Density-thermal dependence of sedimentary associations calls to reinterpreting detailed gravity surveys

Vagif G. Gadirov, Lev V. Eppelbaum


The modern gravimetric equipment allows to register very small effects of gravity field changes and can be applied solving different geological, geophysical and environmental problems. However, sometimes insufficient calculation of various kinds of geological noise complicates effective application of detailed gravity field analysis. One of such factors is the temperature regime over and outside different buried objects of investigation. In this paper temperature changes in a subvertical zone over a hydrocarbon deposit and outside its contour are analyzed. The integrated density change and corresponding gravity effects are calculated for the Muradkhanly oil deposit situated within the south-east part of the Middle Kura Depression (central Azerbaijan). Calculation of these effects on the basis of density- temperature data correlation analysis could significantly improve the microgravity field examination over the hydrocarbon deposits. The similar correction procedure may be applied also over underground water horizons and some environmental targets.


Temperature; Density; Subvertical zone; Gravity anomaly

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Published by INGV, Istituto Nazionale di Geofisica e Vulcanologia - ISSN: 2037-416X