塔里木盆地塔中卡1三维工区碳酸盐岩储层预测技术与应用

doi:10.11743/ogg20120108

Abstract

Abstract:

Previous exploration and research results show that the carbonate reservoir spaces of the Ordovician Yingshan Formation in Ka-1 3D acreage in Tazhong area are dominated by fractures and dissolution pores.However,recent reprocessed seismic data reveal some bead-shaped and short-axis-shaped high amplitude anomalies in Ka-1 3D seismic data.For this reason,many techniques,such as numeral seismic forward modeling,incoherence detection,palaeogeomorphology restoration and multiple seismic attribute extraction,are integrated to re-predict the Ordovician YingShan Formation carbonate reservoirs in Ka-1 3D acreage.The results show that the zig-shaped strong amplitude anomalies in plane view represent igneous rocks,while strong amplitude anomalies being scattered in plane view and beads-shaped on profile represent carbonate reservoirs with large cavities.These interpretations have been verified by well W20 completed recently.

Key words: incoherence detection, forward modeling, reservoir prediction, carbonate rocks, Ka-13D acreage, Tazhong area

CLC Number:

TE122.2

Yang Jiangfeng, Guan Da, Zhu Wenbin, Zhang xuedong, Xiang Xuemei, Wu Dali. Carbonate reservoir prediction technology and its application in Ka-1 3D acreage in Tazhong area,Tarim Basin[J]. Oil & Gas Geology, 2012, 33(1): 61-69.

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Carbonate reservoir prediction technology and its application in Ka-1 3D acreage in Tazhong area,Tarim Basin

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