ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,726, issued on June 24, was assigned to Chevron U.S.A. Inc. (San Ramon, Calif.).
"Engineered acoustics for downhole equipment" was invented by John B. Weirich (Spring, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Downhole equipment in a well includes an acoustic feature that emits an acoustic signal providing an indication of the operation of the downhole equipment. The downhole equipment is placed, above, below, or around a tubing string, or elsewhere in the well. The downhole equipment can include a flow control valve, a housing assembly, a sand screen assembly, or a base pipe. The acoustic feature can be a protrusion and notch that engage...