Blar i NTNU Open på forfatter "Nsemwa, Godwin"
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The Impact of Shale Anisotropic Strength and Stiffness on Borehole Stability
Nsemwa, Godwin (Master thesis, 2015)ABSTRACT Borehole instabilities is an expensive problem for the petroleum industry and most of the time, problems occur in shale. Shale is an anisotropic rock but most often it is assumed to be isotropic during borehole ...