US Patent Issued to Institute of Geology and Geophysics, Chinese Academy of Sciences on Sept. 9 for "Phase-controlled excitation downhole nuclear magnetic resonance imaging device and method" (Chinese, American Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,259, issued on Sept. 9, was assigned to Institute of Geology and Geophysics, Chinese Academy of Sciences (Beijing).

"Phase-controlled excitation downhole nuclear magnetic resonance imaging device and method" was invented by Wei Liu (Beijing), Wenxiu Zhang (Beijing) and Wenxuan Chen (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a phase-controlled excitation downhole nuclear magnetic resonance imaging device and method which relate to the technical fields of downhole nuclear magnetic resonance imaging devices and methods, and achieve high-resolution imaging for an underground target by utilizing a plurality o...