Geochemical remote searches of fields

Mapping Intimacies ◽

10.12737/textbook_594cc972e13106.44967243 ◽

2017 ◽

Author(s):

Серебряков ◽

Oleg Serebryakov ◽

Ушивцева ◽

Lyubov Ushivtseva

Keyword(s):

Spatial Variability ◽

Oil And Gas ◽

Chemical Compounds ◽

Gas Content ◽

Geochemical Processes ◽

Oil And Gas Fields ◽

Gas Fields

The main methods of geochemical searches of oil and gas fields at various stages of prospecting researches are given in work. the classification of geochemical methods of searches based on the directions of geochemical processes in deposits of oil and gas is given. Methods of gas shooting of superficial deposits and deep breeds are proved. Izdozhena types of bituminous and hydrochemical shootings. Methods of field geochemical works and modern technical means of geochemical researches are offered. Expediency of a kompleksirovaniye and interpretation of materials of various geochemical works is proved. Geochemical methods of searches of oil and gas fields (GPNG) are a component of a complex of the exploration works directed to identification and assessment of prospects of oil-and-gas content of the areas (regional and local elements of petrogeological division into districts) by remote methods on the basis of studying of regularities of spatial variability of fields of concentration of chemical compounds (mainly, UV-ny gases), the tipomorfnykh of elements, and microorganisms in the studied part stratisfer, hydrospheres and the atmospheres.

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

Solid State Phenomena ◽

10.4028/www.scientific.net/ssp.313.136 ◽

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.

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

Technical science and innovation ◽

10.51346/tstu-01.20.3-77-0083 ◽

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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REGARDING REAL PROSPECTS FOR DISCOVERING NEW DEPOSITS AND INCREASING OIL AND GAS PRODUCTION IN THE WESTERN REGION OF UKRAINE

Prospecting and Development of Oil and Gas Fields ◽

10.31471/1993-9973-2019-2(71)-7-19 ◽

2019 ◽

pp. 7-19

Author(s):

L. S. Monchak ◽

S.H. Anikeiev ◽

G.O. Zhuchenko ◽

T. V. Zderka ◽

Yu. L. Monchak ◽

...

Keyword(s):

Cross Sections ◽

Oil And Gas ◽

Gas Production ◽

Gas Content ◽

Western Region ◽

Oil And Gas Production ◽

Oil And Gas Exploration ◽

Oil And Gas Fields ◽

The Western Region ◽

Gas Fields

The article deals with the research of the potential of oil-and-gas content within the Western Ukrainian oil and gas region. The main directions and ways of increasing oil and gas production are determined. Consequently, the discovery of new hydrocarbon fields is the major direction to boost oil and gas production. The issue of the discovery of new oil and gas fields is suggested to divide into the following directions: a search for oil and gas fields at shallow depths (short-term prospect), a search for oil and gas fields at mid-depths and a search for oil and gas fields at great depths (the main prospects of increasing oil and gas production). The geological and geophysical data were thoroughly analyzed throughout structural and tectonic units within the Western region of Ukraine with the aim of substantiating the prospects of their oil-and-gas content and introduction of new directions of oil-and-gas exploration. The prospects of oil-and-gas content of the Neogene and the Mesozoic deposits of the exterior of the pre-Carpathian depression and flysch of the interior of the pre-Carpathian depression are provided. The prospects of oil-and-gas content of the Cretaceous and the Paleogene deposits of folded Carpathians are characterized. The promising directions for further oil-and-gas exploration within indicated tectonic elements of Carpathian region are identified; the top priority project sites are suggested. Wildcat drilling and further oil-and-gas exploration are strongly recommended for all identified project sites. The research has identified the most promising exploration project sites. All of them are illustrated with appropriate maps and cross-sections. Thus, the most promising ones at shallow depths (up to 2000 m) are the following ones: South-Slyvkinske, Anhelivka, Hoshiv and Verkhnii Hutyn elevations. At mid-depths there are Pechenizhyn, Kliuchiv, Uhilnia and Boratychi elevations. At depths over 4000 m there are the following ones: Horodyshche structure, Posada, Dubliany, South-Lopushnia, Biskiv, Sloboda-Dolyna and Mizhrichchia elevations, Pidrezhzhia and Dobromyl-Strilbychi structures. The assessment of the resource potential of identified exploration project sites was done.

