ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,295, issued on Oct. 14, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Application of ToF-SIMS for analysis of formation fluid samples and formation rock samples" was invented by Bastian Sauerer (Houston) and Wael Abdallah (Dhahran, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A workflow is provided that extracts and isolates an oil/water interface of a formation fluid sample and employs a ToF-SIMS instrument to characterize properties of the oil-water interface of the formation fluid sample. Additionally or alternatively, the workflow can use a ToF-SIMS instrument to analyze a formation rock sample and characteri...