Exploration for deep oil and gas accumulations, which refers to those at burial depths of no less than 15,000 ft (about 4,572 m), deserves more specialized attention. Excluding the US onshore Lower 48 ...
Organic-rich marine-continental transitional shale is widely developed in the Permian Shanxi Formation in the Southern North China Basin. In this study, shale samples from the southern and northern ...
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