Muds and Mudstones: Physical and Fluid-flow Properties

American anisotropy aquifer Association Basin behaviour brittle calculated cause clay compaction consolidated constant controlled decrease defined deformation density depends depth determined diffusion dilation distribution envelope equation estimated et al experimental experiments failure fault fluid flow fluid pressure formations fractures gas pressure Geological Geological Society given grain Halten Terrace higher hydraulic conductivity important increase indicate initial Journal Jurassic laboratory lead London lower material matrix measured mechanical method migration minerals mudrock mudstones natural normal North observed occur overpressure particles peak permeability Petroleum physical pore porosity possible predicted processes properties range ratio relatively represent Research reservoirs rocks sample seal sedimentary sediments shales shear similar Soil solution specimen strain strength structure suggest surface Table temperature tests thermal conductivity tion transport types values volume zones