The demand for hydrocarbons has grown substantially over the past decades and continues to do so. Thus, according to OPEC, the oil demand is expected to increase by 16.4 million barrels per day up to 2040, whereby, if in 2021 the daily hydrocarbon consumption was 99.2 mln barrels per day, by 2040 this figure will rise to 109.4 mln barrels per day. Researchers are of course trying to cope with the increasing demand for hydrocarbon energy carriers year on year by using increasingly innovative exploitation and development techniques. However, despite the prospects of these technologies, they do not entirely solve the problem. In this respect, improving the efficiency of heavy oil field development is the more realistic alternative. Today the most actual methods of heavy oil field development are the technologies aimed at in-situ modification of physical and chemical properties of oil. However, these methods still have a number of drawbacks that impede their wide commercial application. Keywords: heavy oil; enhanced oil recovery; in-situ combustion; thermal EOR; catalytic EOR.
{"title":"Enhanced oil recovery method for highly viscous oil reservoirs based on in-situ modification of physico-chemical properties","authors":"Elchin F. Veliyev, V. M. Askerov, Azizagha Aliyev","doi":"10.5510/ogp2022si200764","DOIUrl":"https://doi.org/10.5510/ogp2022si200764","url":null,"abstract":"The demand for hydrocarbons has grown substantially over the past decades and continues to do so. Thus, according to OPEC, the oil demand is expected to increase by 16.4 million barrels per day up to 2040, whereby, if in 2021 the daily hydrocarbon consumption was 99.2 mln barrels per day, by 2040 this figure will rise to 109.4 mln barrels per day. Researchers are of course trying to cope with the increasing demand for hydrocarbon energy carriers year on year by using increasingly innovative exploitation and development techniques. However, despite the prospects of these technologies, they do not entirely solve the problem. In this respect, improving the efficiency of heavy oil field development is the more realistic alternative. Today the most actual methods of heavy oil field development are the technologies aimed at in-situ modification of physical and chemical properties of oil. However, these methods still have a number of drawbacks that impede their wide commercial application. Keywords: heavy oil; enhanced oil recovery; in-situ combustion; thermal EOR; catalytic EOR.","PeriodicalId":43516,"journal":{"name":"SOCAR Proceedings","volume":"30 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2022-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73881493","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}
During the operation of producing oil and gas wells, oil from formations is extracted together with water. In the case of a significant water cut in a well it is economically feasible and technologically necessary to carry out geological and technical actions (GTA) with the aim to reduce the water cut - repair and isolation works (RIW). Designing actions for RIW is associated with a analysis of the reasons of increase of water cut and the development of methods for eliminating the identified problem. The use of expert systems makes it possible to implement an integrated approach to the design of actions for RIW with a choice of necessary compositions, and designs of works, taking into different processes. Keywords: expert system; repair and insulation works; optimization; design.
{"title":"Applied implementation of digital expert systems in the process of planning and designing repair and insulation works in oil wells","authors":"R. V. Kaslivtsev, M. A. Kochekov, B. R. Vakhitov","doi":"10.5510/ogp2022si200758","DOIUrl":"https://doi.org/10.5510/ogp2022si200758","url":null,"abstract":"During the operation of producing oil and gas wells, oil from formations is extracted together with water. In the case of a significant water cut in a well it is economically feasible and technologically necessary to carry out geological and technical actions (GTA) with the aim to reduce the water cut - repair and isolation works (RIW). Designing actions for RIW is associated with a analysis of the reasons of increase of water cut and the development of methods for eliminating the identified problem. The use of expert systems makes it possible to implement an integrated approach to the design of actions for RIW with a choice of necessary compositions, and designs of works, taking into different processes. Keywords: expert system; repair and insulation works; optimization; design.","PeriodicalId":43516,"journal":{"name":"SOCAR Proceedings","volume":"102 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2022-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73629506","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}
A method has been developed for isolating water inflow into a well based on the injection of a thermoactive mixture of solutions of a gel-forming initiator and a gelling agent. The method allows to control the isolation process by regulating the gel-forming time by means of temperature and delivering the mixture to a given formation depth. To ensure mixing of the components of the composition in full and to prevent the formation of sediment, before injection, a solution of a gelling agent is added into the solution of the gel-forming initiator. It is possible to mix the components of the mixture directly in the wellbore by successively pumping solutions of the gel-forming initiator and the gelling agent. The results of oil sweeping experiments showed that the developed technology for isolating water inflow based on the use of a thermoactive gel-forming mixture significantly exceeds the known compositions in terms of technological efficiency. After applying the proposed technology, zones with increased oil saturation are involved in the development, there is also a decrease in the volume of produced water, and the profitability of production increases. Keywords: water inflow isolation; gelling agent; gel-forming initiator; thermoactivity; sweeping ratio; technological efficiency.
