ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,813, issued on Nov. 18, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Detecting ringout on an expandable tool" was invented by Philip Trunk (Houston), Balasubramanian Durairajan (Sugar Land, Texas) and Stephen Michael Cordes (Cypress, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ringout detection system may receive a plurality of surface weight-on-bit (SWOB) measurements from a surface weight-on-bit (WOB) sensor and a plurality of downhole weight-on-bit (DWOB) measurements from a downhole WOB sensor. A ringout detection system may identify a decrease in a WOB ratio between the plurality of SWOB measurements and the pl...