ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,969, issued on March 18, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).
"Undercured stator for mud motor" was invented by Anton Kolyshkin (Katy, Texas), Lillian Guo (Houston), Yuxiang Liu (Rosharon, Texas) and Miranda Amarante (Katy, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stator for a mud motor and methods for manufacturing and using the same, of which one such method includes obtaining a mud motor having a stator made at least partially from a rubber. At least a portion of the rubber is cured by at most about 90%. The method also includes deploying the mud motor into a well as part of a drill string. The rubber ...