Heteropolysaccharide preparation and use thereof as a mobility control agent in enhanced oil recovery

Patent · Tue Aug 17 00:00:00 EDT 1993

OSTI ID:6315740

Robison, P D; Stipanovic, A J; Stypulkoski, C E; Wan, N C; Easter, S

A method is described of enhancing the recovery of oil from a petroleum-rich reservoir comprising at least one step of injecting into said reservoir an aqueous solution of the heteropolysaccharide produced by the variant strain of Agrobacterium Radiobacter which is deposited under Accession Number ATCC 53271.

• Assignee: Texaco Inc., White Plains, NY (United States)
• Patent Number(s): US 5236046; A
• Application Number: PPN: US 7-642937
• OSTI ID: 6315740
• Resource Relation: Patent File Date: 18 Jan 1991
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
59 BASIC BIOLOGICAL SCIENCES
OIL WELLS
FLUID INJECTION
POLYSACCHARIDES
BIOSYNTHESIS
AQUEOUS SOLUTIONS
BACTERIA
CROSS-LINKING
DISPLACEMENT FLUIDS
ENHANCED RECOVERY
GELS
PETROLEUM
VISCOSITY
CARBOHYDRATES
CHEMICAL REACTIONS
COLLOIDS
DISPERSIONS
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUELS
MICROORGANISMS
MIXTURES
ORGANIC COMPOUNDS
POLYMERIZATION
SACCHARIDES
SOLUTIONS
SYNTHESIS
WELLS
020300* - Petroleum- Drilling & Production
550700 - Microbiology