Preserved-amplitude denoising for seismic resolution improvement: an example of Jiandingshan Area in Qaidam Basin
YIN Si, WANG Chuanwu, DONG Yongcang, WANG Zhenqiang, ZHOU Jinzhong, SHAO Zeyu
1. New Resources Geophysical Exploration Division, BGP Inc., CNPC, Zhuozhou, Hebei 072750, China 2. China United Coalbed Methane Co. Ltd., Beijing 100016, China
Abstract：Bedrock reservoirs in the Jiandingshan Area,Qaidam Basin are characterized by double reservoir spaces (pore & fracture).In order to better track Jurassic strata and accurately identify bedrock lithologic traps in the area,a number of methods provided by GeoEast System are used to process seismic data such as preserved-amplitude denoi-sing,prestack noise removal,amplitude compensation,deconvolution,surface-consistent residual static corrections,and prestack time migration imaging.These tools improve effectively seismic resolution and imaging.Structures and fault systems in the Jiandingshan Area are understood,and the spatial distribution of the Jurassic period is identified,which provides a solid foundation for the future exploration,development,and production.
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