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NRC report concludes hydraulic fracturing poses low risk for causing earthquakes, but risks are higher for wastewater injection wells; CCS impact undetermined

Green Car Congress

Hydraulic fracturing (“fracking”) extracts natural gas by injecting a mixture of water, sand, and chemicals in short bursts at high pressure into deep underground wells. Δσ refers only to the radial stress in the exterior region. ΔV * and Δσ ? 0; if the medium is much stiffer, then ΔV ?

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Microbial Capacitive Desalination Cell could make treatment and reuse of oil and gas wastewater simpler, cheaper

Green Car Congress

Oil and gas operations in the United States produce about 21 billion barrels of wastewater per year, with accompanying disposal costs of about $5 billion per year. Fracking refers to the process of injecting a slurry of water, sand and chemicals into wells to increase the amount of oil and natural gas produced by the well.

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