In 2022, almost 7.8 million barrels of oil per day were produced from tight oil resources in the U.S., also known as unconventional resources or shale. Fracking has transformed the United States, and ...

Until recently, major oil producer Chevron could hydraulically fracture one well at a time. New advances offer the ...

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.

Shale industry legend Harold Hamm is looking to pull crude from "Generation 3" rock. This is a tougher form of rock that was largely neglected earlier in the shale revolution. Total US oil production ...

BOSTON – A major defense contractor is selling technology to a large oilfield services company that hopes microwaves will someday become a key tool in unlocking the vast but hard-to-extract oil ...

In the early 2000s, advances in horizontal drilling and hydraulic fracturing technologies led to a veritable boom in the extraction of natural gas and oil from shale plays. In this review article, we ...

WASHINGTON — Shell is abandoning its decades-long quest to extract shale oil commercially from Colorado, leaving just one major company betting big on the future of that unconventional crude in the ...

High prices and growing demand have helped U.S. oil producers take in record profits despite global efforts to spur greater use of renewable energy and electric cars. By Rebecca F. Elliott Photographs ...