ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,268, issued on Jan. 20, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Cutting structure of cutting elements for downhole cutting tools" was invented by Huimin Song (Spring, Texas), Xiaoge Gan (Houston), Zhijun Lin (The Woodlands, Texas) and Ke Chen (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cutting element may include a substrate; and an ultrahard layer on the substrate, the substrate and the ultrahard layer defining a non-planar working surface of the cutting element such that the ultrahard layer forms a cutting portion and the substrate is at least laterally adjacent to the ultrahard layer. Another cutting elem...