Inventor · disambiguated record
Donald L. Whitfill
Also filed as: WHITFILL DONALD · WHITFILL DONALD L · WHITFILL DONALD LEE
43 granted patents·5 pending applications·2,461 citations·filing 1974–2020
99Inventor score
Files withHALLIBURTON ENERGY SERV INC17HALLIBURTON ENERGY SERVICES INC11CONOCO INC8CONTINENTAL OIL CO2REDDY B RAGHAVA2
Top patents by PatentIndex Score
48 records- 0198US8739872B1Lost circulation composition for fracture sealingHALLIBURTON ENERGY SERV INC·Filed 2013·Granted Jun 3, 2014·63 cites·25 claims
- 0298US6702044B2Methods of consolidating formations or forming chemical casing or both while drillingHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Mar 9, 2004·316 cites·28 claims
- 0398US4986353APlacement process for oil field chemicalsCONOCO INC·Filed 1988·Granted Jan 22, 1991·362 cites·7 claims
- 0497US8383558B2Oilwell sealant compositions comprising alkali swellable latexHALLIBURTON ENERGY SERV INC·Filed 2009·Granted Feb 26, 2013·56 cites·21 claims
- 0597US7488705B2Oilwell sealant compositions comprising alkali swellable latexHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Feb 10, 2009·114 cites·64 claims
- 0697US7284611B2Methods and compositions for controlling lost circulation in subterranean operationsHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Oct 23, 2007·174 cites·53 claims
- 0797US6848519B2Methods of forming a chemical casingHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Feb 1, 2005·183 cites·50 claims
- 0897US6823940B2Methods of consolidating formations and forming a chemical casingHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Nov 30, 2004·195 cites·58 claims
- 0996US9932510B2Lost-circulation materials of two different types of fibersHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Apr 3, 2018·28 cites·23 claims
- 1096US8887808B2Engineered methods and materials for wellbore strengthening in subterranean operationsKUMAR ARUNESH·Filed 2011·Granted Nov 18, 2014·57 cites·7 claims
- 1195US6837316B2Methods of consolidating formationsHALLIBURTN ENERGY SERVICES INC·Filed 2003·Granted Jan 4, 2005·162 cites·37 claims
- 1294US8202824B2Variable density treatment fluidsREDDY B RAGHAVA·Filed 2008·Granted Jun 19, 2012·16 cites·17 claims
- 1394US7482309B2Methods of drilling wellbores using variable density fluids comprising coated elastic particlesHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Jan 27, 2009·78 cites·49 claims
- 1492US11091964B1Method to manage tandem single string reactive LCM pill applicationsHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Aug 17, 2021·4 cites·20 claims
- 1592US8043997B2Lost circulation material formulation and method of useHALLIBURTON ENERGY SERV INC·Filed 2008·Granted Oct 25, 2011·33 cites·15 claims
- 1692US7776797B2Lost circulation compositionsHALLIBURTON ENERGY SERV INC·Filed 2006·Granted Aug 17, 2010·26 cites·20 claims
- 1791US8517103B1Oil or gas treatment fluid containing a chelate or coordination complex that setsHALLIBURTON ENERGY SERV INC·Filed 2012·Granted Aug 27, 2013·8 cites·21 claims
- 1891US8132623B2Methods of using lost circulation compositionsALLIN MELISSA G·Filed 2006·Granted Mar 13, 2012·33 cites·35 claims
- 1990US10035941B2Multi-modal particle size distribution lost circulation materialHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Jul 31, 2018·8 cites·18 claims
- 2089US7749942B2Variable density fluids and methods of use in subterranean formationsHALLIBURTON ENERGY SERV INC·Filed 2008·Granted Jul 6, 2010·16 cites·20 claims
- 2189US7281583B2Self-dissolving lost circulation treatment for producing formationsHALLIBURTON ENERGY SERV INC·Filed 2005·Granted Oct 16, 2007·15 cites·11 claims
- 2289US6152227ADrilling and cementing through shallow waterflowsBAROID TECHNOLOGY INC·Filed 1998·Granted Nov 28, 2000·126 cites·19 claims
- 2388US4605069AMethod for producing heavy, viscous crude oilCONOCO INC·Filed 1984·Granted Aug 12, 1986·81 cites·11 claims
