The relationship between borehole wall collapses, their directions and the formation stress field is discussed.
本文讨论了井眼崩落及其方位与地应力场的关系。
Described are an effective method and practical applications for determining the formation stress field using borehole cross-dipole acoustic logging data.
阐述了利用正交偶极声波测井资料估算地层应力场的方法及应用实例。
Tectonic group patterns of coal seam depended on tectonic stress field, mechanical properties of rock of coal-bearing formation and surrounding environments.
煤层的构造组合型式在很大程度上取决于构造应力作用、含煤地层的岩石力学性质和应变环境等。
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