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.

Petrobras and Mitsui will participate in a project owned by US Oil Shale Exploration Company at an abandoned Utah mine that holds the oil-bearing shale rock. The two companies are buying as much as a ...

In 1996, the US shale industry comprised one operator and no-one had any idea that producing hydrocarbons directly from source rocks would one day have such an impact on both the US natural gas market ...