In Mexico’s shale patch, cartel violence scares off drillers

REYNOSA, Mexico (Reuters) – The oil and gas fracking boom has lured scores of drillers to the Eagle Ford region of South Texas, the second largest U.S. oil patch, as new production technology opened access to billions more barrels. FILE PHOTO: Soldiers keep guard a gas facility of Pemex in Reynosa September 18, 2012. REUTERS/Daniel Becerril/File Photo