{"title":"Isolation of water inflow into the well with a thermosetting gel-forming","authors":"B. Suleimanov, А. Q. Gurbanov, S. Tapdiqov","doi":"10.5510/ogp20220400779","DOIUrl":"https://doi.org/10.5510/ogp20220400779","url":null,"abstract":"A method has been developed for isolating water inflow into a well based on the injection of a thermoactive mixture of solutions of a gel-forming initiator and a gelling agent. The method allows to control the isolation process by regulating the gel-forming time by means of temperature and delivering the mixture to a given formation depth. To ensure mixing of the components of the composition in full and to prevent the formation of sediment, before injection, a solution of a gelling agent is added into the solution of the gel-forming initiator. It is possible to mix the components of the mixture directly in the wellbore by successively pumping solutions of the gel-forming initiator and the gelling agent. The results of oil sweeping experiments showed that the developed technology for isolating water inflow based on the use of a thermoactive gel-forming mixture significantly exceeds the known compositions in terms of technological efficiency. After applying the proposed technology, zones with increased oil saturation are involved in the development, there is also a decrease in the volume of produced water, and the profitability of production increases. Keywords: water inflow isolation; gelling agent; gel-forming initiator; thermoactivity; sweeping ratio; technological efficiency.","PeriodicalId":43516,"journal":{"name":"SOCAR Proceedings","volume":"38 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2022-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74190088","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}
V. Mukhametshin, V. A. Shaidullin, S. Sultanov, L. Kuleshova, R. F. Yakupov
Based on the results of physical modeling of the effect of the applied jamming fluids on the filtration-capacitance properties of rock samples in a water-saturated porous medium, it is shown that the recovery coefficient of the core sample of the development object after filtering the jamming fluid of some core samples was less than 90%. Based on analytical calculations by the method of J.E. Oddo and M.B. Thomson's analysis of the mixing processes used in the process of silencing waters on the compatibility and degree of salt deposition revealed that when mixing reservoir water and water of the silencing fluid under reservoir conditions at T = 30 °C and P = 7 MРa, the precipitation of non-organic salts of calcite CaCO3 with a sediment mass in the range of 0.39-0.77 g is predicted/l and CaSO4 anhydrite – 0.01-0.03 g/l. Experimental studies on the hydrodynamic modeling of the process of pumping silencing fluids based on potassium chloride and determining the degree of change in filtration characteristics have shown an increase in the coefficient of recovery of acceptance. Keywords: silencing fluid; filtration experiment; modeling; permeability coefficient; calcite salt deposition; reservoir water compatibility.
