Rock Physics of Shale - Stanford University
Rock Physics of Shale - Stanford University
Rock Physics of Shale - Stanford University
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Anisotropy Sensitivity to Pressure, Maturity<br />
Vp anisotropy<br />
Increasing<br />
Peff<br />
Vanorio et al., 2008<br />
Vernik and Liu, 1997, GEOPHYSICS, 62, 521–532.<br />
Vernik, GEOPHYSICS, 1994, 59, 555-563<br />
Vernik and Landis, 1996, AAPG Bulletin, 80, 531–544.<br />
Vanorio et al., June 2008, The Leading Edge.<br />
More crack anisotropy at<br />
higher maturity.<br />
Less “intrinsic” anisotropy at<br />
higher maturity.<br />
44<br />
Gary Mavko – <strong>Stanford</strong> <strong>Rock</strong> <strong>Physics</strong> Laboratory