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。
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。
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.
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