J.C. Patents
Downhole three-dimensional scanning magnetic resonance imaging logging instrument, and a probe, an antenna thereof
The application provides a downhole three-dimensional scanning nuclear magnetic resonance imaging logging instrument and a probe, an antenna thereof, wherein the antenna comprises: an radio frequency antenna, an orienting device and a rotating device; the radio frequency antenna is fixed on an outer surface of the orienting device, and the orienting device is arranged on a magnet, the rotating device is fixed on the magnet; the rotating device is movably connected to the orienting device; and the rotating device is configured to drive the orienting device to rotate relative to the magnet, such that the radio frequency antenna on the orienting device can be drived to rotate, and echo signals in different directions can be acquired by the radio frequency antenna. The purpose of multi-directional measurement can be achieved, and the overall properties of an undisturbed stratum can be reflected by the applicant.
CHINA UNIVERSITY OF PETROLEUM-BEIJING
E E E E G G G E E G
E21B E21B E21B E21B G01R G01N G01R E21B E21B G01V
inventional inventional inventional inventional additional additional inventional inventional inventional inventional
Guangzhi Zhe Sihui Xin Lizhi
Liao Sun Luo Li Xiao