Key Takeaways Shell is considering a return to Venezuela as U.S. sanctions ease, reopening stalled gas projects.The Dragon gas field could generate about $500M annually for up to 30 years if developed.Political risk, oil prices and Venezuela's expropriation history continue to deter investment.Shell plc (SHEL) is reportedly considering a return to Venezuela as political and policy changes raise the prospect of renewed foreign investment in the country’s energy sector. The British oil major has long targeted ...