ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,712,249, issued on Aug. 18, was assigned to Baker Hughes Oilfield Operations LLC (Houston).

"Apparatus and method for wireless communication through well casing annulus" was invented by Jun Zhang (Katy, Texas), Kamalesh Chatterjee (Tomball, Texas) and Stewart Brazil (Edmond, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An antenna assembly includes a first antenna fastened to a first member disposed in a second member, where the first member is spaced apart from the second member in a radial direction. The antenna assembly includes a second antenna fastened to the second member. A direction of an antenna moment associated with the first antenna o...