GRC Ultra Hi-T Memory Tool. The triple combo with caliper measurements and cable head temperature sensors will be used to determine concentrations of K, U, and Th, obtain formation density, electrical resistivity and porosity values, and assess borehole conditions. These measurements will be utilized for characterization of stratigraphic sequences and determination of possible variations in alteration. The FMS will provide high-resolution borehole images of stratigraphic sequences and boundaries, oriented fracture patterns, and information regarding hole stability. The DSI will produce a full set of compressional and shear waveforms, cross-dipole shear wave velocities and amplitudes measured at different azimuths, and Stoneley waveforms.
Time is recorded in days.
Might be required if excessively high temperatures are encountered. There are two potential plans for LWD operations during Leg 193. Our intent will be to drill three holes throughout the leg to an approximate depth of 100 mbsf. These holes will be drilled to characterize the upper intervals that are commonly not recovered and not logged with conventional wireline tools. This capability could become crucial in identifying volcanic flows that may have resistivity values much greater than 200 ohm m.