Energy Resources
California orders 12 oil-field wells shut to protect groundwater

— California officials, responding to concerns about groundwater contamination, are closing 12 wells in the Central Valley used to dispose of chemical-laden water from oil and gas production, regulators announced Tuesday. Steve Bohlen, who leads the state Division of Oil, Gas and Geothermal Resources, said the wells are being shut down "out of an abundance of caution for public health." Ten of the wells, including some owned by Chevron, have been closed voluntarily and the companies have surrendered their permits. Two more are being ordered to cease operations. Federal officials have expressed concerns about the state's oversight of injection wells. Some of the...