scholarly journals THE ROLE OF MOLECULAR PHYSICS IN THE FORMATION AND PLACEMENT OF HYDROCARBON DEPOSITS IN OROGENIC FORMATIONS

2018 ◽  
pp. 23-29
Author(s):  
Yu. Ya. Bolshakov ◽  
E. Yu. Neyolova
Keyword(s):  
Porous Media ◽  
Oil And Gas ◽  
Capillary Forces ◽  
Gas Content ◽  
Hydrocarbon Accumulation ◽  
Molecular Physics ◽  
Water Saturated ◽  
Gas Fields ◽  
Hydrocarbon Deposits

The article considers the large gas fields geology aspects of which are totally in conflict with the principles of anticline theory of hydrocarbon accumulation. These fields are situated in orogenic formations and associated with large synclinal structures. Any seals and lateral screens are absent. Gas saturated reservoirs are surrounded by relatively large-porous water-saturated sandstones and retained in pools due to the capillary forces. The nature of these fields is determined by the molecular physics laws, which effect in oil-wet porous media. These areas are abundant within the geosynclinal systems where synclinal structures can be considered as perspective for oil-and-gas content.

scholarly journals Oil and Gas Potential in the Territory of the South-Eastern Part of the Bukhara-Khiva Region

2021 ◽  
Vol 11 (4) ◽  
pp. 4699-4708
Author(s):  
Odiljon G. Khayitov ◽  
Gulnarakhon K. Salizhanova ◽  
Marhamat A. Mutalova ◽  
Sevara I. Aminzhanova ◽  
Malika Y. Mishareva
Keyword(s):  
Oil And Gas ◽  
High Capacity ◽  
Gas Condensate ◽  
Gas Content ◽  
Southeastern Part ◽  
Promising Target ◽  
Gas Fields ◽  
Gas Potential ◽  
Filtration Properties ◽  
Hydrocarbon Deposits

The article analyzes the oil and gas content of the southeastern part of the Bukhara-Khiva region. It is shown that this territory is the main promising target for prospecting for new oil, gas and hydrocarbon deposits. It was revealed that the main productive deposits are carbonate deposits. It has been established that the most widespread and large ones are massive deposits in traps of the structural-lithological type, confined to the Callovian-Oxfordian reef deposits and distinguished by high capacity and filtration properties. It is argued that the lower part of the reservoirs is flooded in all fields of this type. The characteristic is given of 44 open oil, oil and gas condensate, gas condensate and gas fields of the specified region. Pre-Jurassic deposits contain hydrocarbons. The features of the structural plans of carbonate and salt-anhydrite formations and their influence on the location of oil and gas deposits within the southeastern part of the Bukhara-Khiva region for increasing hydrocarbon reserves have been determined. The fields under development in the stage of deep drilling have been clarified. Recommendations for deepening geological exploration are offered.

scholarly journals Interpretation of electrical logging data from the Hettangian-Aalenian terrigenous reservoirs in the Southeast of Western Siberia

Georesursy ◽  
2021 ◽  
Vol 23 (4) ◽  
pp. 73-79
Author(s):  
Olga Loktionova ◽  
Lyudmila Kalinina ◽  
Igor Mikhaylov
Keyword(s):  
Western Siberia ◽  
Oil And Gas ◽  
Data Interpretation ◽  
Upper Jurassic ◽  
Lower Jurassic ◽  
Oil And Gas Fields ◽  
Water Saturated ◽  
Gas Fields ◽  
Gas Potential ◽  
Hydrocarbon Deposits

In the southeast of Western Siberia, the most studied are the Upper Jurassic deposits, most of the oil and gas fields being confined to them. However, the probability of discovering new hydrocarbon deposits in the Upper Jurassic horizons is extremely small. Therefore, of great importance is finding new hydrocarbon deposits in less studied deep-lying complexes. The article considers the development of a criterion for determining the saturation type of the terrigenous reservoirs in the Hettangian-Aalenian deposits in the southeast of the West Siberian sedimentary basin. We use the example of the Ust-Tym megadepression, a large depression located in the central part of the Tomsk region. The Lower and Middle Jurassic sections are represented by the Urman and Togur formations, Salat formation (Peshkov formation is its isochronous analogue) and Tyumen formation, and characterized by the alternation of predominantly sandy (potential reservoirs) and argillaceous-carbonaceous (seals) sequences. In the studied interval, tests were carried out in just a few wells, for which reason the identification of deposits and promising objects is complicated. Determining the type of reservoir saturation will significantly improve the assessment of oil and gas potential. As a result of interpreting lateral logging sounding data, the geoelectric parameters of the invasion zone and undisturbed formation were reconstructed for the Lower Jurassic and Aalenian deposits. Based on the well logging data interpretation by means of numerical inversion, we obtained the criterion for the saturation type of the reservoirs (Ju11-17) in the Hettangian-Aalenian complex. The boundary resistivity values for the oil-saturated reservoirs vary from 8 to 20 ohm∙m, while for the water-saturated ones they do not exceed 5 ohm∙m.

