Additive compositions for drilling fluids and methods for their use
There is disclosed an additive composition for a drilling fluid, as well as a method of increasing the lubricity and reducing the coefficient of friction of a drilling fluid. The additive composition contains a polymeric ester formed from the reaction product of i) a triglyceride of a hydroxy fatty...
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Sprache: | eng |
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Zusammenfassung: | There is disclosed an additive composition for a drilling fluid, as well as a method of increasing the lubricity and reducing the coefficient of friction of a drilling fluid. The additive composition contains a polymeric ester formed from the reaction product of i) a triglyceride of a hydroxy fatty acid; ii) at least one dicarboxylic acid or an ester or anhydride thereof; iii) and a polyalkylene glycol. |
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