Geology

Physico-geological Bases of Forecasting objects, Perspective on oil and Gas by Methods of Prospecting Geophysics and Practice of their Application

Questions on орроrtunities of forecasting of deposits of hydrocarbons with the help of gravimagnetic methods are considered on the basis of multilevel physico-geological models of oil-and-gas deposits. Examples integration geopotential methods are shown at forecasting oil-and-gas objects and an opportunity of use of a correlation technique of division of geophysical anomalies KOMR. 

To Question for Determination Index Effective Fracturing Carbonate Collectors

It is shown that index effective fracturing carbonate collectors can determinant surveys of oil wells. Results of determination index effective fracturing carbonate collectors is shown in table. 

Forecast Oil and Gas Content of Bowels using Methods of Deep Geochemistry

This article gives a brief overview on the possible forecast of oil and gas content on the basis of the studies of DOS (dispersed organic substance) rocks and its catagenetic alteration. On an example of southern part of Buzulukskaya hollow the connection of paleozoic rocks catagenezic with the phase content of hydrocarbons deposits is traced. The original scheme of catagenetic location of the bowels for this territory has been devised on the basis of the usage of the method of calculation of total impulses of heat.

Lithological and Physical Yardsticks on Optimization Technology of Mud Acid Treatments Terrigenous Reservoirs

Results of laboratory and field researches on optimization of realization of mud acid treatments in the wells, opened terrigenous reservoirs at Saratovneftegaz OAO deposits, are submitted. it is shown, that efficiency of mud acid treatments of wells is determined by a degree of conformity of a mode of treatment of a layer with its geologicalphisical characteristic. 

Well Logging Zoning of Saratov Region

In work for needs of the mine geophysics the outline of the Saratov oblast division into district is offered, it is based on the depths of bedding and litological structure of the basic oil and gas complexes, tectonic division into district of the territory, distribution of the saltmeasures and zones of development of the anomaly press, results of the metering of geophysical parameters in the chinks, stratigraphy layings out, data about the designs of the chinks, bed temperatures and pressure, mineralization of the bed of waters.

Сharacteristics of the Lower Cretaceous Local Stratigraphic Units from the North of the Volgograd Region

Detailed sampling of the Lower Cretaceous beds from the wells and outcrops in the north of the Volgograd Region has revealed peculiarities in the material composition alterations along the section at the level of local stratigraphic units. Cyclicity in the Cretaceous bed formation has been established. Analyses of the authors’ own and of the earlier published paleontologic data have made it possible to date the beds relative to the general stratigraphic scale. Sedimentation stages in the Early Cretaceous have been considered for the Volga right bank region in the vicinity of Volgograd. 

Preliminary Results of Researches of Estimation of an Opportunity of Quantitative Interpretation of Termokappametric Data

Termokappametric method, that is based on the effect of phase transition of sulfides and carbonates of iron to magnetite at heating up to 500° C in the oxidizing environment, allows to define variations of concentration of pyrite in rocks. It is carried out laboratory and field researches with the purpose of finding-out of an opportunity to receive quantitative, instead of the qualitative with help of the termokappametric method.

To Paleoclimatic Control in Oil and Gas Generation as Related to Estimation of Oil and Gas Content Prospects in the Shelves of Russian Arctic Seas

A direct dependence is established between the scale of accumulation of oil source organic matter and the average annual temperature, illumination and supply of biogenic elements to the photic layer of the water mass in a sedimentation basin. Other conditions being favourable, the oil-generating potentials of sedimentary-rock basins depend upon their paleolatitudinal position during accumulation of oil-source deposits. Oil and gas contents are predicted for the shelf zones of other marginal Arctic seas in Russia.

Main Informative Characters of Facies-Genetic Types of the Late Phanerozoic Sediments from the South-East of the EasternEuropean Platform

Main informative characters of facies-genetic types of the Late Phanerozoic marine and continental deposits for SE of the EasternEuropean platform are discussed. Their analysis has shown irreversible trends of decreasing of chemogenic formations from the Permian age to Recent as well as increasing of terrigenouscarbonate, sapropel and siliceous-carbonate biogenic sedimentation.

Study of Neotectonic Fissuring in Connection with a Substantiation of Ecological Safety of Sokolovogorsky Burial Ground Disposal of Industrial Drains

Passing waters received at improvement of Sokolovogorsky oil and gas field is subject of injection in the Paleozoic carbon-bearing collector. Digital geological model of the burial reservoir has been created to prove size of sanitary protection zones (ZSP) by the collective of NVNIIGG. This allowed carrying out hydrodynamic modeling and defining of parameters of spreading zone. Taking into account anisotropic properties of the reservoir, experts of chair of engineering geology and hydrogeology of the Saratov state university were involved in the project.

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