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

Summary: Crude moves from the wellhead to market through a sequenced network of flowlines, gathering systems, stabilization and metering, then via pipelines, marine tankers, rail, barges, or trucks.

Venezuela sits on 303 billion barrels of oil—more than Saudi Arabia. So why does it pump less than 1% of global supply? The answer involves nationalizations, sanctions and crude that's harder to ...

The physical and chemical differences between these crude types determine how easy they are to refine and their market value.