Advances in sampling and analytical techniques now permit the isotopic analysis of very small amounts of hydrocarbon gases in air that are collected from the circulating mud stream during drilling. A ...

At-a-Glance: Robust mud logging hinges on accurate lag modeling, disciplined sample handling, calibrated gas systems, and real-time correlation with drilling ...

Mud logging is the surface-based, real-time geological and drilling surveillance conducted during well construction to characterize formations, monitor wellbore conditions, and enhance well control. I ...

On July 7, 2010, the Wayne Madsen Report (WMR) reported: "Oil drilling industry inside sources have reported to WMR that 'smoking gun' documents, including what are known as "mud logs" are being kept ...