Well acidizing compositions and method

Patent · Tue Jul 23 04:00:00 EDT 1991

OSTI ID:5680083

Gardener, T R; Dill, W R; Ford, W G.F.; King, K L

This patent describes a concentrate which forms an acid internal microemulsion well treatment composition when added to an acid treatment fluid. It comprises in the range of from about 20% to about 98% by weight of a hydrocarbon carrier fluid; in the range of from about 1% to about 50% by weight of an alkyl alcohol having in the range of from about 4 to 18 carbon atoms; and in the range of from about 1% to about 50% by weight of an emulsifying agent comprising at least one compound selected from the group consisting of amine salts having ester or amide linkages and propoxylated alcohols, each of the components being different compounds or different mixtures of compounds.

• Assignee: Halliburton Co., Duncan, OK (USA)
• Patent Number(s): US 5034140; A
• Application Number: PPN: US 7-441802
• OSTI ID: 5680083
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
023000 -- Petroleum-- Properties & Composition
ADDITIVES
CHEMICAL COMPOSITION
CHEMICAL REACTION KINETICS
DISPLACEMENT FLUIDS
DRILLING
EMULSIFIERS
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUELS
INJECTION WELLS
KINETICS
MICROEMULSION FLOODING
MISCIBLE-PHASE DISPLACEMENT
OIL WELLS
PETROLEUM
REACTION KINETICS
RECOVERY
RESERVOIR ROCK
STIMULATION
WELL DRILLING
WELL STIMULATION
WELLS