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9th Biennial International Conference and Exposition on Petroleum Geophysics on 16-18 February, 2012

Delineation of western margin fault of West Godavari sub-basin and Bapatla Horst of K-G basin using 3D Seismic and Gravity data A case study of KGOnland block area falling in Krishna and West Godavari districts, Andhra Pradesh

Published in GEOHORIZONS - 2012

Narsaiah Rapolu*, Rituraj Dubey, Maninee P. Barik and J.V. Ramana, GSPC Ltd.

Abstract


Seismic survey is the direct tool to image the subsurface and a good tool in identifying structure towards finding of hydrocarbons. Gravity and Magnetic studies are also important to understand and determine the sediment thickness. Present study is a combined work of Seismic and Gravity data to identify the basin margin fault (western margin fault of West Godavari sub-basin and Bapatla Horst of K-G basin) and corroboration of the same with reference to earlier published data with more support from present study. Bouguer Gravity anomaly maps are available for entire KG area and at present Gravity and Magnetic survey was conducted over 1000 stations with 1km X 1km grid interval in the present study area. 3D seismic data was also acquired in the area and the present study is done using both Gravity and Seismic data.

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