Spray dried emulsifier compositions, methods for their preparation, and their use in oil-based drilling fluid compositions
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United States of America Patent
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Sep 4, 2012
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app pub date -
Jan 18, 2006
filing date -
Jan 18, 2006
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Abstract
Spray dried emulsifier compositions are described, which have desirable emulsifying and wetting characteristics. Among other advantages, the solid particulate emulsifier compositions greatly reduce transportation costs and simplify the logistics and environmental concerns associated with shipping large volumes of solvent-containing liquids. The emulsifier comprises (1) a carboxylic acid terminated fatty amine condensate or (2) a modified tall oil or (3) a blend of (1) and (2) that is converted to its alkali or alkaline earth metal salt and spray dried.
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