ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,088, issued on Aug. 12, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Acoustic transducer with trapezoidal, irregularly pitched, or widened transducer elements" was invented by Roel Van Os (Clamart, France), Hiroshi Hori (Clamart, France) and Orland Guedes (Clamart, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "a Downhole Acoustic Measurement Tool that Includes a Transducer Operable for Emitting and/or Receiving Acoustic Signals to Perform Downhole Measurements. The Transducer Includes Multiple Piezoelectric Elements. Each Piezoelectric Element May have a First Axial End and a Second Axial End, and the Second Axial End ...