ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,735, issued on May 13, was assigned to BAKER HUGHES CANADA COMPANY (Halifax, Canada).
"Centralizer for downhole probes" was invented by Aaron W. Logan (Calgary, Canada), Justin C. Logan (Calgary, Canada) and Patrick R. Derkacz (Calgary, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An assembly for use in subsurface drilling includes a downhole probe supported by a centralizer. The centralizer comprises a tubular member that extends around the downhole probe. A wall of the centralizer is fluted to provide inward contact points that support the downhole probe and outward contact points that bear against a bore wall of a section of drill string...