Inventor
THACH SOPHANY
US26 patents
⚠️ This page may combine multiple inventors who share the name “THACH SOPHANY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEVRON USA INC
18 patentsUS9909053B2Mar 6, 2018
Polymer compositions
CHEVRON USA INC34 citations97
US9902894B2Feb 27, 2018
Polymer compositions
CHEVRON USA INC34 citations97
US9896617B2Feb 20, 2018
Polymer compositions
CHEVRON USA INC35 citations97
US9976072B2May 22, 2018
Multicarboxylate compositions and method of making the same
CHEVRON USA INC43 citations96
US7770641B2Aug 10, 2010
Method for enhancing oil recovery with an improved oil recovery surfactant
CHEVRON USA INC78 citations96
US9902895B2Feb 27, 2018
Polymer compositions
CHEVRON USA INC33 citations93
US9617464B2Apr 11, 2017
Mixed carbon length synthesis of primary guerbet alcohols
CHEVRON USA INC43 citations93
US9605198B2Mar 28, 2017
Mixed carbon length synthesis of primary Guerbet alcohols
CHEVRON USA INC43 citations91
US9752071B2Sep 5, 2017
Composition and method for remediation of near wellbore damage
CHEVRON USA INC21 citations90
US10011757B2Jul 3, 2018
Method for remediation of damage in regions of formations near injection wells
CHEVRON USA INC16 citations89
US11591893B2Feb 28, 2023
PH control in fluid treatment
CHEVRON USA INC4 citations83
US10233382B2Mar 19, 2019
Method of using multicarboxylate compositions in enhanced oil recovery
CHEVRON USA INC6 citations83
US11242739B2Feb 8, 2022
Treating fluid comprising hydrocarbons, water, and polymer
CHEVRON USA INC7 citations82
US11834606B2Dec 5, 2023
Treating fluid comprising hydrocarbons, water, and polymer
CHEVRON USA INC2 citations70
US11248159B2Feb 15, 2022
Method of using multicarboxylate compositions in enhanced oil recovery
CHEVRON USA INC0 citations61
US12312534B2May 27, 2025
Treating fluid comprising hydrocarbons, water, and polymer
CHEVRON USA INC0 citations60
US12215276B2Feb 4, 2025
Ph control in fluid treatment
CHEVRON USA INC0 citations59
US12037542B2Jul 16, 2024
Method of using multicarboxylate compositions in enhanced oil recovery
CHEVRON USA INC0 citations56
ATLANTIC RICHFIELD CO
6 patentsUS5529122AJun 25, 1996
Method for altering flow profile of a subterranean formation during acid stimulation
ATLANTIC RICHFIELD CO61 citations96
US5434192AJul 18, 1995
High-stability foams for long-term suppression of hydrocarbon vapors
ATLANTIC RICHFIELD CO52 citations94
US5296164AMar 22, 1994
High-stability foams for long-term suppression of hydrocarbon vapors
ATLANTIC RICHFIELD CO44 citations94
US5265651ANov 30, 1993
Foam reduction of vapor emissions from storage tanks
ATLANTIC RICHFIELD CO9 citations74
US5564456AOct 15, 1996
Method for mitigating slugs in a pipeline
ATLANTIC RICHFIELD CO7 citations73
US4701271AOct 20, 1987
Treating oil-water-surfactant emulsions with strong inorganic acid
ATLANTIC RICHFIELD CO5 citations56