"The pore structure of mudrocks and its influence on the permeability for fluid flow ... has analyzed the porosity of a dozen ...

Shell has revealed ‘significantly better’ porosity and permeability properties at its Selene gas prospect in the North Sea ...

This early journaling system has evolved to encompass lowering logging tools into the wellbore via wireline in order to measure porosity, resistivity, permeability, temperature, water saturation ...