Christina Abou Mrad
BEST PRACTICES FOR PREPARATION OF SAMPLES FOR LABORATORY ANALYSIS.
Rel. Francesca Verga, Alessandro Suriano. Politecnico di Torino, Master of science program in Petroleum And Mining Engineering, 2023
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Abstract
Core analysis is performed to measure petrophysical properties of rock samples in order to ultimately be used in reservoir characterization, modeling, and performance predictions. In this study, the petrophysical properties of a set of eleven samples are measured through a well-defined methodology: at first, the dimensions and dry weight of each sample are measured, then the porosity is estimated using two methods: through grain volume measurement, then through pore volume measurement. Then, the permeability to gas is measured and corrected to liquid through the use of Klinkenberg correlation. Finally, each sample is saturated at atmospheric pressure, then dried and saturated again under pressure, all the while recording the saturation time for each step of the process.
Using the wet weight at which the sample is fully saturated and the dry weight, a third porosity measurement method is applied
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