Geological conditions for continental tight oil formation and the main controlling factors for the enrichment: A case of Chang 7 Member, Triassic Yanchang (myintimcity.com)
Since 2008, he's called practically every major shale play before the mainstream press got wind of them — including the now - famous Bakken oil formation and the companies that have raked in billions in profits for their shareholders. (angelpub.com)
The field, the largest oil formation in the United States, produced over 908,000 barrels a day in November — more than double the rate just two years ago. (scientificamerican.com)