Wells – Processes – Cleaning or unloading well
Patent
1987-08-17
1989-01-10
Guynn, Herbert B.
Wells
Processes
Cleaning or unloading well
166291, 252 8551, E21B 3700, E21B 4300
Patent
active
047967030
ABSTRACT:
A composition for use in agglomerating and removing solid contaminants in well fluids is disclosed. The composition comprises a carrier and the amide/glyceride reaction product obtained by heating a secondary amine in the presence of a fat or oil. The composition is used in processes to agglomerate the solids in contaminated well fluid and in which the agent is diluted and used as a preflush prior to replacing drilling mud with fresh well fluid.
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Gabel Robert K.
Law Robert E.
Guynn Herbert B.
Nalco Chemical Company
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