A dramatic increase in the rate of earthquakes in the central and eastern U.S. since 2009 is associated with fluid injection wells used in oil and gas development, says a new study by the University ...

Typically, a well will produce at its highest production rate at the beginning of the production cycle; and then production will wane. In an effort to increase production from both oil and natural gas ...

Well injection, as a human activity, involves the deliberate subsurface emplacement of fluids through engineered wells for purposes such as enhanced oil recovery, geothermal energy extraction, ...

EDITOR’S NOTE: This is the sixth in a series of stories reflecting on 20 years of gas drilling in Southwestern Pennsylvania. To understand why wastewater impoundments and injection wells have been a ...