钻头优选方法在玉门青西油田的应用

Application of bit optimization method in Qingxi
area, Yumen Oilfield

 楼一珊1 孙文铁1 郭汉卿2 幸雪松3 刘新锋

 1。长江大学石油工程学院，湖北荆州434023 2。长庆油田公司第一采油厂，陕西延安716000 中海石油研究中心，北京100027

 玉门青西油田岩石可钻性差，给钻井工程带来很大难度。为提高钻井速度，降低
钻井周期，利用测井资料进行了岩石可钻性解释、处理和分析，建立了该油田横向地层岩石可
钻性剖面及该区块内每一口井地层岩石可钻性纵向变化规律，找出了该区块地层岩石横向及
纵向可钻性变化规律，为钻头优选提供有利的理论依据，从而应用于生产实践过程。

It is most difficult to increase drilling penetration rate and
reduce drilling cycle during drilling because of poor rock
drillability in Qingxi area Yumen Oilfield. Rock drillability is
explained and analyzed through the explanation of logging
date. The lateral stratigraphic rock drillability sections in
Qingxi area Yumen Oilfield are established and the changing
law of vertical rock drillability is founded for every well in the
oilfield. The changing laws of lateral and vertical stratigraphic
l rock drillability are founded in the oilfield, which provides
the beneficial theories for the bit optimization.