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
JUNE 17, 2012
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 ?
250 
Let's personalize your content