在原有的钻井技术中加入新方法后，天然气可以从离地表一英里甚至更深的未曾开发的柔软岩层中被开采出来。
Drillers have combined old technologies into new methods of extracting this natural gas from the previously untapped soft rock layer a mile or more beneath the surface.
针对以往钻井地质设计中采用构造图结合实钻资料法进行剖面深度设计误差较大的不足，该文提出了一种新方法。
The paper presents a new way which can reduce the deficiency ot depth section design that is according to the structure diagram and real-time drilling data.
对石油钻井过程中岩石破碎的分形机理及形成过程进行了研究，提出了一种以井底返出的岩屑为对象测试岩石可钻性的新方法。
This method takes the detritus returned from bottom hole as the studying object. The fractal mechanism and forming process of broken rock during drilling were studied.
介绍了利用剪切强度和单位进尺钻井成本的关系来进行PD C钻头选型的新方法。
This paper presents a method to select PDC bits. This method USES a correlation between shear strength and drilling cost estimation per unit length.
介绍了利用剪切强度和单位进尺钻井成本的关系来进行PD C钻头选型的新方法。
This paper presents a method to select PDC bits. This method USES a correlation between shear strength and drilling cost estimation per unit length.
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