Publicado

2019-04-01

Soft-sediment Deformation Structures and Sand Body Architecture in the Chang 6 Oil Member of the Upper Triassic Yanchang Formation, Southwestern Ordos Basin, China

Estructuras de deformación de sedimentos blandos y arquitectura de cuerpos de arena en el miembro de petróleo Chang 6 de la formación Yanchang del Triásico Superior, al suroeste de la cuenca Ordos de China

DOI:

https://doi.org/10.15446/esrj.v23n2.72414

Palabras clave:

soft-sediment deformation structure, sand body architecture, Chang6 oil member, Yanchang Formation, Ordos Basin, (en)
Estructuras de deformación de sedimentos blandos, arquitectura de sedimentos blandos, miembro petrolífero Chang 6, Formación Yanchang, Cuenca Ordos, (es)

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Autores/as

  • Qingshao Liang Chengdu University of Technology
  • Jingchun Tian Chengdu University of Technology
  • Feng Wang Chengdu University of Technology
  • Xiang Zhang Chengdu University of Technology
Soft-sediment deformation (SSD) structures of the Upper Triassic Yanchang Formation are laterally widespread in the Ordos Basin. In the Huachi-Qingyang (H-Q) area of the Ordos Basin, the Chang6 oil member of the Upper Triassic Yanchang Formation is among the most significant Mesozoic oil-bearing strata. It is characterized by the development of reservoir sand bodies. During the depositional evolution of the Chang6 oil member, SSD structures induced by paleo-seismic events developed in the H-Q area in the middle of the basin. The SSD structures developed in the sand bodies of the Chang6 oil member are mainly ball-and-pillow structures, fold structures, sand dikes, irregular convolute stratifications and synsedimentary faults. The architecture of the sand bodies resulted from paleo-seismic events and gravity slumping and mainly include two types of structures: 1) SSD structures driven by paleo-seismic events with normal sedimentation (delta front sand body) (SN-SSD) and 2) SSD structures driven by paleo-seismic events with turbidites (formed by delta-front slumping and re-distribution due to seismic action) (ST-SSD). As a consequence, genetic models of the sand bodies formed by different sedimentation processes are established.

Las estructuras de deformación de sedimentos blandos de la Formación Yanchang del Triásico Superior están extendidas lateralmente en la cuenca Ordos. En el área Huachi-Qingyang de esta cuenca, el miembro de petróleo Chang 6 está entre los estratos petrolíferos más significativos del Mesozoico. Este se caracteriza por el desarrollo de cuerpos de arena en el yacimiento. Durante la evolución deposicional del miembro Chang 6, las estructuras de deformación de sedimentos blandos se desarrollaron en el área Huachi-Qingyang, en el medio de la cuenca, inducidas por eventos paleosísmicos. Las estructuras de deformación de sedimentos blandos que se desarrollaron en los cuerpos de arenas del miembro de petróleo Chang 6 son principalmente estructuras esféricas y acojinadas, estructuras plegadas, canales de arena, estratificaciones irregulares enrolladas y fallas sinsedimentarias. La arquitectura de los cuerpos arenosos son el resultado de eventos paleosísmicos y la caída por gravedad; se reconocen principalmente dos tipos de estructuras: 1. Estructuras de deformación de sedimentos blandos por eventos paleosísmicos con cuerpos arenosos del frente del delta. 2. Estructuras de deformación de sedimentos blandos traídas por eventos paleosísmicos con turbiditas (formadas por la caída del frente del delta y redistribuidas debido a la acción sísmica). Como consecuencia, se establecieron los modelos genéticos de los cuerpos arenosos formados por diferentes procesos de sedimentación.

