ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,103, issued on Oct. 7, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Attenuated total reflection based measurement of refractive index and carbon dioxide concentration" was invented by Terizhandur S. Ramakrishnan (Boxborough, Mass.) and Robert O'Leary (Cambridge, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods presented herein generally relate to a tool for determining a refractive index of a formation fluid using attenuated total reflection. The tool includes a body having a fluid admitting assembly and a flow line that receives the formation fluid. The tool also includes two different crystals having f...