On Wednesday this week, Pemex announced the 16 companies pre-qualified to participate in the NOC’s second round of integrated service contracts.  The list of companies includes major oil corporations such as Chevron, Schlumberger, Halliburton and Baker Hughes.  Vitol, Tecpetrol, Pico Oil, Dragados/ATP Oil, Industrial Perforadora de Campeche, Monclova Pirineos Gas, Diavaz/Weatherford, Perfolat/Servicios Asociados [...]