弹性参数反演识别页岩油气“甜点”技术综述
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摘要
叠后地震数据对页岩非均质性不敏感,应用叠前反演获得弹性参数极为必要。页岩可压裂性主要与石英含量有关,杨氏模量和泊松比是2个重要的参数,综合应用地震、地质、测井、微地震等信息是页岩油气"甜点"预测成功的关键。
Poststack seismic data is not sensentive to heterogeneity of shale,so it is very important to get elastic parameters by prestack data inversion. The fracturbility of shale is mainly associated with quartz,and Young's module and Poisson ratio are two important parameters,on the other hand,Lam's coofficents can be used,too. Integration of seismic,geology,well- logging and micor- seismic information is vital for "sweet spot"prediction.
Poststack seismic data is not sensentive to heterogeneity of shale,so it is very important to get elastic parameters by prestack data inversion. The fracturbility of shale is mainly associated with quartz,and Young's module and Poisson ratio are two important parameters,on the other hand,Lam's coofficents can be used,too. Integration of seismic,geology,well- logging and micor- seismic information is vital for "sweet spot"prediction.
引文
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[2]Mark Norton,Wayne Hovdebo,David Cho,et al.Surface Seismic to Microseismic:An Integrated Case Study from Exploration to Completion in the Montney Shale of NE British Columbia[A].Canada,SEG,2010:2095-2099.
[3]Adam Koesoemadinata,George El-Kaseeh,et al.Seismic Reservoir Characterization in Marcellus Shale[A].SEG,SS2,2011,2:3700-3703.
[4]Arcangelo Sena.Seismic Reservoir Characterization in Resource Shale Plays:“Sweet Spot”Discrimination and Optimization of Horizontal Well Placement[A].SEG,2011:1744-1747.
[5]Arcangelo Sena.Seismic Reservoir Characterization in Resource Shale Plays:Stress Analysis and Sweet Spot Discrimination[J].TLE July,2011:758-764.
[6]Galen Tregold,Bruce Campell,Bill Mc Lan,et al.Eagle Ford Shale Prospecting with 3D Seismic Data within a Tectonic and Depositional System Framework[J].TLE,Jan,2011:48-53.
[7]Slatt R M,Rodriguez N.Comparative Sequence Stratigraphy and Organic Geochemistry of North American Unconventional Gas Shales:Commonality or Coincidence in Critical Assessment of Shale Resource Plays[R].AAPGSEGSPESPWLA Hedberg Conference Extended Abstracts,2010.
[8]Roger Slatt,Younane Abousleiman.Merging Sequence Stratigraphy and Geomechanics for Unconventional Gas Shales[J].TLE March,2011:274-282.
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