The geosolitonic concept of high output hydrocarbon deposits formation

2021 ◽  
pp. 13-22
Author(s):  
R. M. Bembel ◽  
S. R. Bembel ◽  
M. I. Zaboeva ◽  
E. E. Levitina
Keyword(s):  
Western Siberia ◽  
Oil And Gas ◽  
Chemical Elements ◽  
Seismic Exploration ◽  
Oil And Gas Fields ◽  
Recoverable Reserves ◽  
Production Wells ◽  
Cumulative Production ◽  
Gas Fields ◽  
Hydrocarbon Deposits

Based on the well-known results of studies of the ether-geosoliton concept of the growing Earth, the article presents the conclusions that made it possible to propose a model of thermonuclear synthesis of chemical elements that form renewable reserves of developed oil and gas fields. It was revealed that local zones of abnormally high production rates of production wells and, accordingly, large cumulative production at developed fields in Western Siberia are due to the restoration of recoverable reserves due to geosoliton degassing. Therefore, when interpreting the results of geological and geophysical studies, it is necessary to pay attention to the identified geosoliton degassing channels, since in the works of R. M. Bembel and others found that they contributed to the formation of a number of hydrocarbon deposits in Western Siberia. When interpreting the results of geological-geophysical and physicochemical studies of the fields being developed, it is recommended to study the data of the ring high-resolution seismic exploration technology in order to identify unique areas of renewable reserves, which can significantly increase the component yield of hydrocarbon deposits.

scholarly journals Improve The Efficiency Of The Study Of Complex Reservoirs And Hydrocarbon Deposits - East Baghdad Field

2020 ◽  
Author(s):  
Sudad H Al-Obaidi
Keyword(s):  
Oil And Gas ◽  
Water Saturation ◽  
Well Logging ◽  
Well Testing ◽  
Petrophysical Parameters ◽  
Oil And Gas Fields ◽  
Hydrocarbon Fields ◽  
Gas Fields ◽  
Hydrocarbon Deposits

Practical value of this work consists in increasing the efficiency of exploration for oil and gas fields in Eastern Baghdad by optimizing and reducing the complex of well logging, coring, sampling and well testing of the formation beds and computerizing the data of interpretation to ensure the required accuracy and reliability of the determination of petrophysical parameters that will clarify and increase proven reserves of hydrocarbon fields in Eastern Baghdad. In order to calculate the most accurate water saturation values for each interval of Zubair formation, a specific modified form of Archie equation corresponding to this formation was developed.

Co-transport of U(VI) and akaganéite colloids in water-saturated porous media: Role of U(VI) concentration, pH and ionic strength

2018 ◽  
Vol 147 ◽  
pp. 350-361 ◽  
Author(s):  
Mengtuan Ge ◽  
Dengjun Wang ◽  
Junwei Yang ◽  
Qiang Jin ◽  
Zongyuan Chen ◽  
...  
Keyword(s):  
Porous Media ◽  
Ionic Strength ◽  
Saturated Porous Media ◽  
Water Saturated

scholarly journals CALCULATION OF WATER SATURATED FOUNDATION UNDER THE OIL-AND GAS FIELDS FACILITIES

2016 ◽  
pp. 110-113
Author(s):  
T. V. Maltseva ◽  
T. V. Saltanova ◽  
A. N. Kraev ◽  
V. V. Mironov
Keyword(s):  
Mathematical Model ◽  
Oil And Gas ◽  
Numerical Solutions ◽  
Strained State ◽  
Mineral Particles ◽  
Oil And Gas Fields ◽  
External Forces ◽  
Water Saturated ◽  
Gas Fields ◽  
The Impact

The influence of facilities on the foundation made of water saturated ground is studied in view of the impact of various external forces on the foundation. The developed mathematical model of the stress-strained state of the system «facility - foundation» enables to determine maximal stresses and strains occurred in the foundation. The numerical solutions were obtained using the modified finite-element method which took into account the impact of the pore water on the strain characteristics of the ground mineral particles.

scholarly journals Complex geodynamic indicators for forecasting hydrocarbon deposits in the arctic zone

