To some skeptics of oil shale development, even the process Shell is pursuing appears pie-in-the-sky. It envisions both long, slow heating of in-situ shale to produce kerogen and simultaneous use of a ...

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

Cyclic carbon dioxide injection, also known as "CO2 huff-n-puff," is a multi-phase process in which CO2 is pumped into a reservoir to enhance oil production from naturally occurring rock formations.

DENVER (AP) - The Interior Department last week granted leases for shale oil extraction experiments, a step in allowing companies to figure out how to profitably tap into an estimated 100-year supply ...

Recent discussions regarding the advent of a peak in global crude oil production generally fail to address the potential of America's rich, massive oil shale resources to augment petroleum supplies.