Multidimentional analysis and data visualisation of differentially normalized electrical method on the Barents sea shelf
About authors
- 1 — post-graduate student Irkutsk State Technical University
- 2 — Ph.D., Dr.Sci. professor Irkutsk State Technical University
- 3 — Ph.D. principal geophysicist Siberian Geophysical Research-and-Development Company LLC
- 4 — Ph.D. chef geologist Siberian Geophysical Research-and-Development Company LLC
Abstract
Intensive offshore exploration is being conducted at the present time. Due to areal alterations over the hydrocarbon deposits high pyrite concentration is accumulated. This effect results in induced polarization anomalies which can be discovered with differentially normalized electrical method. The survey is being carried out in the process of a vessel movement by six channels. dU(t) fields are obtained per one current pulse. These data are highly-correlated. Transformation of these data into orthogonal high dimension space as well as robust multivariate regression procedure application allow to distinguish the geological heterogeneities response. This investigation is developing the anomalies recognition technique.
Область исследования:
(Archived) Application of the modern geophysical technologies for prospecting and exploration of mineral deposits
Keywords:
marine electroinvestigation
differentially normalized electrical method
principal component analysis
multivariate regression
Funding:
None
References
- Alekseev A.A. Optimization of geological prospecting complex for oil and gas on North Caspian: Author's abstract, PhD. Rostov-on-Don, 2009.
- Bogdanov A.G. Results of applying DNME in the region of Caspian basin // Geophysics. 2004. N 5.
- Davydenko Y.A. Sporadic noise elimination and trend reduction on the basis of differentially normalized electrical method // Geophysics. 2004. N 2.
- Davydenko Y.A., Legeydo P.Y., Pesterev I.Y., Petrov A.A. Vessel influence on transition process // Geophysics. 2005. N 3.
- Kolesov V.V. Experience of Gulf of Ob deposits development // Gas industry. 2008. N 12.
- Frank R. Hampel, Elvezio M. Ronchetti, Peter J. Rousseeuw. Robust Statistics: The Approach Based on Influence Functions. Мoscow, 1989.
- Davidenko Y., Ivanov S., Kudryavceva E., Legeydo P., Veeken P.C.H. Geo-electric surveying, a useful tool for hydrocarbon exploration // 70-th EAGE conference & exhibition incorporating SPE Evropec 2008. Rome, 2008.
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