大港油田深井钻速提高研究

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大港油田深部地层可钻性差、岩性复杂、砾石夹层造成钻速低,建井周期长,严重制约着经济的发展。通过作者调研发现,大港油田钻速低的重要原因是钻头使用不合理。为了提高深井的钻井速度,本文从深部地层可钻性出发,对地层进行聚类分析,在每层上结合主成分分析方法,优选出适合该地层的钻头。以达到提高钻速的目的。
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