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中文摘要：
从液一固两相流体动力学基本理论出发，结合钻井液携岩原理及钻井工程需要，探讨了特定工况下钻井液允许流变参数范围的计算方法。建立了钻井液流变参数允许调控范围计算模型。开发了钻井液合理流变参数计算系统软件。计算结果表明，钻井液密度、排量、塑性黏度及泥浆泵缸套缸径中任一项增大，都将使钻井液允许的流变参数调控范围变窄，钻井液排量的影响尤其明显。泥浆泵排量是控制流变参数允许调控范围上限的主要因素，而其下限则主要受钻井液密度影响。
英文摘要：
Based on the dynamics theories of the solid-liquid systems, considered the needs for drilling and the principles of carry and suspend formation cuttings, a reasonable method for the calculation of permitted rheological parameters control window of drilling fluid under certain given assumptions, established corresponding computation- al model is discussed, and finally, developed the corresponding calculation software. The calculation results show that any one of the drilling fluid density, displacement, plastic viscosity and mud pump cylinder liner bore increa- ses would lead to the permitted rheological parameters control window turn out to be narrow. The influence of drill- ing fluid displacement on regulation range is particularly evident. Mud pump displacement is the main factors which affect the maximum range of the permitted rheological parameters control window. And the lower range is mainly controlled by the drilling fluid density.
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