Methane gas detected in the Susquehanna River and at six private water wells
probably came from Marcellus Shale wells drilled by Chesapeake Energy,
Pennsylvania’s Department of Environmental Protection said.
Anglo-Dutch Shell said undiscovered petroleum resources in Norwegian waters
remain “considerable” after Europe’s largest oil company had a disappointing
well offshore the Nordic country.
US crude oil pared losses and Brent crude turned positive after a deadly
explosion ripped through a Mexican oil refinery, raising concerns that
Mexico, a top US crude supplier, would have to import more fuel.