LIU Zhong bao, YU Bing song, LI Ting yan, FAN Tai liang, JIANG Hong chen. Sequence Development Controls on Iyngenesis Karst of the Middle-upper Ordovician Carbonate in Tazhong Area,Tarim Basin[J]. Acta Sedimentologica Sinica, 2004, 22(1): 103-109.
| Citation:
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LIU Zhong bao, YU Bing song, LI Ting yan, FAN Tai liang, JIANG Hong chen. Sequence Development Controls on Iyngenesis Karst of the Middle-upper Ordovician Carbonate in Tazhong Area,Tarim Basin[J]. Acta Sedimentologica Sinica, 2004, 22(1): 103-109.
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Sequence Development Controls on Iyngenesis Karst of the Middle-upper Ordovician Carbonate in Tazhong Area,Tarim Basin
- 1.
China University of Geosciences, Beijing 100083;
- 2.
Key Laboratory of Lithosphere Tectonics and Exploration, Ministry of Education, Beijing 100083
- Received Date: 2003-01-06
- Rev Recd Date:
2003-02-20
- Publish Date:
2004-03-10
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Abstract
Tazhong area is located in the middle of Tarim Basin, which is a major oil production area of Tarim Oil field. The carbonate of Ordovician is one of the most important target strata for oil exploration. Guided with the theory of high resolution sequence stratigraphy and based on the data of outcrop sections, well logs and rock core, the primary research of sequence stratigrphy is conducted, and the interfaces of third order sequences of middle upper Ordivician in this area identified. Combined with the analysis of slices and by using characteristic diagenesis fabric to identify indications of meteorite water diagenesis, 4 meteoric water diagenetic lenses are identified, and outcrop sections of sequence and meteoric water diagenetic lenses are constructed, by which sequence interfaces of different levels made on carbonate iyngenesis karst at the edge of mesas, is of importantly instructive meaning to exactly forecast the development order of carbonate reservoir.
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