Core and Other Real Rock Measurements

This chapter looks at the direct measurement of petrophysical properties on rock samples. After a brief description of cores and coring it looks at the ways in which porosity, grain density and permeability can be measured on these samples. The more complicated measurements of special core analysis are briefly introduced although at this stage more emphasis is placed on sample selection. The chapter concludes by describing how techniques that were developed for rocks with relatively high permeabilities are extended to oil and gas shales.