Discovery and geologic significance of paleokarst unconformity between Changxing Formation and Feixianguan Formation in Shunan area of Sichuan Basin

Shiyou Xuebao/Acta Petrolei Sinica

Volumn 31, Issue 3, 2010, Pages 408-414

  Luo, Bing ^a   Tan, Xiucheng ^a   Li, Ling ^a   Liu, Hong ^a   Xia, Jiwen ^b   Du, Benqiang ^b   Liu, Xiaoguang ^a   Mou, Xiaohui ^a  

^a SOUTHWEST PETROLEUM UNIVERSITY   (China)

^b Shunan Gas Field   (China)

Author keywords

Changxing Formation; Hydrocarbon accumulation; Identification criteria; Paleokarst; Shunan area; Sichuan Basin; Unconformity

Indexed keywords

CARBONATE ROCK; COMPREHENSIVE ANALYSIS; DRILLING PROCESS; FEIXIANGUAN FORMATION; HIGH QUALITY; HYDROCARBON ACCUMULATION; HYDROCARBON MIGRATION; KEY FACTORS; PERMIAN; ROCK CORE; SICHUAN BASIN; TRIASSIC;

DISSOLUTION; LANDFORMS; ROCK DRILLING; ROCKS;

HYDROCARBONS;

EID: 77953777764     PISSN: 02532697     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (26)

1. Wignall P B, Hallam A. Griesbachian(Earliest Triassic) palaeoenvironmental changes in the Salt Range, Pakistan and Southeast China and their bearing on the Permo-Triassic mass extinction[J]. Palaeogeography, Palaeoclimatology, Palaeoecology, 1993, 102(3/4): 215-237.
2. Wignall P B, Hallam A. Facies change and the end-Permian mass extinction in S. E. Sichuan, China[J]. Palaios, 1996, 11(6): 587-596.
3. Kershaw S, Zhang T, Lan G. A microbialite carbonate crust at the Permian-Triassic boundary in South China, and its paleoenvironemntal significance[J]. Palaeogeography, Palaeoclimatology, Palaeoecology, 1999, 146(1/4): 1-18.
4. Kershaw S, Guo L, Swift A, et al. Microbialites in the Permian-Triassic boundary interval in central China: Structure, age and distruction[J]. Facies, 2002, 47(1): 83-89.
5. Ezaki Y, Liu J B, Adachi N. Earliest Triassic microbialite mocro-to megastructures in the Huaying area of Sichuan Province, South China: Implications for the nature of oceanic conditions after the end-Permian extinction[J]. Palaios, 2003, 18(4/5): 388-402.
6. Lehrmann D J, Payne J L, Felix S V, et al. Permian-Triassic boundary sections from shallow-marine carbonate platforms of the Nanpanjiang Basin, south China: Implications for oceanic conditions associated with the end-Permian extinction and its aftermath[J]. Palaios, 2003, 18(2): 138-152.
7. Haas J, Demény A, Hips K, et al. Biotic and environmental changes in the Permian-Triassic boundary interval recorded on a western Tethyan ramp in the Bükk Mountains, Hungary[J]. Global and Planetary Change, 2007, 55(1/3): 136-154.
8. Reinhardt J W. Upper most Permian reefs and Permo-Triassic sedimentary facies from the southeastern margin of Sichuan Basin, China[J]. Facies, 1988, 18(1): 231-288.
9. Flüegel E, Reinhardt J. Uppermost Permian reefs in Skyros(Greece) and Sichuan (China): Implications for the Late Permian extinction event[J]. Palaios, 1989, 4(6): 502-518.
10. Yang Yuancong, Wang Tingdong, You Li, et al. The genesis of oil and gas of the Upper Permian Changxing Group, Sichuan Province[J]. Petroleum Exploration and Development, 1989, 6(3): 32-41.
11. Wu Yasheng, Fan Jiasong, Jin Yuxuan. Emergence of the Late Permian Changhsingian reefs at the End of the Permian[J]. Acta Geologica Sinica, 2003, 77(3): 289-296.
12. Wu Yasheng, Jiang Hongxia, Liao Taiping. Sea-level drops in the Permian-Triassic boundary section at Laolongdong, Chongqing, Sichuan province[J]. Acta Petrologica Sinica, 2006, 22(9): 2405-2412.
13. Ma Yongsheng, Mou Chuanlong, Guo Tonglou, et al. Sequence stratigraphy and reservoir distribution of the Changxing Formation in northeastern Sichuan Basin[J]. Earth Science Frontiers, 2005, 12(3): 179-185.
14. Li Shirong, He Weidong, Xi Daicheng, et al. Logging recognition of Changxing Formation bioherm in eastern Sichuan Basin[J]. Natural Gas Industry, 2007, 27(11): 38-39.
15. Jiang Hongxia, Wu Yasheng, Yuan Shenghu. Desiccation cracks and erosional surface in the Permian-Triassic boundary section in Chongqing[J]. Geological Journal of China Universities, 2007, 13(1): 53-59.
16. Yin H F, Feng Q L, Lai X L, et al. The protracted Permo-Triassic crisis and multi-episode extinction around the Permian-Triassic boundary[J]. Global and Planetary Change, 2007, 55(1/3): 1-20.
17. Chen Zongqing. Changxing Formation biohermal gas pools and natural gas exploration, Sichuan Basin[J]. Petroleum Exploration and Development, 2008, 35(2): 148-163.
18. Wang Baoqing, Zhang Jinliang. The forming conditions and characteristics of palaeokarst[J]. Journal of Xi'an Petroleum Institute: Natural Science Edition, 1996, 11(4): 8-10.
19. Chen Jingshan, Li Zhong, Wang Zhenyu, et al. Paleokarstification and reservoir distribution of Ordovician carbonates in Tarim Basin[J]. Acta Sedimentologica Sinica, 2008, 25(6): 858-868.
20. Yin Hongfu, Tong Jinnan, Ding Meihua, et al. Late Permian-Middle Triassic sea level changes of Yangtze Platform[J]. Earth Science, 1994, 19(5): 627-632.
21. Xu Xiaosong, Du Baiwei. The palaeoweathering crust-type karst reservoir rocks in carbonate rocks[J]. Sedimentary Geology and Tethyan Geology, 2005, 25(3): 1-7.
22. Wang Yigang, Zhang Jing, Yang Yu, et al. Formation mechanism of reefs gas pools in the Changxing Formation in eastern Sichuan Basin[J]. Marine Origin Petroleum Geology, 1997, 5(1/2): 145-152.
23. Yang Xiaoning, Shen Anjiang, Chen Ziliao, et al. Genetic types for petroliferous system of organic reefs in the Permian System of South China[J]. Acta Petrolei Sinica, 2002, 23(3): 6-10.
24. Saller A H, Budd D A, Harris P M. Unconformities and porosity development in carbonate strata: Ideas from a Hedberg Conference[J]. AAPG Bulletin, 1994, 78(6): 857-872.
25. Yan Xiangbin, Li Tiejun, Zhang Tao, et al. Differences between formation conditions of Ordovician karstic reservoirs in Tazhong and Tahe areas[J]. Oil & Gas Geology, 2005, 26(2): 202-207.
26. Lin Zhongmin. Carbonate rock reservoir features and oil-gas accumulating conditions in the Ordovician of Tahe Oilfield in northern Tarim Basin[J]. Acta Petrolei Sinica, 2002, 23(3): 23-26.