Print Email Facebook Twitter AVP-preserving estimation of reservoir impulse responses Title AVP-preserving estimation of reservoir impulse responses Author Garg, A. (TU Delft ImPhys/Acoustical Wavefield Imaging) Verschuur, D.J. (TU Delft ImPhys/Acoustical Wavefield Imaging) Date 2017 Abstract Estimating the reservoir properties from surface seismic data for a target below a complex overburden is a challenging problem. One of the approaches is to apply reservoir-oriented local inversion schemes on the redatumed local reflection response. In this paper, we propose a process to estimate the reservoir impulse responses (redatumed reflection response) in a complex overburden setting for realistic data with angledependent or angle vs ray parameter (AVP) characteristics. The impulse responses are estimated using Joint Migration Inversion (JMI) followed by sparsity constrained Proximity Transformation. It comprises a full wavefield approach in the sense that it correctly accounts for all internal multiples and transmission effects. As a result, the estimated impulse responses are free of interference related to internal multiples in the overburden. The process involves a noval procedure to estimate the propagation velocity model using the flexibility in the JMI parameterization. We finally show that this proposed JMI redatuming provides a much more reliable local reflection response, compared to standard redatuming based on time reversal of recorded data. To reference this document use: http://resolver.tudelft.nl/uuid:c606e5ca-a144-4300-a71f-cd7ce9ec458f Publisher EAGE ISBN 9789462822177 Source Proceedings of 79th EAGE Conference and Exhibition 2017 Event 79th EAGE Conference and Exhibition 2017, 2017-06-12 → 2017-06-15, Paris, France Part of collection Institutional Repository Document type conference paper Rights © 2017 A. Garg, D.J. Verschuur Files PDF Th_P1_05.pdf 855.71 KB Close viewer /islandora/object/uuid:c606e5ca-a144-4300-a71f-cd7ce9ec458f/datastream/OBJ/view