Patent ID: 6751557
Filing Date: 2004-06-15
Classification: G01V

Abstract:
A method for generating a plurality of rock classifications corresponding, respectively, to a plurality of depths in a wellbore, comprising the steps of:(a) receiving a value indicative of a percent dry weight of total carbonate and a percent dry weight of total QFM and a percent dry weight of total clay for each of the plurality of depths in the wellbore, a plurality of values being received corresponding, respectively, to the plurality of depth in said wellbore; (b) comparing a particular one of said plurality of values at a particular depth in said wellbore with a plurality of rules in a rule base, the plurality of rules corresponding, respectively, to a plurality of rock classifications; (c) when a match is found between said particular one of said plurality of values and one of said plurality of rules in said rule base, determining a particular rock classification which corresponds to said one of said plurality of rules in said rule base; and (d) associating said particular one of said plurality of values at said particular depth in said wellbore with said particular rock classification.