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Methods and oil-based settable drilling fluid compositions for drilling and cementing wells
Methods and oil-based settable drilling fluid compositions for drilling and cementing wells
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机译:用于钻井和固井的方法和油基可凝结钻井液组合物
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摘要
Methods for drilling well bores and cementing a pipe string in the well bores using oil-based settable drilling fluids are provided. The oil-based settable drilling fluid compositions basically comprise an oil external emulsion comprising oil, water and an emulsifying surfactant; a hydraulically settable component; and a de-emulsifying surfactant for de-emulsifying the oil-external emulsion when the emulsion is cured.
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