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 ...

GRANTS PASS, Ore. (AP) – The timber industry is hoping that the U.S. Supreme Court will maintain business as usual on controlling muddy water running off logging roads into salmon streams. The high ...

GRANTS PASS -- A federal appeals court Tuesday decided that mud washing off logging roads is pollution and ordered the Environmental Protection Agency to write regulations to reduce the amount that ...

Mud logging is the real-time surface monitoring and interpretation of cuttings, drilling parameters, and mud gas to support safe, efficient drilling and formation evaluation during well construction.

NEW YORK (MarketWatch) -- Schlumberger Ltd. plans to acquire Geoservices, a French-based company specializing in energy services, in a deal valued at $1.1 billion, including debt. Late Wednesday, ...

GRANTS PASS, Ore. — A federal appeals court today decided that mud washing off logging roads is pollution and ordered the Environmental Protection Agency to write regulations to reduce the amount that ...

A federal appeals court decided Tuesday that mud washing off logging roads is pollution and ordered the Environmental Protection Agency to write regulations to reduce the amount that reaches salmon ...