US Patent Issued to Halliburton Energy Services on Aug. 26 for "Wellbore exclusion fluid method and apparatus for downhole logging" (Singaporean, American Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,608, issued on Aug. 26, was assigned to Halliburton Energy Services Inc. (Houston).

"Wellbore exclusion fluid method and apparatus for downhole logging" was invented by Christopher Michael Jones (Katy, Texas), Xiang Wu (Singapore) and Jichun Sun (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some embodiments, a downhole logging tool configured for placement in a wellbore comprises a first magnet configured to activate a first volume of ferromagnetic fluid disposed between the downhole logging tool and the wellbore to achieve a first seal between a primary analysis region of the downhole logging tool and a wellbore fluid."

The patent w...