ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,252, issued on April 14, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).
"Predictions of gas concentrations in a subterranean formation" was invented by Can Evren Yarman (Clamart, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for estimating a formation gas concentration while drilling includes making first gas concentration measurements in drilling fluid as the drilling fluid exits a wellbore or second gas concentration measurements in drilling fluid before the drilling fluid is pumped into the wellbore while drilling the wellbore. The first gas concentration measurements or the second gas concentration measureme...