OH — May 24, 2013) The findings of a new study in the journal Groundwater® suggest that methane
concentrations in Susquehanna County water wells in Pennsylvania can be
explained without the migration of Marcellus shale gas due to hydraulic
1,701 water wells in northeastern Pennsylvania shows that methane is ubiquitous
in groundwater, with higher concentrations observed in valleys vs. upland areas
and in association with calcium/sodium/bicarbonate, and sodium chloride-rich
waters,” the article states.
goes on to say that “on a regional scale, methane concentrations are best
correlated to topographic and hydrogeologic features, rather than shale-gas
authors are from the Houston, Texas-based GSI Environmental Inc. and Cabot Oil
and Gas Corp. of Pittsburgh, Pennsylvania.
assessment of isotopic and molecular analyses of hydrocarbon gases in Dimrock
Township suggests that gases present in local water wells are most consistent
with Middle and Upper Devonian gases sampled in the annular spaces of local gas
wells, as opposed to Marcellus production gases.
Groundwater is published by the National Ground
nonprofit organization composed of U.S. and international groundwater
professionals — contractors, equipment manufacturers, suppliers, scientists,
and engineers — is dedicated to advancing groundwater knowledge. NGWA’s vision
is to be the leading groundwater association that advocates the responsible
development, management, and use of water.
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