ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,442, issued on July 28, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Marine seismic acquisition system" was invented by Nicolae Moldoveanu (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A marine seismic acquisition system includes a frame that includes a central longitudinal axis and members that define orthogonal planes that intersect along the central longitudinal axis; a data interface operatively coupled to the frame; hydrophones operatively coupled to the frame; a buoyancy engine operatively coupled to the frame where the buoyancy engine includes at least one mechanism that controls buoyancy of at least the frame...