The drilling of waste soil, drilling mud should be cleared promptly.
对钻探中的废土、钻孔泥浆应及时清理。
Methods of preparation of a oil field drilling mud water - loss control additive with waste PAN fiber hydrolyzed at high pressure had been studied and had tested its properties.
研究了用废腈纶经高压釜中水解制备油田钻井泥浆降失水剂的方法，并进行了性能试验。
This image shows another waste pit at a hydro-fracing drill site. Again, we see a waste pit for drilling mud.
这个废料坑位于一处水力压裂钻探场，它再次揭示了对废料坑的再次开采。
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