shale

Moreover, EGS costs “have fallen rapidly as drilling performance improves, following a learning curve reminiscent of early shale development.”

From MarketWatch ● Nov. 3, 2026

In 2002, Devon bought Texas operator Mitchell Energy, which mastered the technique of fracking shale rock to squeeze out fossil fuel.

From The Wall Street Journal ● Oct. 5, 2026

Before the conflict, Saudi Arabia was the world’s No. 1 crude-oil exporter, with the U.S. nipping at its heels after the yearslong boost in production following the shale revolution.

From MarketWatch ● Sep. 14, 2026

Verma, who stepped down from that role at Quantum in 2022, helped lead that firm’s investment strategy as it snapped up stakes in the U.S. shale boom.

From The Wall Street Journal ● Sep. 10, 2026

The Helderbergs are made up of layers of limestone and shale, through which underground streams and rivers have carved miles of caverns.

From "On the Far Side of the Mountain" by Jean Craighead George

National Fuel Gas owns roughly 1.2 million acres in the Appalachian Basin, with substantial mineral ownership overlying the Marcellus and Utica shales.

From Barron's ● Jan. 23, 2026

Moreover, the rock types exposed at this site are carbon-rich shales, which Torres says is exactly what you would want to study in this case.

From Science Daily ● Nov. 14, 2023

"The oil shales are running out of Tier 1 inventory," said Bryan Sheffield, founder of energy investors Formentera Partners and Scott Sheffield's son.

From Reuters ● Oct. 11, 2023

Such balls, called siliceous nodules or “Rokycany Balls,” are weathered out of the shales of the Šárka Formation.

From Science Magazine ● Sep. 27, 2023

In the western part the tertiaries are more tufaceous than on the south-east coast, and they are distinguished mainly by the presence of shales and andesite breccia.

From Alone with the Hairy Ainu or, 3,800 miles on a pack saddle in Yezo and a cruise to the Kurile Islands. by A. H. Savage Landor