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.The play extends across the Mexican border, where its name changes to the Burgos Basin – an equally fertile shale region where the oil and gas sit mostly idle underground in a region terrorized by criminal gangs. The violence here threatens to derail the country’s first-ever auction of exploration and production rights to its shale fields in February – one that could prove pivotal to its hopes for reversing a national decline in crude and natural gas output to two-decade lows. Despite an energy-reform push that has aimed to lure investments from […]