System and Method for Predicting Rock Strength

X Xu, E Liu, D Gillard, Y Zhu… - US Patent App. 14 …, 2015 - Google Patents
A system and method to predict rock strength by directly inverting for petrophysical
properties. In one embodiment, seismic data is received or obtained from a seismic survey …

Method for predicting rock strength by inverting petrophysical properties

X Xu, E Liu, D Gillard, Y Zhu… - US Patent …, 2019 - Google Patents
A system and method to predict rock strength by directly inverting for petrophysical
properties. In one embodiment, seismic data is received or obtained from a seismic survey …

Method and apparatus for analyzing fractures using AVOAz inversion

J Downton - US Patent 10,386,515, 2019 - Google Patents
Fracture orientation ambiguity in the results of amplitude variation with offset and azimuth
inversion is overcome by using additional geological information. Methods, apparatus and …

Seismic survey method of the subsoil

C Andreoletti, N Bienati - US Patent 8,949,031, 2015 - Google Patents
A method for obtaining a volumetric image of a geological structure in the subsoil includes
generating a plurality of seismic waves by plural seismic sources, acquiring signals or traces …