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岩心钻探中处理复杂地层最基本的技术措施就是使用泥浆护孔.实践证明,钻进中遇到坍塌掉块、膨胀缩径、漏水、涌水或膏盐等地层,如能正确使用泥浆,在很大程度上可以防止或减轻复杂情况的发生.利用泥浆对付复杂地层,我国广大钻探工人在长期的生产斗争中积累了许多宝贵的经验.特别是文化大革命以来,又有了新的发展.一些行之有效的处理剂如栲胶碱液、钠一羧甲基纤维素、铁铬盐、铬制剂及香叶粉等,均已得到日益广泛的应用,一些新型的泥浆如钙处理泥浆、低固相泥浆、充气泡沫泥浆、乳化泥浆等,有的已经推广使用,有的正在提到议事
Core drilling is the most basic technical measures to deal with complex formation is the use of mud retaining hole. Practice has proved that drilling encountered collapsed block, expansion diameter, leakage, gushing water or salt and other formations, such as the proper use of mud, very To a large extent, it can prevent or mitigate the occurrence of complicated situations.Using mud against complex formations, the vast majority of our drilling workers have accumulated many valuable experiences in the long-term struggle for production, especially since the Cultural Revolution. The effective treatment agents such as gum base liquor, sodium carboxymethyl cellulose, iron chromium salts, chromium preparations and bay leaf powder, have been increasingly widely used, some new types of mud such as calcium treatment, low solid Phase mud, inflatable foam slurry, emulsion slurry, etc., and some have been promoting the use of, and some are mentioned in the proceedings