Pub Date : 2023-11-17DOI: 10.31660/0445-0108-2023-5-92-106
A. Rabtsevich
An increase in the share of hard-to-recover oil in the total balance of its reserves, which is particularly important for the Republic of Bashkortostan, inevitably makes it necessary to search for and commercially introduce new ways to extract it. Among the many methods of increasing oil recovery and intensifying the inflow, the method of influencing the bottomhole zone of the formation with a high-frequency electromagnetic field is distinguished, which, despite many years of research, is still considered experimental in Russia and is limited to evaluating the production and technical characteristics of use. At the same time, financial and economic indicators are overlooked, the identification of which will justify the relative low cost and high profitability of the innovative method.The purpose of the study is to determine the feasibility of introducing methods of oil field development based on the use of electromagnetic field energy. The main research methods are the analysis of scientific literature on the research topic, systematization and generalization of specialized state statistics data. The calculation part uses methods of economic analysis and business analytics.The existing technologies for oil field development in the Republic of Bashkortostan are considered, a conclusion is made about their obsolescence and the need to replace them with technologies based on new physical principles. The prospects of electromagnetic technologies and the degree of development of this topic in the scientific environment of Russia and the Republic of Bashkortostan are indicated. With the help of modelling, the economic effect of the introduction of technology for influencing the bottomhole zone of the formation with a high-frequency electromagnetic field has been established, the possibilities of covering the deposits of the Republic of Bashkortostan suitable for development have been determined.The results of the study can be used in the analysis of the prospects of regions with the predominant development of the oil production and oil refining complex, on the territory of which there are large areas of depleted fields that require the use of innovative technologies for additional production. Further research may be devoted to assessing the economic and technological efficiency of using electromagnetic and other innovative technologies for influencing the reservoir directly in fields with different properties of residual oil and geological and geophysical parameters of the host reservoirs.
{"title":"Electromagnetic technologies in the system of oil production innovative methods at the fields of the Republic of Bashkortostan","authors":"A. Rabtsevich","doi":"10.31660/0445-0108-2023-5-92-106","DOIUrl":"https://doi.org/10.31660/0445-0108-2023-5-92-106","url":null,"abstract":"An increase in the share of hard-to-recover oil in the total balance of its reserves, which is particularly important for the Republic of Bashkortostan, inevitably makes it necessary to search for and commercially introduce new ways to extract it. Among the many methods of increasing oil recovery and intensifying the inflow, the method of influencing the bottomhole zone of the formation with a high-frequency electromagnetic field is distinguished, which, despite many years of research, is still considered experimental in Russia and is limited to evaluating the production and technical characteristics of use. At the same time, financial and economic indicators are overlooked, the identification of which will justify the relative low cost and high profitability of the innovative method.The purpose of the study is to determine the feasibility of introducing methods of oil field development based on the use of electromagnetic field energy. The main research methods are the analysis of scientific literature on the research topic, systematization and generalization of specialized state statistics data. The calculation part uses methods of economic analysis and business analytics.The existing technologies for oil field development in the Republic of Bashkortostan are considered, a conclusion is made about their obsolescence and the need to replace them with technologies based on new physical principles. The prospects of electromagnetic technologies and the degree of development of this topic in the scientific environment of Russia and the Republic of Bashkortostan are indicated. With the help of modelling, the economic effect of the introduction of technology for influencing the bottomhole zone of the formation with a high-frequency electromagnetic field has been established, the possibilities of covering the deposits of the Republic of Bashkortostan suitable for development have been determined.The results of the study can be used in the analysis of the prospects of regions with the predominant development of the oil production and oil refining complex, on the territory of which there are large areas of depleted fields that require the use of innovative technologies for additional production. Further research may be devoted to assessing the economic and technological efficiency of using electromagnetic and other innovative technologies for influencing the reservoir directly in fields with different properties of residual oil and geological and geophysical parameters of the host reservoirs.","PeriodicalId":240239,"journal":{"name":"Oil and Gas Studies","volume":"502 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139264345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-17DOI: 10.31660/0445-0108-2023-5-46-54
A. S. Zhilin, O. I. Rebrin, M. A. Malykh, M. S. Pechurin, I. Kovenskiy
Two contact masses were obtained and analyzed for their catalytic properties in the production of hydrophobic coatings. These masses are based on the silicon-copper system and consist of 25%Cu-75%Si and 50%Cu-50%Si compositions. A standard method of copper(I) chloride reduction was optimized to obtain finely dispersed copper particles with high catalytic activity. It is shown that reduction is possible directly in contact with silicon, the resulting average diameter of copper particles is 5-10 microns in both contact masses (25%Cu-75%Si and 50%Cu-50%Si). A metallographic analysis revealed a loose morphology of the silicon-copper phase interfaces, which is necessary to enhance the catalytic activity of the contact masses. Local chemical analysis by scanning electron microscopy has established the ratio of the particle size of the initial polycrystals of copper chloride(I) and the resulting copper particles as a result of reduction on silicon. The process of deep reduction makes it possible to obtain particles up to 5 microns in size. These results provide useful insights into the formulation of coatings containing organosilicon compounds to reduce friction in hydrocarbon transport.
