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organic additives acts to reduce leakage of fluid in the sludge during the drilling of oil wells and its preparation process
organic additives acts to reduce leakage of fluid in the sludge during the drilling of oil wells and its preparation process
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机译:有机添加剂的作用是减少油井钻探及其制备过程中污泥中流体的泄漏
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摘要
The present invention has for object of the additives to the drilling fluids has oily base reducing the loss of fluid, and their preparation. These additives include a soluble lignite and a precursor polymer is soluble or capable of swelling in the oil.
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