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Acoustic logging method for determining the dip angle and dip direction of a subsurface formation fracture
Acoustic logging method for determining the dip angle and dip direction of a subsurface formation fracture
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机译:确定地下地层裂缝倾角和倾角方向的声波测井方法
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摘要
A deviated borehole penetrating a subsurface formation and intersected by a formation fracture is surveyed with a borehole televiewer acoustic logging system. Relative fracture dip angle and dip direction calculated from such survey with respect to the borehole axis is transformed into a true fracture dip angle and dip direction with respect to the vertical of the earth's coordinate system.
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