Central Uplift Belt Evolution and Ordovician Reef Bank Reservoir in Tarim Basin

Abstract

Abstract: The Ordovician reef bank developed in Tarim basin is the quite favorable carbonate reservoir for petroleum exploration. Thereef bank in this basin is found mainly in platform margin zone and inner-platform arch ramp zone. The reef bank in Bachu area developsin group along NE-SW, parallel to the tectonic boundary between Bachu uplift and Keping uplift; in Tazhong area it is mainly distributedin platform margin zone in Tazhong No.1 fault belt, with the feature of shifting with the platform margin migration. On the whole, theOrdovician reef bank in Tarim basin is distributed around the ancient uplifts, dominated by platform margin zone. With the tectonismrising and descending, this zone gradually migrates towards west, so does the reef bank zone, too. It is obvious that the ancient upliftevolution is of obvious controlling effect on the development of Ordovician reef bank reservoirs.

Key words: Tarim basin, ancient uplift, Ordovician reef bank, platform margin zone, control

CLC Number:

TE111.3

ZHANG Cong, YU Bing-song, ZHANG Di. Central Uplift Belt Evolution and Ordovician Reef Bank Reservoir in Tarim Basin[J]. Xinjiang Petroleum Geology, 2010, 31(1): 29-32.

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