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The Application of Elastic Impedance Inversion and Pre-stack Attribute Analysis for Prospect Identification - A Case StudyNormal access

Authors: S.H. Karimi, H. Karbalaali, S.R. Shadizadeh and M.A. Riahi
Event name: 75th EAGE Conference & Exhibition incorporating SPE EUROPEC 2013
Session: Seismic Reservoir Characterisation I
Publication date: 10 June 2013
DOI: 10.3997/2214-4609.20130657
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 2.64Mb )
Price: € 20

Summary:
In this study, with limited well control and pre-Stack Time Migrated (PSTM) seismic data, the advantage of performing Elastic Impedance Inversion is investigated for an offshore sandstone reservoir, south of Iran. Pre-stack simultaneous inversion is also applied in order to extract several pre-stack seismic attributes including: Lame parameters, Poisson Impedance and Poisson Dampening Factor. The attribute analysis at the well location is studied to find the best fluid-sensitive factors for delineation of hydrocarbon bearing zone of the reservoir. The result of the analysis at the well location is generalized to the volume of study since the reservoir under study is considered as a homogenous layer without any complicating factors of sealing faults, secondary porosity and lateral change of lithology.


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