Continental's success for the second consecutive quarter over Whiting highlights the importance of improving hydraulic fracturing processes, including the use of larger amounts of sand, which the Oklahoma City - based company has helped pioneer. (cnbc.com)
USGS's studies suggest that the actual hydraulic fracturing process is only very rarely the direct cause of felt earthquakes. (sciencedaily.com)
The high - volume hydraulic fracturing process. (ns.umich.edu)