{"title":"Si-Cu contact mass for catalysis in coatings industry for oil and gas pipes","authors":"A. S. Zhilin, O. I. Rebrin, M. A. Malykh, M. S. Pechurin, I. Kovenskiy","doi":"10.31660/0445-0108-2023-5-46-54","DOIUrl":"https://doi.org/10.31660/0445-0108-2023-5-46-54","url":null,"abstract":"Two contact masses were obtained and analyzed for their catalytic properties in the production of hydrophobic coatings. These masses are based on the silicon-copper system and consist of 25%Cu-75%Si and 50%Cu-50%Si compositions. A standard method of copper(I) chloride reduction was optimized to obtain finely dispersed copper particles with high catalytic activity. It is shown that reduction is possible directly in contact with silicon, the resulting average diameter of copper particles is 5-10 microns in both contact masses (25%Cu-75%Si and 50%Cu-50%Si). A metallographic analysis revealed a loose morphology of the silicon-copper phase interfaces, which is necessary to enhance the catalytic activity of the contact masses. Local chemical analysis by scanning electron microscopy has established the ratio of the particle size of the initial polycrystals of copper chloride(I) and the resulting copper particles as a result of reduction on silicon. The process of deep reduction makes it possible to obtain particles up to 5 microns in size. These results provide useful insights into the formulation of coatings containing organosilicon compounds to reduce friction in hydrocarbon transport.","PeriodicalId":240239,"journal":{"name":"Oil and Gas Studies","volume":"25 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139265611","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-17DOI: 10.31660/0445-0108-2023-5-55-66
K. Kadyrzhanov, A. Kozlovskiy, D. Shlimas, G. Z. Moldabaeva
Applying nitride or oxide coatings in the form of thin layers is a method that can enhance steel structures and resilience of oil pipelines against flooding and corrosion. Such coatings have excellent corrosion-resistant properties. The article presents the results of an assessment of the use of both ionic and electronic modifications of nitride coatings (TiN) on stainless steel to enhance its resilience against hydrogenation and degradation processes occurring during the hydrogen accumulation in the surface layer. These processes lead to embrittlement and corrosion of steel. O2+ and N2+ ions with an energy of 20 keV/charge were chosen as ions for modifying the coatings; the irradiation fluences were in the range of 1013-1015 ion/cm2 . Electrons with an energy of 500 keV and radiation doses from 100 to 500 kGy were utilised to carry out the electron modification process. The experimental results indicate that modifying the ionic content contributes to the creation of more dislocation defects in the structure. This accumulation of defects results in improved strength and resistance to cracking. Through electron irradiation, the thermal effect primarily modifies the crystal structure, enhancing both its stability and densification. An analysis of the effect of hydrogenation and corrosion has demonstrated that ionic modification using a fluence of 5 × 1013 ion/cm2 enhances the stability of the coating structure and elevates corrosion potentials.