应用干扰液对饱和水多孔介质中岩样滤过电容特性影响的物理模拟结果表明，开发对象岩样滤过部分岩样的干扰液后，采收率小于90%。根据分析计算的方法J.E.奥多和M.B.汤姆森的分析使用的混合过程的过程中沉默水域的兼容性和程度的盐沉积透露,当沉默的水库水和水混合流体在储层条件下在T = 30°C和P = 7 MР,方解石的非有机盐的沉淀碳酸钙沉积物质量在预计的范围0.39 - -0.77 g / l及硫酸钙硬石膏- 0.01 - -0.03 g / l。基于氯化钾泵送消声液过程的流体动力学建模和过滤特性变化程度的测定实验研究表明，可接受回收率系数有所提高。关键词:消音液;过滤实验;建模;渗透系数;方解石盐沉积;水库水相容性。
{"title":"Assessment of the effect of silencing fluids on filtration and capacitance properties of productive deposits based on laboratory studies of core samples","authors":"V. Mukhametshin, V. A. Shaidullin, S. Sultanov, L. Kuleshova, R. F. Yakupov","doi":"10.5510/ogp20220400787","DOIUrl":"https://doi.org/10.5510/ogp20220400787","url":null,"abstract":"Based on the results of physical modeling of the effect of the applied jamming fluids on the filtration-capacitance properties of rock samples in a water-saturated porous medium, it is shown that the recovery coefficient of the core sample of the development object after filtering the jamming fluid of some core samples was less than 90%. Based on analytical calculations by the method of J.E. Oddo and M.B. Thomson's analysis of the mixing processes used in the process of silencing waters on the compatibility and degree of salt deposition revealed that when mixing reservoir water and water of the silencing fluid under reservoir conditions at T = 30 °C and P = 7 MРa, the precipitation of non-organic salts of calcite CaCO3 with a sediment mass in the range of 0.39-0.77 g is predicted/l and CaSO4 anhydrite – 0.01-0.03 g/l. Experimental studies on the hydrodynamic modeling of the process of pumping silencing fluids based on potassium chloride and determining the degree of change in filtration characteristics have shown an increase in the coefficient of recovery of acceptance. Keywords: silencing fluid; filtration experiment; modeling; permeability coefficient; calcite salt deposition; reservoir water compatibility.","PeriodicalId":43516,"journal":{"name":"SOCAR Proceedings","volume":"6 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2022-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75248981","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}
The study presents an approach to creating a simulation model of a complex reservoir based on the integration of multi-scale studies that make it possible to understand the alternation of different types of reservoirs along the lateral and vertical. For various types of reservoir, petrophysical dependences of permeability on porosity were built, which became the basis for the original permeability array of the model. The refined permeability array made it possible to significantly improve the history matching to the actual data after the first iteration. In this research, an array of Voronoi polygons was built, which allowed further targeted modification of petrotypes in the area of wells, taking into account the actual dynamics of well rates. Based on the results of calculations, by local modifications, the cumulative oil and liquid production were matched. Proposed approach of fissures distribution made it possible to reduce the degree of uncertainty of filtration parameters during history matching of the model to actual development data and increase the reliability of forecast calculations. Keywords: carbonate reservoir; reservoir simulation modeling; permeability fracturing; reservoir properties.
{"title":"Creation a permeability array for simulation model of a complex carbonate reservoir with zonal heterogeneity","authors":"D. A. Beltyukov, A. Kochnev, S. Galkin","doi":"10.5510/ogp2022si200747","DOIUrl":"https://doi.org/10.5510/ogp2022si200747","url":null,"abstract":"The study presents an approach to creating a simulation model of a complex reservoir based on the integration of multi-scale studies that make it possible to understand the alternation of different types of reservoirs along the lateral and vertical. For various types of reservoir, petrophysical dependences of permeability on porosity were built, which became the basis for the original permeability array of the model. The refined permeability array made it possible to significantly improve the history matching to the actual data after the first iteration. In this research, an array of Voronoi polygons was built, which allowed further targeted modification of petrotypes in the area of wells, taking into account the actual dynamics of well rates. Based on the results of calculations, by local modifications, the cumulative oil and liquid production were matched. Proposed approach of fissures distribution made it possible to reduce the degree of uncertainty of filtration parameters during history matching of the model to actual development data and increase the reliability of forecast calculations. Keywords: carbonate reservoir; reservoir simulation modeling; permeability fracturing; reservoir properties.","PeriodicalId":43516,"journal":{"name":"SOCAR Proceedings","volume":"20 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2022-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73875548","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}
C. A. Garifullina, I. Indrupskiy, I. Ibragimov, A. Drozdov
Results of summarizing literature review of cost evaluation for existing carbon dioxide utilization technologies are presented. Cost analysis for process components of CO2 utilization on iron-containing fillers with generation of environmental friendly energy sources has been performed. The ways for cost reduction are determined. The gross cost evaluation of the potential technology for CO2 utilization with generation of hydrogen and hydrocarbons is carried out. The conclusions about expediency of the potential technology are formulated, and further research directions are suggested. Keywords: carbon dioxide utilization; production cost; feasibility study; environmental friendly energy sources.
