Fluid additive and method for treatment of subterranean formations

Patent · Tue Dec 18 04:00:00 EST 1990

OSTI ID:5212897

Himes, R E; Simon, D E

This paper describes a method of removing a polysaccharide adsorbed on a clay contained in a subterranean formation. It comprises: injecting an aqueous treatment fluid into a subterranean formation. The fluid includes at least about 0.05 percent by weight of a fluid additive comprising at least one member selected from the group of tetraalkylammonium halides wherein the alkyl group is selected from methyl, ethyl, propyl and butyl radicals and trimethylammonium halide and maintaining the treatment fluid within the subterranean formation and in contact with the clay for a sufficient time to remove at least a portion of the adsorbed polysaccharide from the clay.

• Assignee: Halliburton Co., Duncan, OK (USA)
• Patent Number(s): A; US 4977962
• Application Number: PPN: US 7-330232
• OSTI ID: 5212897
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
ADDITIVES
AMMONIUM COMPOUNDS
AMMONIUM HALIDES
AQUEOUS SOLUTIONS
CARBOHYDRATES
DISPERSIONS
FLUID INJECTION
FLUIDS
HALIDES
HALOGEN COMPOUNDS
MIXTURES
NATURAL GAS WELLS
OIL WELLS
ORGANIC COMPOUNDS
POLYSACCHARIDES
REMOVAL
SACCHARIDES
SOLUTIONS
STIMULATION
WELL STIMULATION
WELLS
WORKING FLUIDS