{"title":"Application of ionic and electronic modification of nitride coatings for protection against corrosion during hydrogen feature","authors":"K. Kadyrzhanov, A. Kozlovskiy, D. Shlimas, G. Z. Moldabaeva","doi":"10.31660/0445-0108-2023-5-55-66","DOIUrl":"https://doi.org/10.31660/0445-0108-2023-5-55-66","url":null,"abstract":"Applying nitride or oxide coatings in the form of thin layers is a method that can enhance steel structures and resilience of oil pipelines against flooding and corrosion. Such coatings have excellent corrosion-resistant properties. The article presents the results of an assessment of the use of both ionic and electronic modifications of nitride coatings (TiN) on stainless steel to enhance its resilience against hydrogenation and degradation processes occurring during the hydrogen accumulation in the surface layer. These processes lead to embrittlement and corrosion of steel. O2+ and N2+ ions with an energy of 20 keV/charge were chosen as ions for modifying the coatings; the irradiation fluences were in the range of 1013-1015 ion/cm2 . Electrons with an energy of 500 keV and radiation doses from 100 to 500 kGy were utilised to carry out the electron modification process. The experimental results indicate that modifying the ionic content contributes to the creation of more dislocation defects in the structure. This accumulation of defects results in improved strength and resistance to cracking. Through electron irradiation, the thermal effect primarily modifies the crystal structure, enhancing both its stability and densification. An analysis of the effect of hydrogenation and corrosion has demonstrated that ionic modification using a fluence of 5 × 1013 ion/cm2 enhances the stability of the coating structure and elevates corrosion potentials.","PeriodicalId":240239,"journal":{"name":"Oil and Gas Studies","volume":"41 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139264027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-16DOI: 10.31660/0445-0108-2023-5-21-33
Alena V. Ilmendeeva, Nikita V. Nosov
During the geological modeling process, it can be problematic to substantiate predicted faults or barriers that are estimated from seismic data and require additional research. However, logging data from horizontal wells (LWD — logging while drilling), whose trajectories intersect predicted seismic faults or hydrodynamic barriers, can be used to validate such barriers.The aim of this study is to substantiate hydrodynamic barriers in several fields in Western Siberia using data from a complex of geophysical surveys conducted while drilling horizontal wells that pass through such barriers. The main research method is azimuthal gamma-gamma density logging and its interpretation to identify hydrodynamic barriers, including tectonic faults, based on the criteria described in A. V. Chashkov's, S. Z. Mutaev's and other scholars' works.This study presents the practical application of the azimuthal gamma-gamma density logging method to substantiate predicted seismic faults, estimated from seismic data and require additional research, using the example of the First field. This model has been examined and accepted by the State Reserves Committee.
{"title":"Detecting hydrodynamic barriers of reservoirs based on drilling of horizontal wells to refine geological models","authors":"Alena V. Ilmendeeva, Nikita V. Nosov","doi":"10.31660/0445-0108-2023-5-21-33","DOIUrl":"https://doi.org/10.31660/0445-0108-2023-5-21-33","url":null,"abstract":"During the geological modeling process, it can be problematic to substantiate predicted faults or barriers that are estimated from seismic data and require additional research. However, logging data from horizontal wells (LWD — logging while drilling), whose trajectories intersect predicted seismic faults or hydrodynamic barriers, can be used to validate such barriers.The aim of this study is to substantiate hydrodynamic barriers in several fields in Western Siberia using data from a complex of geophysical surveys conducted while drilling horizontal wells that pass through such barriers. The main research method is azimuthal gamma-gamma density logging and its interpretation to identify hydrodynamic barriers, including tectonic faults, based on the criteria described in A. V. Chashkov's, S. Z. Mutaev's and other scholars' works.This study presents the practical application of the azimuthal gamma-gamma density logging method to substantiate predicted seismic faults, estimated from seismic data and require additional research, using the example of the First field. This model has been examined and accepted by the State Reserves Committee.","PeriodicalId":240239,"journal":{"name":"Oil and Gas Studies","volume":"11 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139269376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-16DOI: 10.31660/0445-0108-2023-5-11-20
Andrey S. Aleksandrov, V. A. Beshentsev, Aynazhan S. Alzhanova
This article investigates the impact of geothermal water from the Cherkashinskaya No. 36-RG self-injection exploration well on ecosystem watercourses. The well was drilled in 1965 to investigate deposits of iodine-bromine water. This article presents estimations of the acceptable levels of radiation hazard content in the water and near-bottom sediments of gravity-flow hydrogeological wells. The radiation safety of working with these materials for personnel in geological exploration and national economic enterprises is also evaluated. The article provides information on the study of the natural radiation background, as well as results on the natural radioactivity of the bottom sediments and the volumetric radium content of the water. Natural radioactivity in the bottom sediments of potassium (40K) and thorium (232Th) is analyzed in this study. The relevance of this research originates from over fifty years of pollution by highly mineralised iodine-bromine water within the catchment area of one of Western Siberia's largest transboundary rivers, the Irtysh River. The Aremzyanka River is first-order tributary of the Irtysh River, and it receives water from a stream originating from exploration well No. 36-RG.
