ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,864, issued on Dec. 16, was assigned to Halliburton Energy Services Inc. (Houston).

"Pressure indication alignment using an orientation port and two radial orientation slots" was invented by David Joe Steele (Carrollton, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an inner string, an outer string, and a well system. The outer string, in one aspect, includes an outer tubular configured to extend at least partially around an inner tubular, the outer tubular including a seal surface. The outer string, according to one aspect, further includes two radial orientation slots located along an inside surface of the outer tubular, the two...