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Hydrocarbon deposit mapping validation by the means of ground-based spectrometry, remote sensing and geophysical data
Author(s) -
Olga Titarenko
Publication year - 2019
Publication title -
ukraïnsʹkij žurnal distancìjnogo zonduvannâ zemlì
Language(s) - English
Resource type - Journals
ISSN - 2313-2132
DOI - 10.36023/ujrs.2019.21.151
Subject(s) - reliability (semiconductor) , geology , hydrocarbon exploration , remote sensing , field (mathematics) , consistency (knowledge bases) , computer science , structural basin , artificial intelligence , paleontology , power (physics) , physics , mathematics , quantum mechanics , pure mathematics
The probability estimation of oil and gas inside certain area is essential for decision making on the industrial exploitation of oil and gas bearing features. A quantitative assessment of the hydrocarbon contour mapping accuracy using ground-based spectrometric measurements, remote, geological and geophysical data requires a special validation procedure. Its purpose is to evaluate achieved accuracy and reliability as well as the conformance to specified requirements. The input data for validation of the hydrocarbon deposit contour by field spectrometry are the one points’ locations relative to the other contours detected by independent methods, such as remote, geological and geophysical. As the field spectrometry performed along spatial trace, the geometric drifts of other methods’ cross-points are estimated. The algorithm for the validation of hydrocarbon deposit contour mapping by field spectrometry, remote, geological and geophysical data is proposed in this paper. The algorithm was tested on over the Novotroitsky and East Rogintsy hydrocarbon deposits (Ukraine). Measurements along 14 spatial traces over the Novotroitsky’s deposit and 28 traces over the East Rogintsy’s one was carried out to perform validation. The average error probability was 0.28, which demonstrates an admissible reliability of hydrocarbon deposits contours’ mapping by field spectrometry data. The preliminary validation estimates engagement during the hydrocarbon deposits mapping provides the fact-based statistical consistency of the quantitative measurements received. In addition, it is possible to filter the outliers reasonable before final information product release, which will enhance the overall reliability.

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