Inventor · disambiguated record
Subramanian Kesavan
Also filed as: KESAVAN SUBRAMANIAN
29 granted patents·11 pending applications·1,580 citations·filing 1996–2023
97Inventor score
Top patents by PatentIndex Score
40 records- 0199US6169058B1Compositions and methods for hydraulic fracturingBJ SERVICES CO·Filed 1997·Granted Jan 2, 2001·669 cites·58 claims
- 0298US6228812B1Compositions and methods for selective modification of subterranean formation permeabilityBJ SERVICES CO·Filed 1999·Granted May 8, 2001·280 cites·44 claims
- 0397US7772421B2Compositions having HASE rheology modifiersRHODIA·Filed 2006·Granted Aug 10, 2010·33 cites·1 claims
- 0496US5735349ACompositions and methods for modifying the permeability of subterranean formationsBJ SERVICES CO·Filed 1996·Granted Apr 7, 1998·211 cites·10 claims
- 0593US8969261B2Rheology modifier compositions and methods of useTALINGTING PABALAN RUELA·Filed 2011·Granted Mar 3, 2015·28 cites·42 claims
- 0693US6767868B2Breaker system for fracturing fluids used in fracturing oil bearing formationsBJ SERVICES CO·Filed 2001·Granted Jul 27, 2004·78 cites·23 claims
- 0790US6017855APolymer expansion for oil and gas recoveryBJ SERVICES CO·Filed 1998·Granted Jan 25, 2000·72 cites·28 claims
- 0888US11485901B2Polymeric systems for particle dispersionRHODIA OPERATIONS·Filed 2017·Granted Nov 1, 2022·4 cites·21 claims
- 0988US8505631B2Compositions having HASE rheology modifiersYANG HUI SHIRLEY·Filed 2011·Granted Aug 13, 2013·4 cites·15 claims
- 1087US7789160B2Addition of nonionic surfactants to water soluble block copolymers to increase the stability of the copolymer in aqueous solutions containing salt and/or surfactantsRHODIA·Filed 2008·Granted Sep 7, 2010·10 cites·15 claims
- 1187US6387853B1Derivatization of polymers and well treatments using the sameBJ SERVICES CO·Filed 1998·Granted May 14, 2002·74 cites·53 claims
- 1286US9062238B2Methods and compositions for viscosifying heavy aqueous brinesKESAVAN SUBRAMANIAN·Filed 2010·Granted Jun 23, 2015·7 cites·29 claims
- 1383US10239960B2Phosphonated polysaccharides and gels and process for making sameRHODIA OPERATIONS·Filed 2016·Granted Mar 26, 2019·2 cites·18 claims
- 1481US8215398B2Polysaccharide based scale inhibitorKESAVAN SUBRAMANIAN·Filed 2008·Granted Jul 10, 2012·6 cites·27 claims
- 1581US6649572B2Polymer expansion for oil and gas recoveryB J SERVICES COMPANY·Filed 2001·Granted Nov 18, 2003·21 cites·45 claims
- 1679US6383990B1Polymer expansion for oil and gas recoveryBJ SERVICES CO·Filed 1999·Granted May 7, 2002·48 cites·14 claims
- 1774US7629296B2Composition and method for thickening heavy aqueous brines with cationic guarRHODIA·Filed 2005·Granted Dec 8, 2009·4 cites·18 claims
- 1868US11649709B2Polymer blends for stimulation of oil and gas wellsENERGY SOLUTIONS US LLC·Filed 2021·Granted May 16, 2023·0 cites·8 claims
- 1968US7012044B2Oil and gas recovery from subterranean formationsBJ SERVICES CO·Filed 2003·Granted Mar 14, 2006·20 cites·33 claims
- 2067US10844140B2Phosphonated polysaccharides and gels and process for making sameRHODIA OPERATIONS·Filed 2019·Granted Nov 24, 2020·0 cites·20 claims
- 2166US2025187994A1Composition comprising particles of silicate and a gumSPECIALTY OPERATIONS FRANCE·Filed 2023·Application pending·0 cites
- 2263US10982519B2Polymer blends for stimulation of oil and gas wellsRHODIA OPERATIONS·Filed 2017·Granted Apr 20, 2021·0 cites·12 claims
- 2361US2022000100A1Water conditioning and drift control compositions and methods of useRHODIA OPERATIONS·Filed 2021·Application pending·0 cites
- 2460US9732213B2Rheology modifier compositions and methods of useRHODIA OPERATIONS·Filed 2015·Granted Aug 15, 2017·0 cites·4 claims
- 2560US8828914B2Methods for controlling depolymerization of polymer compositionsKESAVAN SUBRAMANIAN·Filed 2010·Granted Sep 9, 2014·4 cites·21 claims
- 2660US7404442B2Method of recycling fracturing fluids using a self-degrading foaming compositionRHODIA·Filed 2006·Granted Jul 29, 2008·5 cites·13 claims
- 2759US2019090477A1Water conditioning and drift control compositions and methods of useRHODIA OPERATIONS·Filed 2018·Application pending·0 cites
- 2850US8883694B2Polysaccharide slurries with environmentally friendly activator solventsRHODIA OPERATIONS·Filed 2013·Granted Nov 11, 2014·0 cites·18 claims
- 2946US9428684B2Addition of zwitterionic surfactant to water soluble polymer to increase the stability of the polymers in aqueous solutions containing salt and/or surfactantsHOUGH LAWRENCE ALAN·Filed 2008·Granted Aug 30, 2016·0 cites·27 claims
- 3044US11186758B2Shear recovery for viscosifying surfactants in stimulation fluidsRHODIA OPERATIONS·Filed 2017·Granted Nov 30, 2021·0 cites·8 claims
- 3143US2014255691A1Dispersible fiber bundles and suspensions using environmentally-friendly solventsRHODIA OPERATIONS·Filed 2014·Application pending·0 cites
- 3242US10844277B2Self-diverting acidizing systemRHODIA OPERATIONS·Filed 2017·Granted Nov 24, 2020·0 cites·11 claims
- 3342US2007281871A1Self-hydrating, self-crosslinking guar compositions and methodsKESAVAN SUBRAMANIAN·Filed 2007·Application pending·0 cites
- 3441US10323051B2Methods for controlling depolymerization of polymer compositionsWOODWARD GARY·Filed 2012·Granted Jun 18, 2019·0 cites·2 claims
- 3541US2006068994A1Fast hydrating guar powder, method of preparation, and methods of useKESAVAN SUBRAMANIAN·Filed 2005·Application pending·0 cites
- 3641US2008132431A1Scale squeeze treatment methods and systemsDE CAMPO FLORYAN·Filed 2007·Application pending·0 cites
- 3739US2014005079A1Environmentally Friendly Solvent Systems/Surfactant Systems For Drilling FluidsDAHANAYAKE MANILAL S·Filed 2013·Application pending·0 cites
- 3839US2017088769A1Aqueous guar compositions for use in oil field and slickwater applicationsRHODIA OPERATIONS·Filed 2015·Application pending·0 cites
- 3936US2008200351A1Method of recycling fracturing fluids using a self-degrading foaming compositionDAHANAYAKE MANILAL S·Filed 2008·Application pending·0 cites
- 4032US2006073988A1Fast hydrating guar powder, method of preparation, and methods of useKESAVAN SUBRAMANIAN·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →