Pumping water mixed with sand in a fracking operation, for Anadarko in Franktown, Colorado. Proppant consists of sand-sized particles injected with frac fluid during a fracking operation. In shale oil ...

Normally on “Mining and Refining,” we concentrate on the actual material that’s mined and refined. We’ve covered everything from copper to tungsten, with side trips to more unusual materials like ...

Hydrajet fracturing, which can place multiple propped hydraulic fractures in precise locations, effectively stimulated two underperforming horizontal openhole gas wells in the low-permeability Cardium ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American With the current negative attention and ...

The federal government is poised to tighten regulation of hydraulic fracturing—the drilling method behind the boom in U.S. natural gas production—by proposing to revise rules affecting 700 million ...

The argument that hydraulic fracturing has no impact on private water supplies now has at least three solid legs supporting it. Within a week of each other, Penn State University, a peer-reviewed ...

Muckerman: They are, they're fracturing the rock. Through the steel casing, and then through the rock, with pellets and things that diffuse reaction. They do it in stages. That's one reason why we're ...

Fracking is an extreme method of oil and gas extraction that involves blasting huge amounts of water — mixed with sand and toxic chemicals — under high pressure deep into the earth. Fracking breaks up ...

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