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分析了国外冻土和冰层取心钻探冲洗液应用技术现状,从冲洗液抗低温能力,防冻剂和抗低温处理剂的选择,以及泥浆的抑制性、降失水性等方面对高原冻土水合物钻探冲洗液的研究和野外应用提出了建议。
The status quo of application technology of coring drilling fluid in permafrost and ice field abroad is analyzed. From the aspects of low temperature resistance of washing liquid, selection of antifreeze agent and anti-low temperature treatment agent, inhibition of mud and loss of water, Proposed hydrate drilling fluid research and field applications.