Inventor
KESAVAN SUBRAMANIAN
US29 patents
⚠️ This page may combine multiple inventors who share the name “KESAVAN SUBRAMANIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BJ SERVICES CO
8 patentsUS6228812B1May 8, 2001
Compositions and methods for selective modification of subterranean formation permeability
BJ SERVICES CO280 citations98
US6169058B1Jan 2, 2001
Compositions and methods for hydraulic fracturing
BJ SERVICES CO669 citations98
US5735349AApr 7, 1998
Compositions and methods for modifying the permeability of subterranean formations
BJ SERVICES CO211 citations98
US6767868B2Jul 27, 2004
Breaker system for fracturing fluids used in fracturing oil bearing formations
BJ SERVICES CO78 citations96
US6387853B1May 14, 2002
Derivatization of polymers and well treatments using the same
BJ SERVICES CO74 citations96
US6383990B1May 7, 2002
Polymer expansion for oil and gas recovery
BJ SERVICES CO48 citations96
US6017855AJan 25, 2000
Polymer expansion for oil and gas recovery
BJ SERVICES CO72 citations96
US7012044B2Mar 14, 2006
Oil and gas recovery from subterranean formations
BJ SERVICES CO20 citations92
RHODIA OPERATIONS
8 patentsUS11485901B2Nov 1, 2022
Polymeric systems for particle dispersion
RHODIA OPERATIONS4 citations71
US10239960B2Mar 26, 2019
Phosphonated polysaccharides and gels and process for making same
RHODIA OPERATIONS2 citations71
US10982519B2Apr 20, 2021
Polymer blends for stimulation of oil and gas wells
RHODIA OPERATIONS0 citations60
US9732213B2Aug 15, 2017
Rheology modifier compositions and methods of use
RHODIA OPERATIONS0 citations51
US10844140B2Nov 24, 2020
Phosphonated polysaccharides and gels and process for making same
RHODIA OPERATIONS0 citations50
US11186758B2Nov 30, 2021
Shear recovery for viscosifying surfactants in stimulation fluids
RHODIA OPERATIONS0 citations49
US8883694B2Nov 11, 2014
Polysaccharide slurries with environmentally friendly activator solvents
RHODIA OPERATIONS0 citations49
US10844277B2Nov 24, 2020
Self-diverting acidizing system
RHODIA OPERATIONS0 citations45
RHODIA
4 patentsUS7772421B2Aug 10, 2010
Compositions having HASE rheology modifiers
RHODIA33 citations95
US7789160B2Sep 7, 2010
Addition of nonionic surfactants to water soluble block copolymers to increase the stability of the copolymer in aqueous solutions containing salt and/or surfactants
RHODIA10 citations82
US7629296B2Dec 8, 2009
Composition and method for thickening heavy aqueous brines with cationic guar
RHODIA4 citations62
US7404442B2Jul 29, 2008
Method of recycling fracturing fluids using a self-degrading foaming composition
RHODIA5 citations62
KESAVAN SUBRAMANIAN
3 patentsUS9062238B2Jun 23, 2015
Methods and compositions for viscosifying heavy aqueous brines
KESAVAN SUBRAMANIAN7 citations83
US8215398B2Jul 10, 2012
Polysaccharide based scale inhibitor
KESAVAN SUBRAMANIAN6 citations82
US8828914B2Sep 9, 2014
Methods for controlling depolymerization of polymer compositions
KESAVAN SUBRAMANIAN4 citations69