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Cómo citar

APA

Liang, Q., Tian, J., Wang, F. y Zhang, X. (2019). Soft-sediment Deformation Structures and Sand Body Architecture in the Chang 6 Oil Member of the Upper Triassic Yanchang Formation, Southwestern Ordos Basin, China. Earth Sciences Research Journal, 23(2), 119–126. https://doi.org/10.15446/esrj.v23n2.72414

ACM

[1]
Liang, Q., Tian, J., Wang, F. y Zhang, X. 2019. Soft-sediment Deformation Structures and Sand Body Architecture in the Chang 6 Oil Member of the Upper Triassic Yanchang Formation, Southwestern Ordos Basin, China. Earth Sciences Research Journal. 23, 2 (abr. 2019), 119–126. DOI:https://doi.org/10.15446/esrj.v23n2.72414.

ACS

(1)
Liang, Q.; Tian, J.; Wang, F.; Zhang, X. Soft-sediment Deformation Structures and Sand Body Architecture in the Chang 6 Oil Member of the Upper Triassic Yanchang Formation, Southwestern Ordos Basin, China. Earth sci. res. j. 2019, 23, 119-126.

ABNT

LIANG, Q.; TIAN, J.; WANG, F.; ZHANG, X. Soft-sediment Deformation Structures and Sand Body Architecture in the Chang 6 Oil Member of the Upper Triassic Yanchang Formation, Southwestern Ordos Basin, China. Earth Sciences Research Journal, [S. l.], v. 23, n. 2, p. 119–126, 2019. DOI: 10.15446/esrj.v23n2.72414. Disponível em: https://revistas.unal.edu.co/index.php/esrj/article/view/72414. Acesso em: 19 jul. 2024.

Chicago

Liang, Qingshao, Jingchun Tian, Feng Wang, y Xiang Zhang. 2019. «Soft-sediment Deformation Structures and Sand Body Architecture in the Chang 6 Oil Member of the Upper Triassic Yanchang Formation, Southwestern Ordos Basin, China». Earth Sciences Research Journal 23 (2):119-26. https://doi.org/10.15446/esrj.v23n2.72414.

Harvard

Liang, Q., Tian, J., Wang, F. y Zhang, X. (2019) «Soft-sediment Deformation Structures and Sand Body Architecture in the Chang 6 Oil Member of the Upper Triassic Yanchang Formation, Southwestern Ordos Basin, China», Earth Sciences Research Journal, 23(2), pp. 119–126. doi: 10.15446/esrj.v23n2.72414.

IEEE

[1]
Q. Liang, J. Tian, F. Wang, y X. Zhang, «Soft-sediment Deformation Structures and Sand Body Architecture in the Chang 6 Oil Member of the Upper Triassic Yanchang Formation, Southwestern Ordos Basin, China», Earth sci. res. j., vol. 23, n.º 2, pp. 119–126, abr. 2019.

MLA

Liang, Q., J. Tian, F. Wang, y X. Zhang. «Soft-sediment Deformation Structures and Sand Body Architecture in the Chang 6 Oil Member of the Upper Triassic Yanchang Formation, Southwestern Ordos Basin, China». Earth Sciences Research Journal, vol. 23, n.º 2, abril de 2019, pp. 119-26, doi:10.15446/esrj.v23n2.72414.

Turabian

Liang, Qingshao, Jingchun Tian, Feng Wang, y Xiang Zhang. «Soft-sediment Deformation Structures and Sand Body Architecture in the Chang 6 Oil Member of the Upper Triassic Yanchang Formation, Southwestern Ordos Basin, China». Earth Sciences Research Journal 23, no. 2 (abril 1, 2019): 119–126. Accedido julio 19, 2024. https://revistas.unal.edu.co/index.php/esrj/article/view/72414.

Vancouver

1.
Liang Q, Tian J, Wang F, Zhang X. Soft-sediment Deformation Structures and Sand Body Architecture in the Chang 6 Oil Member of the Upper Triassic Yanchang Formation, Southwestern Ordos Basin, China. Earth sci. res. j. [Internet]. 1 de abril de 2019 [citado 19 de julio de 2024];23(2):119-26. Disponible en: https://revistas.unal.edu.co/index.php/esrj/article/view/72414

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