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As a function of the flue signal losses reducing additives for drilling hole flue signal processing speeds
As a function of the flue signal losses reducing additives for drilling hole flue signal processing speeds
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机译:作为烟道信号损失的函数,减少了用于钻孔烟道信号处理速度的添加剂
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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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