US Patent Issued to Schlumberger Technology on Aug. 12 for "Composite cement compositions and methods of cementing and/or treating wells drilled with water-based drilling fluids" (Texas Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,952, issued on Aug. 12, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Composite cement compositions and methods of cementing and/or treating wells drilled with water-based drilling fluids" was invented by Valerie Gisele Helene Lafitte (Sugar Land, Texas), Dean Michael Willberg (Houston) and Anatoly Medvedev (Sugar Land, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Composite cement compositions and slurries for treating a well following a water-based wellbore operation are provided and comprise cement comprising at least one of cement particles and cementitious material, water, and water swellable particulates that are e...