Hydrocarbon Distribution of Ordovician in Carbonate Vuggy Reservoirs in Halahatang Area, Tarim Basin

Abstract

Abstract: The carbonate vuggy reservoirs in this study area show obvious "string beads" reflection in seismic profile and star or massive feature in plane map of seismic attributes. The hydrocarbon-bearing vugs are characterized by low gamma ray and low velocity from geophysical analysis. The hydrocarbon-bearing property is identified by pseudo-acoustic impedance inversion using the method for reconstruction of acoustic velocity curve from gamma ray curve. Combination of this method with seismic attribute technique can more precisely predict the distribution of oil-gas reservoirs.

Key words: Tarim basin, Yijianfang formation, carbonate rock, vuggy reservoir, seismic prediction

CLC Number:

TE112.221

CUI Wen-juan, LI Ming, ZHANG Li-juan, GAO Li, TANG Jun-wei, XIA Wei-jie, MA De-bo. Hydrocarbon Distribution of Ordovician in Carbonate Vuggy Reservoirs in Halahatang Area, Tarim Basin[J]. Xinjiang Petroleum Geology, 2011, 32(2): 126-128.

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Hydrocarbon Distribution of Ordovician in Carbonate Vuggy Reservoirs in Halahatang Area, Tarim Basin

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