Blender: The equipment used to prepare the slurries and gels commonly used in stimulation treatments. Modern blenders are computer controlled, enabling the flow of chemicals and ingredients to be ...

PITTSBURGH A landmark federal study on hydraulic fracturing, or fracking, shows no evidence that chemicals from the natural gas drilling process moved up to contaminate drinking water aquifers at a ...

AFTER the Gulf oil spill began last month, the government should be doing everything it can to prevent another spill. So far, the Obama administration has failed. Oil companies are still getting ...

For those who want cheap, plentiful water this summer: Get in line. The number of water wells is going up in Wichita and elsewhere in the region as people seek lower-cost options for filling pools or ...

Dec. 29: This story has been updated and clarified. A version of this story is being published by the Albany Times-Union. Environmentalists, state regulators and even energy companies agree that the ...

PITTSBURGH — In at least four states that have nurtured the nation's energy boom, hundreds of complaints have been made about well-water contamination from oil or gas drilling, and pollution was ...