Recovery of fine structure of cavernous reservoirs by scattered waves imaging

V. A. Cheverda, K. G. Gadylshin, D. R. Kolyukhin, M. I. Protasov, G. V. Reshetova, T. S. Hachkova, V. A. Kolesov, A. A. Merzlikina, V. V. Shilikov

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Abstract

In the recent study of the Yurubcheno - Tokhomskoye oil field more and more attention is paid to the Riphean intervals with high cavitary. Current estimates of specialists working in this area forecast about 30% of geological reserves of hydrocarbons within these intervals. At the moment nor the origin or dissemination of these intervals are not clear. There is some general geological knowledge about these layers. In particular, it is worth mentioning that their average width is 0.5 m - 1 m, the average voidage is about 10% and they are located just below the Riphean interface at a depth around 2000 m. To assess the possibility of seismic techniques for imaging these objects we perform full scale numerical simulation of seismic waves' propagation and generate synthetic multishot - multioffset data. The simulation was done by parallel software on the base of finite-difference technique with local grid refinement in time and space. Next, we use multicomponent Gaussian beams to construct scattered waves' images of thin cavernous layers.

Original languageEnglish
Title of host publicationSaint Petersburg 2018
Subtitle of host publicationInnovations in Geosciences � Time for Breakthrough
PublisherEuropean Association of Geoscientists and Engineers, EAGE
ISBN (Electronic)9789462822474
DOIs
Publication statusPublished - 2018
Externally publishedYes
Event8th Saint Petersburg International Conference and Exhibition: Innovations in Geosciences - Time for Breakthrough - Saint Petersburg, Russian Federation
Duration: 9 Apr 201812 Apr 2018

Publication series

NameSaint Petersburg 2018: Innovations in Geosciences - Time for Breakthrough

Conference

Conference8th Saint Petersburg International Conference and Exhibition: Innovations in Geosciences - Time for Breakthrough
CountryRussian Federation
CitySaint Petersburg
Period09.04.201812.04.2018

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