Biodegradable foaming agent in drilling and workover operations
Patent
·
OSTI ID:6142755
A method is describes for conducting foam drilling and workover operations in a bore hole penetrating a subterranean reservoir employing an aqueous solution of a biodegradable foaming agent composition containing about 0.1 to 1 part by weight of an N-fatty ethyl sulfate salt. A particularly preferred foaming egent composition contains sodium 2-(N-lauryl) ethyl sulfate and sodium laurate.
- Assignee:
- Union Oil Co. of California
- Patent Number(s):
- US 4121664
- OSTI ID:
- 6142755
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ALKALI METAL COMPOUNDS
ALKYL RADICALS
AMMONIUM COMPOUNDS
AQUEOUS SOLUTIONS
CARBOXYLIC ACIDS
COLLOIDS
DISPERSIONS
DRILLING
DRILLING FLUIDS
ETHYL RADICALS
FOAMS
MIXTURES
ORGANIC ACIDS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
RADICALS
SOLUTIONS
SULFATES
SULFUR COMPOUNDS
WELL DRILLING
020300* -- Petroleum-- Drilling & Production
ALKALI METAL COMPOUNDS
ALKYL RADICALS
AMMONIUM COMPOUNDS
AQUEOUS SOLUTIONS
CARBOXYLIC ACIDS
COLLOIDS
DISPERSIONS
DRILLING
DRILLING FLUIDS
ETHYL RADICALS
FOAMS
MIXTURES
ORGANIC ACIDS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
RADICALS
SOLUTIONS
SULFATES
SULFUR COMPOUNDS
WELL DRILLING