Chron.com | Big day for Big Oil Chron.com In the Permian Basin, the center of the U.S. oil industry's lopsided recovery, Exxon plans to increase its fleet of drilling rigs from 20 to 30 by the end of next year and begin drilling horizontal wells that run sideways for three miles, in an effort ... Higher Oil Prices Help Exxon Beat Q3 Forecasts Despite Harvey Big Oil Goes From Walking Dead To Walking Wounded Profit soars at Exxon and Chevron on higher oil prices |