Liquid composition and method of use for producing a foamed stimulation fluid for oil and gas wells

Patent · Tue May 03 04:00:00 EDT 1988

OSTI ID:7041328

Posey, K Jr

An additive suitable for use with a water-soluble acid in treating subterranean strata adjacent a wellbore penetrating the subterranean strata is described comprising: from about 10 to about 40 volume percent of a foaming agent comprising mixed salts of alkyl ether sulfates and alkyl sulfonates effective for producing foamed solutions of the additive and the water-soluble acid having a half-life of at least 30 minutes and a foam quality of at least 60% for use in treating subterranean strata; and from about 90 to about 60 volume percent of an alcohol mixture which comprises at least 2 volume percent of at least one eight-carbon aliphatic alcohol and at least 22 volume percent of at least one aliphatic alcohol having less than five carbon atoms.

• Assignee: Amoco Corp., Chicago, IL
• Patent Number(s): US 4741844
• OSTI ID: 7041328
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030900 -- Natural Gas-- Artificial Stimulation
Plowshare-- (-1989)
ACIDIZATION
ALCOHOLS
CHEMICAL COMPOSITION
COLLOIDS
DISPERSIONS
DISPLACEMENT FLUIDS
ENERGY SOURCES
FLUIDS
FOAMS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
HYDROXY COMPOUNDS
NATURAL GAS
NATURAL GAS WELLS
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXYGEN COMPOUNDS
PETROLEUM
QUANTITY RATIO
STIMULATION
SULFATES
SULFONATES
SULFUR COMPOUNDS
WELL STIMULATION
WELLS
WORKING FLUIDS