US Patent Issued to SCHLUMBERGER TECHNOLOGY on March 31 for "Mud logging of natural hydrogen" (French, American, Serbian Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,942, issued on March 31, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).

"Mud logging of natural hydrogen" was invented by Dariusz Strapoc (Le Plessis-Robinson, France), Nicholas Ivars Abolins (Paris), Mahdi Ammar (Clamart, France), Aleksandar Gligorijevic (Belgrade, Serbia), Javier Suarez (Oklahoma City) and Harry Fowlow (Oklahoma City).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for estimating a quantity of natural hydrogen in a subterranean formation includes degassing drilling fluid obtained from a wellbore to obtain a gas sample including a quantity of hydrogen gas, measuring a concentration of hydrogen in the gas...