Organic Geochemistry in the Rationalization of Oil and Gas Exploration and Production

Abstract

Organic geochemistry. a comparatively young scientific discipline integrated into the basic geological model can affect the reduction of oil and gas exploration risks. The correct use of these data, particularly on a regional level, so-called geochemical mapping, has been successful in discovering the hydrocarbon reservoir. By selecting relevant geochemical parameters (source, migration, temperature regime) it has been possible to obtain particulary useful information about marginal, markedly unfavourable parts of the basin, where
exploration costs are very high.
The geochemical results are used as correlation parameters, not only in exploration, but also during hydrocarbon production. They enable determination of reservoir destruction, as well as composition change of reservoir hydrocarbons.
However, the combination of all geological and geopbysical methods and techniques in the course of exploration process results in the maximum effect of geochemical prospection.