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Experience of Implementation of Low-Frequency Seismic Sounding at Exploration Stage in the Samara RegionNormal access

Authors: I.R. Sharapov, A.E. Manasyan, S.P. Papukhin, N.Y. Shabalin, V.A. Rizhov and S.A. Feofilov
Event name: 7th EAGE Saint Petersburg International Conference and Exhibition
Session: Case Studies in Exploration & Production
Publication date: 11 April 2016
DOI: 10.3997/2214-4609.201600162
Organisations: EAGE
Language: Russian
Info: Extended abstract, PDF ( 2.9Mb )
Price: € 20

Summary:
Seismic survey is the traditional method for prospecting and exploration of hydrocarbon deposits. It is used mostly to define the geometry of reservoir and its porosity and permeability however productivity evaluation of identified local structures still stays unsolved. In the last 15-20 years started the active development of geophysical methods based on the analysis of natural low-frequency microseismic noise of the earth. These methods solve problems of hydrocarbon prospecting. One of such types of microseismic surveys is the Low-frequency seismic sounding (LFS) method. Application of LFS method at the exploration stage within the license areas of OJSC "Samaraneftegaz" in Samara region is conducted since 2011. Designated purpose of LFS surveys on this area is prospecting and supplementary exploration of hydrocarbon deposits also determination of optimal location for further drilling. Efficiency of LFS surveys at the areas of the OJSC "Samaraneftegaz" during the 2011-2013 is estimated 90%. 30 wells have been drilled using the results of LFS surveys and 27 of them confirmed the forecast


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