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进入21世纪以来,海外工程中深井、超趁深井复杂井数量不断增加,这对钻井液技术提出了更高的要求,特别是高温下钻井液流变性和滤失量的控制成为制约钻井液技术发展的主要因素,原有的钻井液处理剂和钻井液体系已不能完全满足超深井钻井技术发展的需要,研究开发适用于深井,超深井的抗高温、控制失水钻井液处理剂和钻井液体系,以满足钻井工程的需要。本文介绍的就是这种技术的研究与应用。
Since entering the 21st century, the number of deep wells and ultra-deep wells in overseas projects has been increasing. This poses higher requirements for drilling fluid technology. In particular, the control of drilling fluid rheology and fluid loss at high temperatures has become a challenge to drilling fluid technology The main factors of development, the original drilling fluid treatment agent and drilling fluid system can not fully meet the needs of ultra-deep well drilling technology development, research and development applicable to deep wells, ultra-deep well of high temperature, control dehydration drilling fluid treatment agent and drilling fluid Department, to meet the needs of drilling engineering. This article describes the research and application of this technology.