Inverse problem in anisotropic poroelasticity: Drained constants from undrained ultrasound measurements

LBNL-2009 Inverse Problem in Anisotropic Poroelasticity: Drained Constants from Undrained Ultrasound Measurements James G. Berryman and Seiji Nakagawa Earth Sciences Division, Lawrence Berkeley National Laboratory, One Cyclotron Road MS90-R1116, Berkeley, CA 94720, USA. (Dated: November 20, 2009) Drained Constants from Undrained 1