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| 钻井泥浆 | |
| 引用本文： | 林剑秋.钻井泥浆[J].探矿工程,1983(3):63-63. |
| 作者姓名： | 林剑秋 |
| 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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