Inventor
ZHOU NANCY CHUN
US2 patents
Patents
2 patentsUS12565618B2Mar 3, 2026
Di-alkyl chain surfactants as a main surfactant for enhancing oil recovery for tight oil formations
CNPC USA CORP0 citations56
US11649395B2May 16, 2023
Nonionic surfactants employed with extended chain as the oil displacement agent to use in enhanced oil recovery
CNPC USA CORP0 citations54