Patent · US Active

Method for treating a formation with a solvent

US9353309B2 · kind B2 · utility

2Cited by
92References
19Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 30, 2007
Grant dateMay 31, 2016
Priority date
Expiry dateApr 10, 2032

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K8/86
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention includes compositions and methods for treating a hydrocarbon-bearing formation by contacting the hydrocarbon-bearing formation with a fluid that includes at least one of a polyol or polyol ether, wherein the polyol and polyol ether independently have from 2 to 25 carbon atoms; and at least one of a monohydroxy alcohol, ether, or ketone, wherein the monohydroxy alcohol, ether, and ketone independently have from 1 to 4 carbon atoms, and wherein the at least one of a polyol or polyol ether is present in the fluid at at least 50 weight percent, based on the total weight of the fluid.

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