Subterranean permeability modification by using microbial polysaccharide polymers

Patent · Tue Jul 17 00:00:00 EDT 1990

OSTI ID:6505073

Buller, C S; Vossoughi, S

This patent describes an improvement in a method for enhanced recovery of hydrocarbon fluids by the injection of a flooding fluid into a subterranean hydrocarbon fluid bearing formation through an injection well extending from the surface of the earth into the formation, to displace in situ hydrocarbon fluids from the formation towards at least one production well spaced at a distance away from the injection well. Also described is a process of selectively blocking the migration of fluids in a permeable, porous, earth formation body having hydrocarbon fluids therein.

• Assignee: Univ. of Kansas, Lawrence, KS (USA)
• Patent Number(s): US 4941533; A
• Application Number: PPN: US s 7-352733
• OSTI ID: 6505073
• Resource Relation: Patent File Date: 16 May 1989
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
03 NATURAL GAS
NATURAL GAS WELLS
PLUGGING
OIL WELLS
PLUGGING AGENTS
CHEMICAL COMPOSITION
ORGANIC POLYMERS
POLYSACCHARIDES
WELL COMPLETION
CARBOHYDRATES
ORGANIC COMPOUNDS
POLYMERS
SACCHARIDES
WELLS
020300* - Petroleum- Drilling & Production
030300 - Natural Gas- Drilling
Production
& Processing