Marathon Oil President and Chief Executive Officer Lee Tillman said a $3.5 billion investment in U.S. shale resources will encourage production growth in 2014. Marathon said it would invest more than 60 percent of its $5.9 billion in capital expenses next year on developing the Eagle Ford, Bakken and Woodford shale reserve areas in the United States. “This increased activity underpins our confidence in delivering approximately 4 percent year-on-year growth in overall 2014 volume,” Tillerman said in a statement Wednesday. The company has more than two dozen drilling rigs deployed in U.S. shale reserves areas. Tillerman said rig activity in the Bakken area in the northern United States and Eagle Ford in Texas, should increase by 20 percent next year. Rig activity in the Woodford region of Oklahoma should double in 2014. Bakken is one of the premier oil shale reserves areas in […]