{"title":"A radiation safety assessment in aquatic ecosystems formed by self-discharging wells: a case study of the watercourse: the well No. 36-RG — a stream — the Aremzyanka River","authors":"Andrey S. Aleksandrov, V. A. Beshentsev, Aynazhan S. Alzhanova","doi":"10.31660/0445-0108-2023-5-11-20","DOIUrl":"https://doi.org/10.31660/0445-0108-2023-5-11-20","url":null,"abstract":"This article investigates the impact of geothermal water from the Cherkashinskaya No. 36-RG self-injection exploration well on ecosystem watercourses. The well was drilled in 1965 to investigate deposits of iodine-bromine water. This article presents estimations of the acceptable levels of radiation hazard content in the water and near-bottom sediments of gravity-flow hydrogeological wells. The radiation safety of working with these materials for personnel in geological exploration and national economic enterprises is also evaluated. The article provides information on the study of the natural radiation background, as well as results on the natural radioactivity of the bottom sediments and the volumetric radium content of the water. Natural radioactivity in the bottom sediments of potassium (40K) and thorium (232Th) is analyzed in this study. The relevance of this research originates from over fifty years of pollution by highly mineralised iodine-bromine water within the catchment area of one of Western Siberia's largest transboundary rivers, the Irtysh River. The Aremzyanka River is first-order tributary of the Irtysh River, and it receives water from a stream originating from exploration well No. 36-RG.","PeriodicalId":240239,"journal":{"name":"Oil and Gas Studies","volume":"33 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139268422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-16DOI: 10.31660/0445-0108-2023-5-34-45
Ludmila V. Shishkanova
The investigation of the permafrost zone situated in the Yamal Peninsula pertains to gasand hydrate-saturated intervals. The avoidance of gas discharge frequently met during well drilling is of utmost importance. The allocation of permafrost rocks governs the quest for novel approaches to analyze the geocryological situation of the locale, together with ascertaining the principal regularities of the zone structure, ascertained via geological and geophysical investigations, analysis of well drilling data, and seismic assessments.The investigation of the permafrost zone plays a crucial role in well drilling to prevent various types of complications. Moreover, the interpretation of geophysical survey data in combination with drilling and seismic data allows us to construct a model of the zone's lateral spread.Carrying out geophysical methods helps to prevent, to some extent, and also prevent possible emergency situations. A fairly large fund of geophysical material has been reviewed, and a complex of studies in the permafrost zone of the Yamal Peninsula in many fields has been analyzed.Following these studies, this article presents the primary geophysical survey material interpretation techniques with highlighted criteria for identifying different permafrost conditions in rocks.
