It isn’t just hurricanes and floods that can knock out oil and gas production—in Texas, wintry wind and ice can do the trick. Bitter winds that blew sleet across Texas just before Thanksgiving led to power outages, frozen equipment and icy roads throughout the prolific oil fields of the Permian Basin, including Midland, Texas. Some energy companies are warning that their oil output—and earnings—are being affected. Laredo Petroleum Holdings Co. of Tulsa, Okla., said Wednesday that […]