ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,329, issued on Aug. 12, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Contraction joint for fiber optics intelligent completion" was invented by Leping Yu (Pearland, Texas), Weichen Lai (Pearland, Texas), Akhil Bahl (Richmond, Texas) and Jie Zhang (Pearland, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A contraction joint includes an upper tubular member, an upper mandrel, a lower mandrel, a nipple housing connected to the upper tubular member, a support sleeve disposed around the upper mandrel, an activation dog disposed within the support sleeve, a lock housing disposed in an annular space between the nipple housing a...