由多口井数据的统计计算和分析，可得某一油田或区块的水平井设计轨道各井段的摩阻因数放大因数。
Modified factor of frictional coefficient of different sections of designed path of one field or area is obtained by statistical computing and analysis of more Wells.
通过对比分析，优选出适合于该区块的钻头类型。
Through comparative analyses, suitable types of bits for the area are selected.
中原油田地层情况复杂，漏失量大，通过对中原油田调整井地层复杂情况及漏失特点的分析，认为防漏是复杂区块调整井成功的关键，主要体现在防漏技术、配方、密度、流变性能、固控、起下钻措施等方面。
In this paper, through the analysis of complex formation and leakage features of adjustment well in Zhongyuan Oilfield, the result shows that antileakage is key to drill successfully adjustment well.
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