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。
The method of building salt pan is that mud, sand and salt are pounded into pieces and mixed and pressed well. In which the content of salt may reach 40%.
盐田修建方法为粘土、沙、盐三种物料尽量弄碎并混合均匀、压实，含盐量最高可达40%。
The method of building salt pan is that mud, sand and salt are pounded into pieces and mixed and pressed well. In which the content of salt may reach 40%.
盐田修建方法为粘土、沙、盐三种物料尽量弄碎并混合均匀、压实，含盐量最高可达40%。
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