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The geological structure and oil and gas content in the south-eastern part of Dniprovsko-Donetsk depression

Ukrainian Geologist ◽

10.53087/ug.2013.1(41).246413 ◽

2013 ◽

pp. 72-76

Author(s):

M. Dudnikov ◽

S. Payuk

Keyword(s):

Oil And Gas ◽

Geological Structure ◽

The State ◽

Gas Content ◽

The South ◽

South Eastern ◽

Oil And Gas Fields ◽

Gas Fields

In this article the particularities of geological construction of the south-eastern part of Dniprovsko-Donetsk depression are considered. Within the framework of the article, the state of the geological study and results of the drilling boreholes are considered on Svyatogirska, Slavyanska and Artemivska areas. The further geological explorations will enable to discovered of the new oil and gas fields on this territory.

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Study of the geochemical processes of radionuclides of oil and gas fields

E3S Web of Conferences ◽

10.1051/e3sconf/202017702002 ◽

2020 ◽

Vol 177 ◽

pp. 02002

Author(s):

Tatyana Glushkova ◽

Aleksei Kachkin ◽

Ivan Nejmyshev ◽

Aleksandr Talalaj ◽

Irina Shinkaryuk

Keyword(s):

Oil And Gas ◽

Chemical Elements ◽

Geochemical Processes ◽

Radioactive Elements ◽

Oil And Gas Fields ◽

Measurement Results ◽

Mass Fractions ◽

Neutron Method ◽

The Difference ◽

Gas Fields

The objects of study of the geochemical processes of radionuclides are deposits of the West Siberian Plate, the distribution of radioactive elements in the areas of the Tyumen oil and gas region. In the process of work, the chemical composition of sedimentary rocks was investigated, and the mass fractions of uranium, radium, thorium, potassium, and other chemical elements were determined. Data on the distribution of radionuclides in individual wells and areas were considered, correlation diagrams of geochemical specificity were constructed. To determine the mass fractions of uranium, radium, thorium, potassium, and other chemical elements, gamma spectrometric, neutron activation, X-ray spectral, and laser-luminescent measurements were used. In order to control the measurement results, the determination of uranium in the samples was duplicated using the delayed neutron method in a specialized facility. The accuracy of uranium determination, estimated from independent measurements, was ~ 6.4% (rel.). The radioactive equilibrium is shifted towards uranium, which indicates an increase in the mass fractions of naturally radioactive elements in the raw of sandstones -sandstone-siltstone open pits - siltstones. The increase of the level of natural radioactivity in the direction from sandstones to siltstones is explained by the difference in brittleness between quartz and grains of active accessories, which indicates a stable ratio between radium and uranium in the sandstones-siltstones in relation to the considered areas of the Tyumen region.

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Comparative geological setting of conventional oil and gas fields and CSG resources in the Surat/Bowen Basin, Queensland

The APPEA Journal ◽

10.1071/aj08053 ◽

2009 ◽

Vol 49 (2) ◽

pp. 580

Author(s):

Rob Willink

Keyword(s):

Oil And Gas ◽

Gas Content ◽

Small Contribution ◽

Coal Seams ◽

Reservoir Properties ◽

Oil And Gas Fields ◽

The Difference ◽

Permian Coal ◽

Gas Fields ◽

Coal Measures

The Surat/Bowen Basin has long been of interest to explorers in pursuit of gas and oil in conventional reservoirs. Some 500 BCF of gas and 32 million barrels of oil have been produced from sandstones of Permian, Triassic and Jurassic age. Geochemical evidence suggests that these hydrocarbons were sourced almost exclusively from Permian coal measures, though a small contribution from Triassic coals cannot be discounted. Primary interest in these basins today, however, resides in the exploration for, and commercialisation of, methane trapped in coal seams within the Permian and Jurassic successions. Total industry declared proven, probable and possible (3P) coal seam gas (CSG) reserves exceed 30 TCF, of which some 8 TCF are attributed to reserves in Permian coal seams, and 22 TCF in Jurassic coal seams. With particular reference to a representative regional seismic traverse through the basin, this presentation will explain why known conventional and CSG fields in these basins are located where they are from a regional structural and stratigraphic perspective. The difference between the reservoir properties of coals and sandstones, and between the Permian and Jurassic coals will be discussed in terms of their maceral composition, gas content, adsorption capacity and thermal maturity. In addition, the location of known sweetspots within CSG fairways will be revealed. The presentation will conclude with some speculative comments on what the future holds for both conventional and CSG exploration in these basins and will show that Origin Energy, in particular through its investment with Conoco Phillips in Australian Pacific LNG (APLNG), is well placed to participate in that future.

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