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P-impedance Inversion - A Fit for Purpose Technique for Reservoir Characterization, Mangala Field, IndiaNormal access

Authors: A. Malkani, S. Somasundaram, V. Ravichandran, S. Mukherjee, P. Hansen and S. Mishra
Event name: 76th EAGE Conference and Exhibition 2014
Session: Rock Physics - Case Studies and Stress Dependencies
Publication date: 16 June 2014
DOI: 10.3997/2214-4609.20140933
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 2.85Mb )
Price: € 20

Summary:
Although P-impedance inversion is an old tool that has been used for many decades in the oil industry, the presented paper highlights its relevance in Mangala Fatehgarh reservoir in Barmer Basin. The post stack P-impedance inversion is identified as the most suitable attribute for lithology discrimination and reservoir characterization in Mangala field. The inverted impedance volume has been successfully used to validate the well locations which were drilled in pattern mode. This paper illustrates how a successful well based feasibility study of P-impedance inversion followed by full inversion work and its analysis can help in discriminating lithology for reservoir characterization. P-impedance volume has been used for planning and executing the horizontal wells for higher oil productivity. This work continues to be used after more than three years and 175 development wells, helping to optimize well placement and improve reservoir management.


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