Patents Assigned to Sasol Performance Chemicals GmnH
  • Alkyl Alkoxylated Carboxylate Salts as Steam Foam Additives for Heavy Oil Recovery
    Publication number: 20210253940
    Abstract: Recovering heavy oil from a subterraneous formation penetrated by at least one injection well and one production well, by injecting into the injection well a mixture of steam and an alkyl alkoxylated carboxylate salt, increasing the apparent viscosity of the steam while at the same time lowering the steam mobility, and recovering oil from the subterranean formation.
    Type: Application
    Filed: March 15, 2019
    Publication date: August 19, 2021
    Applicant: Sasol Performance Chemicals GmnH
    Inventors: Thu NGUYEN, Renke ROMMERSKIRCHEN, Jorge FERNANDEZ