Rock Hill Capital Group has acquired a majority stake in Diversified Well Logging, a leading provider of mud logging services, equipment, personnel and technology to the onshore and offshore oil and ...

Well logging chronicles the depths, subsurface formations and events encountered while drilling. Well logs can include visual observations or be made by instruments lowered into the well during ...

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 ...

Unocal Thailand Ltd. has established a lime-free, oil-based drilling fluid system as the best option for drilling wells with high bottomhole temperatures and where invasions of CO 2 and other acidic ...