BusinessLeading Petroleum Industry Engineer and Researcher Joins Stamper Oil and Gas Technical Advisory BoardBy Nasdaq OMXApr 19, 2018, 7:05 AM UTC
BusinessChapman Petroleum Engineering Completes NI 51-101 Report with Evaluated Reserves of 149 Million Barrels for Stamper’s Sudan ProjectBy Nasdaq OMXJan 23, 2018, 7:30 PM UTC
