BISMARCK — A “significant” amount of undeveloped oil resources remain deep in the northwestern portion of North Dakota’s Bakken Petroleum System, state experts say. According to studies conducted by ...
At-a-Glance: Heavy oil is a dense, viscous petroleum fluid (typically 10–22 °API) enriched in resins/asphaltenes with low gas content, formed when originally lighter oils are altered after charge by ...
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