High-resolution LWD image logs versus wireline image logs

摘要

Wellbore stability analysis using wireline borehole images is well established. Today, high-resolution logging-while-drilling (LWD) images are available, and they offer information in real time, as well as the opportunity to acquire time-lapse information through re-logging while tripping. Drilling practices continually push well design boundaries in the areas of extended reach drilling, high pressure, and geometrically complex well design. These scenarios require increasingly sophisticated wellbore stability management. With the real-time information within the while-drilling high-resolution images, a method has been developed for real-time incorporation in to well bore stability management that will reduce risks in these challenging well conditions.