DOI: dx.doi.org/10.21440/2307-2091-2016-2-25-27
Geological structure and reservoir properties of meso-cenozoic deposits of Dzharly-Saatli oil and gas region at great depths pdf
V. Sh. Gurbanov, N. R. Narimanov, L. A. Sultanov, M. S. Babaev
The paper presents the results of comprehensive petrophysical studies of rock samples, Meso-Cenozoic sediments taken from drilled exploratory wells and geological material of areas of Dzharly-Saatli oil and gas region, with widespread productive strata deposits (PT-Lower Pliocene) that have defined reservoir properties. Authors conducted the studies in the atmospheric and thermodynamic conditions and carried out an analysis of the interpretation of reservoir properties of sedimentary and igneous rocks from the deep exploration wells of areas of Dzharly-Saatli petroleum district. The analysis and interpretation of geological, geophysical and petrophysical materials established that oil and gas bearing reservoirs are mainly related to fractured, by volcanic-sedimentary and carbonate rocks. These brief petrophysical rocks characteristics of the crust sections in Dzharly-Saatli oil and gas region show that all kinds of rocks are characterized by an identical composition, the same degree of metamorphism. Based on the tabulation authors has prepared petrophysical graph showing the change in porosity of the section. The graph shows that with depth, rock porosity decreases with the increase of density and velocity of propagation of ultrasonic waves. The study established dependencies between the physical parameters for individual rocks species, depending on the physical properties and material composition of the rock.
Keywords: rocks; formation; porosity; depth; slit; density; petrophysics; horizon; drilling; geophysics; petroleum accumulation.
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