Polyamide emulsifier based on alkoxylated polyamines and fatty acid/carboxylic acid for oil based drilling fluid applications

The present invention generally relates to emulsifiers for oil-based drilling muds comprising an emulsifier based on the polyamides derived from fatty acid/carboxylic acid and alkoxylated polyamines. The invention also relates to oil or synthetic based drilling fluids comprising the emulsifiers of t...

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Hauptverfasser: STEICHEN, DALE STANLEY, JAMES, ALAN DUNCAN, HIMMEL, THOMAS WILLIAM, STALEY, JON B, YU, HUA
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:The present invention generally relates to emulsifiers for oil-based drilling muds comprising an emulsifier based on the polyamides derived from fatty acid/carboxylic acid and alkoxylated polyamines. The invention also relates to oil or synthetic based drilling fluids comprising the emulsifiers of the invention and to drilling methods utilizing same.