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    The cementing materials are Jiahua class G cement, 35% silica flour (BWOC) , anti-migration additive G60-S and high temperature retarder H-88. Double plugs are used during cementing and the slurry density designed is at 1. 87 g/cm3. The average density is 1. 83 g/cm3 in cementing job.
    固井水泥采用嘉华G级加35%硅粉,外加剂用G60S防窜剂和H88高温缓凝剂,固井采用双胶塞,固井时水泥浆平均密度为1.83g/cm~3。
    New cementing materials and technique developed on the Concept of High Packing Density
    紧密堆积理论优化的固井材料和工艺体系
    I presented a permeability model which provides a quantitative connection among bulk physical properties of theinterconnected pore system (e.g., porosity and tortuosity), the statistics of the particle size distribution, and the effects of cementing material on the permeability estimation.
    提出了一个新的渗透率模型,该模型考虑了相互连通的孔隙系统体积物理特性(如:孔隙度和迂回度)、粒度分布的统计特征和胶结物对渗透率影响。
    The completion of the dissertation research achievement, not only candirectly reduce the cementing material cost and enhance the benefit of oil and gas fieldexploiting, but also can expand the apply of industrial waster in production. It also has veryimportant significance in some parts such as saving production resources and energy andprotecting environment.
    论文研究成果的完成,不仅能直接降低固井水泥材料成本、提高油气田开发效益,而且能够进一步扩大我国工业废料在生产中的应用,对节约水泥生产资源和能源,保护环境等方面均具有十分重要的意义。
    In comparison with regular cementing method, 75% of cementing material expenses can be saved with application of these techniques.
    钻井液转变成的MTC团开液密度为1.62~1.81g/cm3,具有可泵性好、固化物抗压强度发展快等特点,测井表明固井质量合格,与用油井水泥固井相比可节约固井材料费约75%。
    The technique of transforming drilling fluid into cement slurry is a new cementing method which through adding in some gelling materials and additives, the drilling fluid can be transformed into cement slurry direcfly used as a cementing material.
    钻井液转化为水泥浆技术,是在钻井液中添加某些胶凝材料和外加剂将其转变成水泥浆直接用作固井材料的新型固井方法。
    Such a technique which has the function of both drilling fluid and cement slurry can prevent the flocculating effect from being formed when the drilling fluid is mixed with the slurry,raise the displacement efficiency in annular space,reduce the cost of treating waste drilling fluid and decrease the consumption of cementing materials,thus having great potentialities in improving cement job quality and reducing cost,being able to give a reference to production units.
    这种兼有钻井液和固井液作用的技术,能避免钻井液和水泥浆混合时发生的絮凝现象,提高环空顶替效率,降低废钻井液处理费用,减少固井材料,因而在提高固井质量和降低成本上有很大的潜力,可供生产部门参考
 

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