ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,539, issued on March 31, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).

"Systems and methods for analysis of drilling fluid" was invented by Sharath Chandra Mahavadi (Lexington, Mass.), Ling Feng (Belmont, Mass.), Balakrishnan Panamarathupalayam (Houston), Dimitri Khramov (Katy, Texas) and Lucas Mejia (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating a drilling fluid analysis system includes obtaining multiple samples of a drilling fluid at different times over a time period. The method also includes placing the multiple samples into a capillary electrophoresis device. The method further include...