2021 ◽  
Vol 1201 (1) ◽  
pp. 012080
Author(s):  
V A Minaev ◽  
R O Stepanov ◽  
A O Faddeev
Keyword(s):  
Oil And Gas ◽  
Vortex Structures ◽  
The Arctic ◽  
Shelf Zone ◽  
Arctic Zone ◽  
Horizontal Shear ◽  
Shear Deformations ◽  
Oil And Gas Fields ◽  
Gas Fields ◽  
Hydrocarbon Deposits

Abstract In the article, in relation to the Arctic zone of the Russian Federation, a new method of forecasting hydrocarbon deposits based on computer geodynamic modelling procedures is considered. It is less expensive compared to field and analytical methods. The approbation of the method on the example of the Laptev Sea shelf zone showed a good interpretability of its results and their compliance with the forecast obtained by other methods. The rationality of using six geodynamic indicators for forecasting: the distributions of vortex structures of the velocity vectors of horizontal shear deformations and vortex structures of normal linear deformations; the values of the velocity vectors of horizontal shear deformations and velocity vectors of horizontal normal linear deformations; the distributions of the anomalous gravitational field in isostatic reduction and the reduced temperature. The sequence of stages in determining the potential of hydrocarbon deposits in the studied territories is described, which is associated with the solution of six interrelated sequential tasks: the choice of local territorial areas of optimal size - the calculation of geodynamic indicators – the allocation of homogeneous territorial clusters – the detailing and improvement of geodynamic indicators – the determination of the potential of oil and gas fields in the cluster – the localization of oil and gas fields in each cluster – construction of a digital forecast map of the location of oil and gas fields in the study area.

The Influence of the Pipelines Operation Term in Aggressive Environments on the Gas Content and Structure of Structural Steels

2021 ◽  
Vol 313 ◽  
pp. 136-142
Author(s):  
V.D. Makarenko ◽  
T.P. Fedorina ◽  
O.V. Bezpala ◽  
S.Yu. Maksimov
Keyword(s):  
Oil And Gas ◽  
Gas Content ◽  
Mechanical Resistance ◽  
Surface Layers ◽  
Term Operation ◽  
Oil And Gas Fields ◽  
The Subject ◽  
Corrosion Defects ◽  
Gas Fields

X-ray structural studies have shown that with the increase of the life of the pipes, the surface layers of the metal adsorb a significant amount of gases (hydrogen, oxygen and sulfur), especially this is strongly manifested in the field of corrosion defects (ulcers, pitting). Also, it was found that in the process of long-term operation, the metal of the pipe walls is heavily flooded, which directly leads to its brittle and, as a consequence, increased hardness and reduced ductility. Such studies are unique in the subject of corrosion-mechanical resistance of metal and its degradation during long-term operation in the presence of alternating loads and at the same time, the aggressive environments of oil and gas fields.

QUANTITATIVE ANALYSIS OF THE RELATIONSHIP BETWEEN THE SIZE AND LOCATION OF OIL AND GAS FIELDS WITH GRAVITATIONAL ANOMALIES OF THE FERGANA DEPRESSION

2020 ◽  
Vol 2020 (3) ◽  
pp. 95-112
Author(s):  
R Umurzakov ◽  
◽  
S Rabbimkulov
Keyword(s):  
Oil And Gas ◽  
Gravity Anomalies ◽  
Geological Structure ◽  
Gas Content ◽  
Effective Volume ◽  
Oil And Gas Fields ◽  
Local Gravity ◽  
Gas Fields ◽  
The Impact ◽  
Gravitational Anomalies

Based on the analysis of published materials, it is noted that the degree of connection between the indicators of the anomalies of the gravitational field and oil and gas content remains unclear. The aim of the research was to study the nature of the dependence and assess the degree of connection between the size and location of oil and gas fields with gravitational anomalies using the example of the Fergana oil and gas region. To solve this problem, the published material on the geological structure and data on the sizes (effective volume) of deposits, as well as data on deep anomalies of the gravity field in the Fai reduction, were used. The study involved about 70 deposits. Analysis of variance showed that the “influence” of the deep anomaly factor on the effective volume of the fields in the Fergana depression is significant and reliable with a probability of 0.99. At the same time, the share of the influence of this factor on the effective volume of oil deposits in relation to the total impact of all factors is 42%, and for oil and gas - 62%. This testifies to the significant influence of deep subcrustal processes that create corresponding gravitational effects on the formation of the size and location of oil and gas fields in the Fergana depression. According to local gravity anomalies, the impact on the location and effective volumes of deposits is significant, but the reliability is low. The degree of influence on them remains unclear. The results obtained can be used to develop methods for forecasting promising areas for performing high-priority geological exploration works.

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