{"title":"Cost evaluation of potential technology for CO2 utilization with green energy sources generation compared to existing utilization technologies","authors":"C. A. Garifullina, I. Indrupskiy, I. Ibragimov, A. Drozdov","doi":"10.5510/ogp2022si200741","DOIUrl":"https://doi.org/10.5510/ogp2022si200741","url":null,"abstract":"Results of summarizing literature review of cost evaluation for existing carbon dioxide utilization technologies are presented. Cost analysis for process components of CO2 utilization on iron-containing fillers with generation of environmental friendly energy sources has been performed. The ways for cost reduction are determined. The gross cost evaluation of the potential technology for CO2 utilization with generation of hydrogen and hydrocarbons is carried out. The conclusions about expediency of the potential technology are formulated, and further research directions are suggested. Keywords: carbon dioxide utilization; production cost; feasibility study; environmental friendly energy sources.","PeriodicalId":43516,"journal":{"name":"SOCAR Proceedings","volume":"330 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2022-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76368173","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}
Implementation of SWAG injection by means of injection of a water-gas mixture is a promising method for increasing oil recovery. The use of associated petroleum gas as gas components in the water-gas mixture allows a multiple reduction in the amount of irrationally consumed gas and a reduction in the carbon footprint. This article uses the technology of multi-stage ejector reproduction to obtain and pump a water-gas mixture in plastic. The right choice of equipment allows you to operate the system with maximum efficiency. The article presents a schematic diagram of the SWAG installation. The effect of the working pressure on the efficiency of the ejector has been studied. Dependences of pressure-energy characteristics are obtained. Keywords: water-gas mixture; pumping-ejector system; SWAG technology; liquid-gas ejector; pressure-energy characteristics of ejectors.
{"title":"Investigation of the ejector`s characteristics for the system of injection of water-gas mixtures into the reservoir","authors":"A. Drozdov, E. Gorelkina","doi":"10.5510/ogp2022si200736","DOIUrl":"https://doi.org/10.5510/ogp2022si200736","url":null,"abstract":"Implementation of SWAG injection by means of injection of a water-gas mixture is a promising method for increasing oil recovery. The use of associated petroleum gas as gas components in the water-gas mixture allows a multiple reduction in the amount of irrationally consumed gas and a reduction in the carbon footprint. This article uses the technology of multi-stage ejector reproduction to obtain and pump a water-gas mixture in plastic. The right choice of equipment allows you to operate the system with maximum efficiency. The article presents a schematic diagram of the SWAG installation. The effect of the working pressure on the efficiency of the ejector has been studied. Dependences of pressure-energy characteristics are obtained. Keywords: water-gas mixture; pumping-ejector system; SWAG technology; liquid-gas ejector; pressure-energy characteristics of ejectors.","PeriodicalId":43516,"journal":{"name":"SOCAR Proceedings","volume":"28 12 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2022-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85438422","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}
E. Bogdan, R. Kamalova, A. Suleymanov, L. Belan, I. Tuktarova
Changes in key climate index affect ecosystems and biodiversity. In this regard, the assessment of the climatic conditions is of particular relevance. This study presents the results of an analysis of climate change and digital mapping of soil temperature in the Yangan-Tau UNESCO Global Geopark (Russia). The steady increase in air temperature was revealed, which causes an increase in the sum of active temperatures and the duration of the warm period of the year. Annual total precipitation during 1966-2020 changed the sign of the trend: positive trend (increase in precipitation) in 1966-1990, while in 1991-2020 is negative. The hydrothermal indicators determined the increase in aridity during the warm period. Based on the analysis of changes in the climatic conditions of the geopark, a comparison was made of the temperature regimes of air and soil, and the relationship between these indicators in the snow-free period was revealed (R2 = 0.62). An approach is presented for digital mapping of the temperature regime of the surface layer of soils based on ground-based research data and the results of interpretation of the Landsat thermal bands. A significant relationship between soil temperature and Earth surface temperature for the snow-free period was revealed (R2 = 0.83). Based on the obtained regression model and Landsat 8-9 data for the snow-free period of 2013-2022 the map of the distribution of average temperatures of the surface layer of soil from May to October was produced, which clearly demonstrated the relationship between soil temperature and biomes. Keywords: soil temperature; surface land temperature; remote methods; climate change; Yangan-Tau UNESCO global geopark; Bashkortostan.
