DRILLING MUD
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引用本文：.DRILLING MUD[J].钻探工程,1983,(3):63.
. [J]. Drilling Engineering, 1983,(3):63.
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中文摘要:--Increasing sample and core recovery-In sampling operations,the column of mud in a drill hole helps to retain the samples inthe sampler while the tools are being pulled. The coating andgelling action of a drilling mud can also increase core recoveryin br
 
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