1. Characterization of Gas-Charged Porous Media from Joint Inversion of P/S- Wave Attenuation Based on OBS and/or Sonic Log Data Open Access Author: Lei, Xiong Title: Characterization of Gas-Charged Porous Media from Joint Inversion of P/S- Wave Attenuation Based on OBS and/or Sonic Log Data Graduate Program: Energy and Mineral Engineering Keywords: Q estimationAttenuation inversionQuality factorBayesian inversionGas saturationPorosityPermeabilityOBSSonic log File: Download Dissertation_XiongLei_revision_v7.pdf Committee Members: Eugene Morgan, Dissertation Advisor/Co-AdvisorEugene C Morgan, Committee Chair/Co-ChairDerek Elsworth, Committee MemberHamid Emami-Meybodi, Committee MemberSridhar Anandakrishnan, Outside Member