As fracking amongst Marcellus Shale in the northeastern part of the United States increases so does the concern over its process. Fracking is done utilizing a hydraulic fracturing process, which pumps a high-pressure mixture of water, chemicals and sand deep into the sedimentary formations to extract naturally occurring gas. The resultant
A large U.S. producer of natural gas from underground shale formations says it will suspend the controversial drilling practice of hydraulic fracturing, or fracking, at seven well sites until it has investigated the causes behind a drilling accident last week.
Chesapeake Energy has halted its