 1995·63 cites·13 claims
- 4887US4846215ABack pressure regulatorMARATHON OIL CO·Filed 1988·Granted Jul 11, 1989·59 cites·6 claims
- 4987US4744418ADelayed polyacrylamide gelation process for oil recovery applicationsMARATHON OIL CO·Filed 1986·Granted May 17, 1988·62 cites·30 claims
- 5087US4461351AProcess for partially or completely plugging permeable zones in a subterranean formationMARATHON OIL CO·Filed 1983·Granted Jul 24, 1984·47 cites·23 claims
Showing the top 50 of 392 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when MARATHON OIL CO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →