E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/27 (2006.01) C09K 8/035 (2006.01) C09K 8/12 (2006.01) C09K 8/22 (2006.01) C09K 8/72 (2006.01)
Patent
CA 2183339
New compositions are disclosed that are useful for the prevention of sludge or emulsions during the drilling or workover of producing oil wells. These compositions are comprised of a N,N-dialkylamide of a fatty acid, a hydrocarbon solvent for petroleum and a mutual oil/water solvent. Also taught and claimed is a method of preventing such sludge or emulsion formation or of breaking the same after it is formed.
Nouvelles compositions empêchant la formation de boues ou d'émulsions lors du forage ou du reconditionnement de puits de pétrole. Lesdites compositions sont faites d'une N, N-dialkyl-amide d'acide gras, d'un hydrocarbure solvant du pétrole et d'un solvant mixte eau/huile; et procédé associé empêchant la formation de boues ou d'émulsions, ou les désagrégeant après formation.
Buckman Laboratories International Inc.
Buckman Laboratories Of Canada Ltd.
Ridout & Maybee Llp
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