Shale Oil Producers In An Era Of Energy Abundance: It's All About Cost EfficiencySeeking Alpha • 05/20/19
RDS Tops The List But Global Diversity Dominates World's Largest Oil And Gas Companies In 2019Forbes • 05/15/19
Chevron's stock surges after refusing to raise bid for Anadarko, expects $1 billion merger termination feeMarket Watch • 05/09/19