{"title":"Investigation of the permafrost zone by geophysical techniques and determination of primary categorisations of permafrost conditions in rocks","authors":"Ludmila V. Shishkanova","doi":"10.31660/0445-0108-2023-5-34-45","DOIUrl":"https://doi.org/10.31660/0445-0108-2023-5-34-45","url":null,"abstract":"The investigation of the permafrost zone situated in the Yamal Peninsula pertains to gasand hydrate-saturated intervals. The avoidance of gas discharge frequently met during well drilling is of utmost importance. The allocation of permafrost rocks governs the quest for novel approaches to analyze the geocryological situation of the locale, together with ascertaining the principal regularities of the zone structure, ascertained via geological and geophysical investigations, analysis of well drilling data, and seismic assessments.The investigation of the permafrost zone plays a crucial role in well drilling to prevent various types of complications. Moreover, the interpretation of geophysical survey data in combination with drilling and seismic data allows us to construct a model of the zone's lateral spread.Carrying out geophysical methods helps to prevent, to some extent, and also prevent possible emergency situations. A fairly large fund of geophysical material has been reviewed, and a complex of studies in the permafrost zone of the Yamal Peninsula in many fields has been analyzed.Following these studies, this article presents the primary geophysical survey material interpretation techniques with highlighted criteria for identifying different permafrost conditions in rocks.","PeriodicalId":240239,"journal":{"name":"Oil and Gas Studies","volume":"57 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139268755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-07-15DOI: 10.31660/0445-0108-2023-3-95-106
V. M. Yanchuk, A. S. Kuzbozhev, I. V. Shishkin, I. Birillo, P. A. Kuzbozhev
The article considers options to reduce heat losses accompanying the process of pipeline transportation of natural gas through long branch pipelines. Computational modeling of the gas cooling process in an extended off-take gas pipeline connecting the main gas pipeline and the gas distribution station has been performed. It is shown that when the length of the gas branch pipeline is long, especially in conditions of reduced flow, the gas temperature at the inlet of the gas distribution station will correspond to the ground temperature. We have developed and substantiated options to reduce the intensity of gas cooling in the off-take gas pipeline, involving an increase in its depth, the use of thermal insulation coatings, as well as the regulation of pressure at the inlet using special technical means. The calculation justification of the technical solution, which involves regulating the pressure at the inlet to the gas pipeline outlet, is performed. The results can be used by gas transportation companies. The implementation of the developed solutions to reduce heat losses will reduce the consumption of energy used for gas heating at gas distribution stations and reduce emissions of combustion products.
{"title":"Methods to reduce heat losses when transporting gas through long branch pipelines","authors":"V. M. Yanchuk, A. S. Kuzbozhev, I. V. Shishkin, I. Birillo, P. A. Kuzbozhev","doi":"10.31660/0445-0108-2023-3-95-106","DOIUrl":"https://doi.org/10.31660/0445-0108-2023-3-95-106","url":null,"abstract":"The article considers options to reduce heat losses accompanying the process of pipeline transportation of natural gas through long branch pipelines. Computational modeling of the gas cooling process in an extended off-take gas pipeline connecting the main gas pipeline and the gas distribution station has been performed. It is shown that when the length of the gas branch pipeline is long, especially in conditions of reduced flow, the gas temperature at the inlet of the gas distribution station will correspond to the ground temperature. We have developed and substantiated options to reduce the intensity of gas cooling in the off-take gas pipeline, involving an increase in its depth, the use of thermal insulation coatings, as well as the regulation of pressure at the inlet using special technical means. The calculation justification of the technical solution, which involves regulating the pressure at the inlet to the gas pipeline outlet, is performed. The results can be used by gas transportation companies. The implementation of the developed solutions to reduce heat losses will reduce the consumption of energy used for gas heating at gas distribution stations and reduce emissions of combustion products.","PeriodicalId":240239,"journal":{"name":"Oil and Gas Studies","volume":"75 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139359091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-07-15DOI: 10.31660/0445-0108-2023-3-68-83
D. V. Shalyapin, D. L. Bakirov, V. G. Kuznetsov
The article presents the process of forming measures based on digital technologies to improve the quality of well cementing at the fields of Western Siberia. The problem associated with the low quality of input information due to the use of several independent sources was identified and solved. The economic efficiency of the developed methods for reducing the labour costs of data collection for modelling using machine learning algorithms is demonstrated. If the solutions developed are implemented, there is a prospect of reducing the cost of repair and insulation work. Key information is provided about the hypotheses generated and their objectives. The authors of the article describe the method of using various mathematical algorithms to analyze the results of industrial experimental work. The efficiency of the developed solutions is evaluated by comparing the results of cementing experimental wells and wells built using the basic technology. The dynamics of cement quality growth in the fields of Western Siberia are summarised as a general result. As a result of the experience gained, the solutions have been adapted and are in the process of being re-implemented in order to make a final assessment of their effectiveness.
