Organosilicon polymer having nonrandom crosslinkages useful in enhanced oil recovery using carbon dioxide flooding

Patent · Tue Apr 07 00:00:00 EDT 1992

OSTI ID:5157867

Davis, B W

This patent describes a composition. It comprises a solution of carbon dioxide, a cosolvent, and a polymer, wherein the polymer comprises an organosilicon double-chain polymer having nonrandom crosslinkages that enhance backbone rigidity and wherein the cosolvent is selected from the group consisting of: alcohols having from 1 to 8 carbon atoms, aromatics having a single ring and from 6 to 10 carbon atoms, ketones having from 3 to 10 carbon atoms, carboxylic acid esters where the carboxylic acid portion has from 2 to 4 carbon atoms and the ester portion has from 1 to 10 carbon atoms, and hydrocarbons having from 3 to 20 carbon atoms.

• Assignee: Chevron Research and Technology Co., San Francisco, CA (United States)
• Patent Number(s): US 5102560; A
• Application Number: PPN: US 7-615953
• OSTI ID: 5157867
• Resource Relation: Patent File Date: 20 Nov 1990
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
OIL WELLS
ENHANCED RECOVERY
POLYMERS
CHEMICAL COMPOSITION
AROMATICS
CARBON DIOXIDE INJECTION
HYDROCARBONS
ORGANIC SOLVENTS
SILICON COMPOUNDS
SOLVENT EXTRACTION
EXTRACTION
FLUID INJECTION
MISCIBLE-PHASE DISPLACEMENT
ORGANIC COMPOUNDS
SEPARATION PROCESSES
SOLVENTS
WELLS
020300* - Petroleum- Drilling & Production
400105 - Separation Procedures
023000 - Petroleum- Properties & Composition