2021•IOP Conference Series Earth and Environmental ScienceOpen access
The lithofacies superposition patterns of oil-bearing reservoir of different productivity levels of the Lower Fourth Member of Eocene Shahejie Formation in Dongying Sag, Bohai Bay Basin
Ningning Xu
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Abstract
Abstract Based on core observation and well logs, the paper reveals the lithofacies superposition patterns of oil-bearing reservoir of different productivity levels of the Lower Fourth Member of Eocene Shahejie Formation in Dongying Sag, Shengli Oilfield. The reservoir is divided to three types according to its productivity levels. Type A: natural productivity > 10 tons per day; Type B: 5 tons per day
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