ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,137, issued on Sept. 23, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Hydrocarbon and sulfide removal in direct aqueous extraction" was invented by Florence Binet (Houston), Arindam Bhattacharya (Houston), Gary W. Sams (Houston), Dominic Vincent Perroni (Sugar Land, Texas) and Sharath Chandra Mahavadi (Cambridge, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of treating an aqueous source are described herein that include reducing a concentration of sulfide species in a stream obtained from the aqueous source to form an extraction feed and extracting ions from the extraction feed, or a stream obtained from the e...