Oil-based drilling cuttings are a major by-product of petroleum exploration and production, typically laden with petroleum hydrocarbons and heavy metals. Their management and treatment are critical, ...

Wyoming holds three times more oil and gas drilling permits than Colorado but drills far fewer wells. The numbers show that ...

Explore the differences between shale oil and conventional oil, including extraction costs and methods, and how these impact oil market profitability.

FILE - In this undated photo, provided by the United States Geological Survey, permafrost forms a grid-like pattern in the National Petroleum Reserve-Alaska, managed by the Bureau of Land Management ...

Part of the federal government’s efforts to expand offshore oil drilling off the Southern California coast includes waters ...

JUNEAU, Alaska(AP) — Conservation groups and an Iñupiat-aligned group sued Thursday to overturn the recent approval of an exploratory drilling program in the National Petroleum Reserve-Alaska, saying ...