Fan Delta Sedimentary Reservoir Seismic Prediction:A Case Study in theZiliujing Formation Zhengzhuchong Member in Yuanba Area,Northeast Sichuan
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ZHANG Xi-Hua，LIN Liang-Biao，CHEN Hong-De，HOU Ming-Cai，CHEN An-Qing

doi:10.11764/j.issn.1672-1926.2013.02.423

2013 , Vol. 24 >Issue 2: 423 - 428

DOI: https://doi.org/10.11764/j.issn.1672-1926.2013.02.423

Fan Delta Sedimentary Reservoir Seismic Prediction:A Case Study in theZiliujing Formation Zhengzhuchong Member in Yuanba Area,Northeast Sichuan 

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1.State Key Laboratory of Oil and Gas Reservoir Geology and Development Engineering,Chengdu 610059,China; 2.Chengdu University of Technology Sedimentary Geology Research Institute,Chengdu 610059,China

Received date: 2012-08-09

Revised date: 2012-09-16

Online published: 2013-04-10

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Abstract

Jurassic Ziliujing Formation in the Yuanba region,Northeast Sichuan belongs to fan delta deposition.The fan delta-front underwater distributary channel controls the development of sand body and fracture can improve the physical properties of reservoir,which together control the distribution and development of reservoirs.In view of the complex tectonics,and the difficult comparison between seismic horizon due to the oscillation and migration of riverway,this paper used the seismic horizon comparison based on the seismic frequency division technology,identified the distribution of underwater distributary channel according to the seismic facies and seismic attribute sections.Seismic data with wavelet reconstruction can clearly descript small faults.It finally determined the composite area between underwater distributary channel and fracture development belt as favorable reservoir development zone,which provided a sound basis for the future exploration.

Key words： The fan delta front; Underwater distributary channel; Seismic spectral decomposition technique; Seismic attribute sections; Wavelet reconstruction

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ZHANG Xi-Hua，LIN Liang-Biao，CHEN Hong-De，HOU Ming-Cai，CHEN An-Qing . Fan Delta Sedimentary Reservoir Seismic Prediction:A Case Study in theZiliujing Formation Zhengzhuchong Member in Yuanba Area,Northeast Sichuan [J]. Natural Gas Geoscience, 2013 , 24(2) : 423 -428 . DOI: 10.11764/j.issn.1672-1926.2013.02.423

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