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Biodegradable additive concentrate improving the lubricity of aqueous sludges, use thereof and aqueous sludge for drilling
Biodegradable additive concentrate improving the lubricity of aqueous sludges, use thereof and aqueous sludge for drilling
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机译:可生物降解的添加剂浓缩物,可改善水性污泥的润滑性,其用途和用于钻井的水性污泥
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摘要
Biodegradable additive concentrate with pour point according to standard ASTM D 97 below −5° C., improving the lubricity of water-based muds, comprising at least one compound selected from the group consisting of:the diglycerol mono- and diesters,the acids and the ester derivatives of monocarboxylic fatty acids comprising from 16 to 22 carbon atoms per chain,the acids and the ester derivatives of resin acids,the monoesters of polyol comprising more than 4 hydroxylated groups and of carboxylic fatty acids comprising from 6 to 12 carbon atoms, saturated and unsaturated by at least one unsaturation, andthe mono- and polyalkoxylated esters of saturated and unsaturated dicarboxylic acids comprising from 6 to 12 carbon atoms.;The use of this concentrate in a water-based mud and the water-based mud containing said concentrate that can be used for drilling.
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