On a single collar, MicroScope resistivity- and imaging-while-drilling service provides 360o electrical images and laterolog resistivity measurements in conductive mud environments. This service is suitable for use in diverse and challenging environments, including unconventional shale plays and carbonate and clastic reservoirs. The 4 3/4-in Microscope service can be used in hole sizes ranging from 5 7/8 to 6 1/2 in.