The recent results in the study of development model, evolution, preservation conditions and reservoir types of paleao-karstfacies are reviewed in this paper.
Tidal flat environments are favorable facies to develop karst reservoirs.
潮坪环境是有利的储集岩发育相带。
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The distribution of Caledonian residuum reservoirs in the south of Ordos Basin is mainly controlled by karst palaeogeomorphology, strata of residuum and sedimentary facies.