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Qualitative analysis of seismic amplitudes for characterization of Pliocene hydrocarbon sands, eastern offshore IndiaNormal access

Author: Niranjan C. Nanda
Journal name: First Break
Issue: Vol 35, No 9, September 2017 pp. 39 - 45
DOI: 10.3997/1365-2397.2017017
Language: English
Info: Article, PDF ( 1.5Mb )
Price: € 30

Summary:
A comparative study of amplitudes of near- and far- stacks with prestack can be a simple and effective way for characterization of Pliocene hydrocarbon channel sands in offshore India. Synergetic studies of amplitude analysis constrained with well logs and testing data make it possible to predict quality of reservoir sands, the pore fluid content and their production potential. The amplitude studies can also help in taking decisions for testing doubtful zones in drilled wells. An example of a seemingly genuine high amplitude seismic anomaly is authenticated by AVO but testing water is also discussed as an example of seismic pitfall.


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