Oklahoma earthquakes linked to disposal well injection activity show remaining challenge for oil and gas industry in addressing induced seismic activity. Earthquake activity in Oklahoma, believed to have been triggered by saltwater disposal well injection activity, marks the latest in a trend of a growing number of U.S. earthquakes and their link to increased oil and gas activity. The Oklahoma Corporation Commission’s (OCC) oil and gas conversation division called for operations at two disposal wells to be halted Nov. 19, and for reduced volumes for 23 other wells, a total net volume reduction of 41 percent. The wells targeted for shutdown or reduction were in the Cherokee-Carmen area of the state. Additionally, disposal wells within 10 to 15 miles of earthquake activity are being placed on notice to prepare for possible changes to their operations, OCC said in a Nov. 19 advisory. The notice is the latest in a […]