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本文结合史深100区块的地层特点,优选了钻井液体系和配方,文中介绍了该钻井液体系的选择原则、原理和配方,室内试验评价,现场处理维护措施及在多口井上的应用情况。实践证明,该钻井液体系具有很好的抗温、抑制、防塌、油气保护性能和润滑性能等,而且该钻井液体系维护简便,性能稳定,在防止粘卡、井漏等方面具有一定的作用。
Based on the stratigraphic characteristics of the Shishen-100 block, the drilling fluid system and formulation are optimized. The selection principles, principles and formulations of the drilling fluid system, laboratory tests, field treatment and maintenance measures, and application in multiple wells are introduced . Practice has proved that the drilling fluid system has good resistance to temperature, inhibition, anti-collapse, oil and gas protection and lubrication performance, etc., and the drilling fluid system is easy to maintain, stable performance, in preventing sticking, effect.