- 2487US5207282AMethod for inhibiting the initiation and propagation of formation fractures while drilling and casing a wellCONOCO INC·Filed 1992·Granted May 4, 1993·70 cites·10 claims
- 2586US10066143B2Resilient carbon-based materials as lost circulation materials and related methodsHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Sep 4, 2018·6 cites·16 claims
- 2686US8969264B2Oil or gas treatment fluid containing a chelate or coordination complex that setsHALLIBURTON ENERGY SERV INC·Filed 2013·Granted Mar 3, 2015·5 cites·19 claims
- 2786US8418763B1Self-degrading cement compositions and associated fluid loss applicationsDEEN LARRY R·Filed 2012·Granted Apr 16, 2013·13 cites·13 claims
- 2882US10982125B2Application of metal oxide-based cements in wellboresHALLIBURTON ENERGY SERVICES INC·Filed 2017·Granted Apr 20, 2021·2 cites·20 claims
- 2982US9022147B2Drilling fluid that when mixed with a cement composition enhances physical properties of the cement compositionRAVI KRISHNA M·Filed 2011·Granted May 5, 2015·4 cites·18 claims
- 3081US4957174AMethod of controlling lost circulation in well drillingCONOCO INC·Filed 1989·Granted Sep 18, 1990·40 cites·8 claims
- 3179US5180020AMethod for inhibiting the initiation and propagation of formation fractures while drillingCONOCO INC·Filed 1991·Granted Jan 19, 1993·43 cites·7 claims
- 3272US6932169B2System and method for developing and recycling drilling fluidsHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Aug 23, 2005·37 cites·16 claims
- 3372US6889780B2Method for drilling depleted sands with minimal drilling fluid lossHALLIBURTON ENERGY SERV INC·Filed 2002·Granted May 10, 2005·15 cites·20 claims
- 3471US11359131B2Multi-modal, low particle size distribution lost circulation materialHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Jun 14, 2022·1 cites·10 claims
- 3569US6968898B2System and method for removing particles from a well bore penetrating a possible producing formationHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Nov 29, 2005·23 cites·27 claims
- 3663US4819723AReducing the permeability of a rock formationCONOCO INC·Filed 1987·Granted Apr 11, 1989·36 cites·8 claims
- 3758US3962099AWater base drilling mud compositionCONTINENTAL OIL CO·Filed 1974·Granted Jun 8, 1976·7 cites·8 claims
- 3857US10442974B2Methods of enhancing fluid loss control using additivesHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Oct 15, 2019·1 cites·15 claims
- 3956US2015376491A1Lost circulation composition for fracture sealingHALLIBURTON ENERGY SERVICES INC·Filed 2013·Application pending·0 cites
- 4055US2014256602A1Drilling fluid that when mixed with a cement composition enhances physical properties of the cement compositionRAVI KRISHNA·Filed 2014·Application pending·0 cites
- 4153US9725975B2Engineered methods and materials for wellbore strengthening in subterranean operationsHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Aug 8, 2017·0 cites·13 claims
- 4253US2012196777A1Variable Pressure Weighting Material ParticlesREDDY B RAGHAVA·Filed 2012·Application pending·0 cites
- 4349US2016264842A1Settable compositions and uses thereofHALLIBURTON ENERGY SERVICES INC·Filed 2014·Application pending·0 cites
- 4446US11578544B2Mixing process and delivery of lost circulation slurriesHALLIBURTON ENERGY SERVICES INC·Filed 2017·Granted Feb 14, 2023·0 cites·23 claims
- 4544US2014038857A1Lost Circulation Material With A Multi-Modal Large Particle Size DistributionMILLER MATTHEW L·Filed 2012·Application pending·0 cites
- 4631US5012869AMethod for restricting gas influx during well cementingCONOCO INC·Filed 1990·Granted May 7, 1991·2 cites·5 claims
- 4731US4213762ADetermination of chromate ion in drilling mud filtratesCONOCO INC·Filed 1978·Granted Jul 22, 1980·1 cites·3 claims
- 4827US4062405AMethod of treating oil-bearing formations using molten sulfur insulating packer fluidCONTINENTAL OIL CO·Filed 1976·Granted Dec 13, 1977·1 cites·5 claims
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