Diagenesis and its controls on reservoir properties and hydrocarbon potential in tight sandstone: a case study from the Upper Triassic Chang 7 oil group of Yanchang Formation, Ordos Basin, China
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DOI: 10.1007/s12517-017-3023-z
Abstract: The sandstones in the Chang 7 oil group are typically recognized as unconventional tight clastic rock reservoirs. These sandstones are fine-grained and have low permeability and porosity and low textural and compositional maturity. In the… read more here.
Keywords: chang oil; hydrocarbon potential; diagenesis controls; oil group ... See more keywords
Geochemical characteristics, origin of the Chang 8 oil and natural gas in the southwestern Ordos Basin, China
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DOI: 10.1016/j.petrol.2021.108406
Abstract: Abstract Petroleum exploration in the Ordos Basin gradually expanded to the edge of the basin, but encountered difficulties on the southwestern edge. Compared with mature exploration areas inside the basin, the nature of reservoir fluids… read more here.
Keywords: gas; chang oil; area; oil ... See more keywords
Petrography and geochemical characteristics of Chang 7 sandstone in Yanhe profile, Ordos Basin: Implication for paleoenvironment and tectonic background
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DOI: 10.1190/int-2019-0158.1
Abstract: The Chang 7 oil layer from the upper Triassic Yanchang Formation is an important layer for hydrocarbon exploration. Most studies on the Chang 7 oil layer have focused on the source rocks, while research on… read more here.
Keywords: chang oil; layer; sandstone; petrography geochemical ... See more keywords