ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,633, issued on Dec. 9, was assigned to Halliburton Energy Services Inc. (Houston).

"Bridge sensor design for water and oil analysis in formation testing" was invented by Christopher Michael Jones (Houston) and Colin Douglas Tisdale (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole fluid sampling tool may include an optical measurement tool and a viewing region disposed in the optical measurement tool. In examples, a bridge may be disposed in a transparent portion of the flow path between a light source and a light modifier and an optical detector. The bridge includes a structure comprising a substrate and a contrast agent, wherein th...