{"title":"An evaluation of the effectiveness of implementing technological solutions based on digital technologies to improve well casing quality","authors":"D. V. Shalyapin, D. L. Bakirov, V. G. Kuznetsov","doi":"10.31660/0445-0108-2023-3-68-83","DOIUrl":"https://doi.org/10.31660/0445-0108-2023-3-68-83","url":null,"abstract":"The article presents the process of forming measures based on digital technologies to improve the quality of well cementing at the fields of Western Siberia. The problem associated with the low quality of input information due to the use of several independent sources was identified and solved. The economic efficiency of the developed methods for reducing the labour costs of data collection for modelling using machine learning algorithms is demonstrated. If the solutions developed are implemented, there is a prospect of reducing the cost of repair and insulation work. Key information is provided about the hypotheses generated and their objectives. The authors of the article describe the method of using various mathematical algorithms to analyze the results of industrial experimental work. The efficiency of the developed solutions is evaluated by comparing the results of cementing experimental wells and wells built using the basic technology. The dynamics of cement quality growth in the fields of Western Siberia are summarised as a general result. As a result of the experience gained, the solutions have been adapted and are in the process of being re-implemented in order to make a final assessment of their effectiveness.","PeriodicalId":240239,"journal":{"name":"Oil and Gas Studies","volume":"39 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139358994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-07-15DOI: 10.31660/0445-0108-2023-3-107-109
A. Editorial
.
.
{"title":"In memory of V. V. Saltykov, an outstanding production organizer, scientist, teacher, mentor (30.01.1951 — 02.06.2023)","authors":"A. Editorial","doi":"10.31660/0445-0108-2023-3-107-109","DOIUrl":"https://doi.org/10.31660/0445-0108-2023-3-107-109","url":null,"abstract":"<jats:p>.</jats:p>","PeriodicalId":240239,"journal":{"name":"Oil and Gas Studies","volume":"175 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139359127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-07-15DOI: 10.31660/0445-0108-2023-3-84-94
D. Cherentsov, S. Pirogov
Under certain conditions, above-ground sections of pipelines are subject to vibration. Increasing the vibration amplitudes beyond the limits can cause the object to fail. In order to assess the vibration resistance of pipelines and to find the most effective ways of detuning from the resonant frequencies of disturbances, it is necessary to determine the natural frequencies of oscillations and the characteristics of the oscillation processes. The authors of the article developed a mathematical model to determine the frequency of free vibrations of above-ground pipeline sections, taking into account the influence of internal pressure and the velocity of the pumped fluid. As a result, a numerical solution based on the Bubnov-Galerkin method was obtained and a sufficient number of series elements in the approximate solution was determined. The authors performed numerical experiments. These showed that the frequencies should be determined for each section under specific conditions according to the pumping mode.
{"title":"Determination of the natural frequencies of the above-ground sections of pipelines transporting an incompressible fluid","authors":"D. Cherentsov, S. Pirogov","doi":"10.31660/0445-0108-2023-3-84-94","DOIUrl":"https://doi.org/10.31660/0445-0108-2023-3-84-94","url":null,"abstract":"Under certain conditions, above-ground sections of pipelines are subject to vibration. Increasing the vibration amplitudes beyond the limits can cause the object to fail. In order to assess the vibration resistance of pipelines and to find the most effective ways of detuning from the resonant frequencies of disturbances, it is necessary to determine the natural frequencies of oscillations and the characteristics of the oscillation processes. The authors of the article developed a mathematical model to determine the frequency of free vibrations of above-ground pipeline sections, taking into account the influence of internal pressure and the velocity of the pumped fluid. As a result, a numerical solution based on the Bubnov-Galerkin method was obtained and a sufficient number of series elements in the approximate solution was determined. The authors performed numerical experiments. These showed that the frequencies should be determined for each section under specific conditions according to the pumping mode.","PeriodicalId":240239,"journal":{"name":"Oil and Gas Studies","volume":"78 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139359079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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