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2004•Journal of Jianghan Petroleum InstituteRequires access

Analysis of Heterogeneous Type of Reservoir in Es_3 of Lengjia Oilfield

Lai Sheng-hua, Jianming Ma

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Abstract

Reservoirs in Es 3 of Lengjia Oilfield in Liaohe Basin are mainly composed of basin floor fan and fan delta deposits. The basin bottom reservoir sandbody is grown in the middle of the fan and in water channel of fan root, of which heterogeneity degree is high, the type of heterogeneity is complex. The fan delta reservoir sandbody is mainly composed of subsea distributary channel sandbody of frontal subfacies and beach sandbody, the heterogeneity type of the subsea distributary channel is a linear incremental one and the type of the beach sandbody is a linear reducing one.

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What this paper is about

Reservoirs in Es 3 of Lengjia Oilfield in Liaohe Basin are mainly composed of basin floor fan and fan delta deposits. The basin bottom reservoir sandbody is grown in the middle of the fan and in water channel of fan root, of which heterogeneity degree is high, the type of heterogeneity is complex. The fan delta reservoir sandbody is mainly composed of subsea distributary channel sandbody of frontal subfacies and beach sandbody, the heterogeneity type of the subsea distributary channel is a linear incremental one and the type of the beach sandbody is a linear reducing one.

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Available abstract

Reservoirs in Es 3 of Lengjia Oilfield in Liaohe Basin are mainly composed of basin floor fan and fan delta deposits. The basin bottom reservoir sandbody is grown in the middle of the fan and in water channel of fan root, of which heterogeneity degree is high, the type of heterogeneity is complex. The fan delta reservoir sandbody is mainly composed of subsea distributary channel sandbody of frontal subfacies and beach sandbody, the heterogeneity type of the subsea distributary channel is a linear incremental one and the type of the beach sandbody is a linear reducing one.

Key concepts: Subsea, Geology, Structural basin, Delta, Geomorphology, Petrology, Channel (broadcasting), Petroleum engineering

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