Abstract
The uplift–depression framework controls the source–reservoir assemblage. However, the exploration breakthrough is restricted by an insufficient understanding of the uplift–depression differentiation framework in the Early Cambrian Keping–Wensu area. In this paper, based on field outcrops evaluations, thin section analysis, logging data, drilling data, and 3D seismic data, Wensu low paleo-uplift was discovered in the northern Tarim Basin, and the planar distribution was demonstrated in detail, generally shown as a SW–NE trending nose structure, extending roughly 114 km in length to the southwest, about 35 km in width to the northeast, and with the overall characteristic of being high in the west and low in the east. During the Early Cambrian, the Tabei paleo-uplift evolved into the Wensu low paleo-uplift and largely died out by the Middle Cambrian, with the development of ramps and rimmed carbonate platforms. The tectonic-sedimentary evolution of the uplift–depression framework controlled the development of a set of main source rocks and two sets of large-scale effective reservoir rocks in the Lower Cambrian, constituting two sets of effective hydrocarbon accumulation in the upper and lower stratigraphic parts of the basin. Among them, the upper assemblage holds more potential for hydrocarbon exploration, and is expected to be a next strategic target area for hydrocarbon exploration of Cambrian subsalt in the Keping–Wensu area.
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MDPI and ACS Style
Zhu, Y.; Zheng, J.; Chu, C.; Lyu, Q.; Tian, H.; Kang, T.; Zhang, T.; Huang, L.
New Understanding of the Early Cambrian Uplift–Depression Framework and the Large-Scale Source–Reservoir Distribution along the Margin of the Awati Sag in Tarim Basin, NW China. Minerals 2024, 14, 646.
https://0-doi-org.brum.beds.ac.uk/10.3390/min14070646
AMA Style
Zhu Y, Zheng J, Chu C, Lyu Q, Tian H, Kang T, Zhang T, Huang L.
New Understanding of the Early Cambrian Uplift–Depression Framework and the Large-Scale Source–Reservoir Distribution along the Margin of the Awati Sag in Tarim Basin, NW China. Minerals. 2024; 14(7):646.
https://0-doi-org.brum.beds.ac.uk/10.3390/min14070646
Chicago/Turabian Style
Zhu, Yongjin, Jianfeng Zheng, Chunbo Chu, Qiqi Lyu, Haonan Tian, Tingting Kang, Tianfu Zhang, and Lili Huang.
2024. "New Understanding of the Early Cambrian Uplift–Depression Framework and the Large-Scale Source–Reservoir Distribution along the Margin of the Awati Sag in Tarim Basin, NW China" Minerals 14, no. 7: 646.
https://0-doi-org.brum.beds.ac.uk/10.3390/min14070646
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