Patent · US Active

Enhanced oil recovery with janus nanoparticles

US11827850B2 · kind B2 · utility

1Cited by

11References

10Claims

0Family size

Assignee

SAUDI ARABIAN OIL COMPANY · SA

Inventors

Wei Wang · Westborough, US
Sehoon Chang · Cambridge, US
Amr I. Abdel-Fattah · Dhahran, SA

Key dates

Filing date	Jul 21, 2021
Grant date	Nov 28, 2023
Priority date	—
Expiry date	Jul 21, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2208/10
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Enhanced oil recovery (EOR) including with a lamellar phase having Janus nanoparticles, petroleum surfactant, crude oil, and water and with additional water to give the flooding fluid that may be pumped through a wellbore into a subterranean formation to affect a property of hydrocarbon in the subterranean formation via contact of the flooding fluid with the hydrocarbon.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.