A device for generating nuclear magnetic resonance, NMR, data, the device having a circular cross-section and comprising: a first magnet disposed within the device at a first radial distance along a first distance direction and configured to generate a first magnetic moment along a first direction on a first axis with respect to the radial center of the device; a second magnet disposed within the device at a second radial distance along a second distance direction perpendicular to the first direction, wherein the second magnet is configured to generate a second magnetic moment along a second direction that is opposite to and radially offset from the magnetic moment of the first direction at a first angle of between 190 and 195 degrees in a clockwise direction; a third magnet disposed within the device at a third radial distance along a third distance direction, parallel and opposite to the first distance direction, wherein the third magnet is configured to generate a third magnetic moment along a third direction that is opposite to and radially offset from the magnetic moment of the first direction at a second angle of between 90 and 270 degrees in a clockwise direction; a fourth magnet disposed within the device at a fourth radial distance along a fourth distance direction perpendicular to the first distance direction and parallel and opposite to the second distance direction, wherein the fourth magnet is configured to generate a fourth magnetic moment along a fourth direction that is opposite to and radially offset from the magnetic moment of the first direction at a third angle of between 165 and 170 degrees in a counter-clockwise direction; and an antenna disposed within the device, wherein the antenna is configured to: generate a first set of NMR data from a first depth of investigation, DOI in a wellbore while operating at a first frequency; and generate a second set of NMR data from a second depth of investigation, DOI in the wellbore while operating at a second frequency. a first magnet disposed within the device at a first radial distance along a first distance direction and configured to generate a first magnetic moment along a first direction on a first axis with respect to the radial center of the device; a second magnet disposed within the device at a second radial distance along a second distance direction perpendicular to the first direction, wherein the second magnet is configured to generate a second magnetic moment along a second direction that is opposite to and radially offset from the magnetic moment of the first direction at a first angle of between 190 and 195 degrees in a clockwise direction; a third magnet disposed within the device at a third radial distance along a third distance direction, parallel and opposite to the first distance direction, wherein the third magnet is configured to generate a third magnetic moment along a third direction that is opposite to and radially offset from the magnetic moment of the first direction at a second angle of between 90 and 270 degrees in a clockwise direction; a fourth magnet disposed within the device at a fourth radial distance along a fourth distance direction perpendicular to the first distance direction and parallel and opposite to the second distance direction, wherein the fourth magnet is configured to generate a fourth magnetic moment along a fourth direction that is opposite to and radially offset from the magnetic moment of the first direction at a third angle of between 165 and 170 degrees in a counter-clockwise direction; and an antenna disposed within the device, wherein the antenna is configured to: generate a first set of NMR data from a first depth of investigation, DOI in a wellbore while operating at a first frequency; and generate a second set of NMR data from a second depth of investigation, DOI in the wellbore while operating at a second frequency. generate a first set of NMR data from a first depth of investigation, DOI in a wellbore while operating at a first frequency; and generate a second set of NMR data from a second depth of investigation, DOI in the wellbore while operating at a second frequency.