ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,919, issued on June 23, was assigned to Advanced Hydrocarbon Stratigraphy Inc. (Tulsa, Okla.).

"Characterizing geologic areas based on comparative compositional analysis" was invented by Christopher Smith (Midland, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention disclosed herein provides methods for analyzing oil production properties of an oil well. Methods comprise comparing characteristics of one or more samples of solid material (e.g., petroleum cuttings) or fluids with a produced fluid. Comparative analyses can occur between samples collected within a single well or across two or more wells. Select compounds, such as hydrocar...