IDENTIFICATION, QUANTIFICATION AND PREDICTION OF FREE SILICON IN GEOLOGICAL FORMATION AND ITS CONTRIBUTION TO ROCK PROPERTIES

摘要

Predicting and quantifying free silicon (108) in a geological formation (100) generates free silicon data (206) for a physical sample (102, 104) obtained from within the geological formation (100). The free silicon data include identification (208) of portions of the physical sample containing free silicon and a quantification (210) of the free silicon contained in the portions (106) of the physical sample containing free silicon. A modified petro-elastic model for the geological formation comprising rock constituents is generated (212) that incorporates free silicon as one of the rock constituents and that quantitatively models how free silicon changes elastic properties within the geological formation. A three-dimensional model of the geological formation is created (216) that indicates volumes of free silicon (108) throughout the geological formation (100). The three-dimensional model is created using geophysical data obtained from the physical sample, seismic data covering the geological formation and the modified petro-elastic model.