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DRILLINGS FLUIDS CONTAINING AN ALKALI METAL FORMATE
DRILLINGS FLUIDS CONTAINING AN ALKALI METAL FORMATE
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机译:含碱金属甲酸盐的钻井液
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摘要
A drilling fluid or mud is described wherein the drilling fluid contains at least one alkali metal formate or monovalent carboxylic acid salt. The drilling fluid preferably further contains at least one emulsifier or surfactant and at least one hydrocarbon-based fluid. The drilling fluids of the present invention can contain other conventional ingredients. The present invention permits drilling fluids to be essentially solids free due to to the use of the alkali metal formate.
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