{"title":"Changing climatic indicators and mapping of soil temperature using Landsat data in the Yangan-Tau UNESCO global geopark","authors":"E. Bogdan, R. Kamalova, A. Suleymanov, L. Belan, I. Tuktarova","doi":"10.5510/ogp2022si200768","DOIUrl":"https://doi.org/10.5510/ogp2022si200768","url":null,"abstract":"Changes in key climate index affect ecosystems and biodiversity. In this regard, the assessment of the climatic conditions is of particular relevance. This study presents the results of an analysis of climate change and digital mapping of soil temperature in the Yangan-Tau UNESCO Global Geopark (Russia). The steady increase in air temperature was revealed, which causes an increase in the sum of active temperatures and the duration of the warm period of the year. Annual total precipitation during 1966-2020 changed the sign of the trend: positive trend (increase in precipitation) in 1966-1990, while in 1991-2020 is negative. The hydrothermal indicators determined the increase in aridity during the warm period. Based on the analysis of changes in the climatic conditions of the geopark, a comparison was made of the temperature regimes of air and soil, and the relationship between these indicators in the snow-free period was revealed (R2 = 0.62). An approach is presented for digital mapping of the temperature regime of the surface layer of soils based on ground-based research data and the results of interpretation of the Landsat thermal bands. A significant relationship between soil temperature and Earth surface temperature for the snow-free period was revealed (R2 = 0.83). Based on the obtained regression model and Landsat 8-9 data for the snow-free period of 2013-2022 the map of the distribution of average temperatures of the surface layer of soil from May to October was produced, which clearly demonstrated the relationship between soil temperature and biomes. Keywords: soil temperature; surface land temperature; remote methods; climate change; Yangan-Tau UNESCO global geopark; Bashkortostan.","PeriodicalId":43516,"journal":{"name":"SOCAR Proceedings","volume":"1 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2022-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90523810","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}
Determination of the optimal parameters of a three-phase two-stroke electromagnetic vibrometer of low-frequency mechanical vibrations based on a theoretical-chain model has been considered. Dependences of output power and performance coefficient are obtained to ensure effective vibration impact on heavy objects. The results obtained can be used in the optimal design of the vibrator design. Keywords: electromagnetic vibration; efficiency; circuittheoretic model; output power; vibration exciter.
{"title":"Performance coefficient and determination of the output parameters of a three-phase two-stroke electromagnetic vibrometer","authors":"R. A. Yusifov","doi":"10.5510/ogp2022si200731","DOIUrl":"https://doi.org/10.5510/ogp2022si200731","url":null,"abstract":"Determination of the optimal parameters of a three-phase two-stroke electromagnetic vibrometer of low-frequency mechanical vibrations based on a theoretical-chain model has been considered. Dependences of output power and performance coefficient are obtained to ensure effective vibration impact on heavy objects. The results obtained can be used in the optimal design of the vibrator design. Keywords: electromagnetic vibration; efficiency; circuittheoretic model; output power; vibration exciter.","PeriodicalId":43516,"journal":{"name":"SOCAR Proceedings","volume":"32 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2022-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87724180","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}
The issues of reducing losses of aviation kerosene during its pumping in systems of centralized refueling of aircraft with fuel, in which pipes and equipment of collapsible pipelines are used, are considered. Comparative data on possible leaks through the sealing units of pipe joints with MPT couplings and welded joints are shown. A technique for determining the parameters and the number of U-shaped compensators for unloading from thermal stresses of straight horizontal sections of collapsible pipelines kits connected by welding is presented. Modeling was carried out to establish the influence of various initial data on temperature deformations and the compensating ability of U-shaped expansion joints. Dependences have been obtained to determine the compensating capacity of U-shaped expansion joints without preliminary stretching (compression) by half of the longitudinal deformation, depending on the length of the overhang and the width of the flange for pipelines PST-100 and PST-150M. Keywords: collapsible pipelines; centralized refueling of aircraft; temperature deformation of pipelines; U-shaped compensator; allowable deformation of the compensator.
{"title":"Reducing accidental losses of aviation kerosene in simplified aircraft central fueling systems","authors":"D. Drozdov, E. I. Gorelkina","doi":"10.5510/ogp2022si200735","DOIUrl":"https://doi.org/10.5510/ogp2022si200735","url":null,"abstract":"The issues of reducing losses of aviation kerosene during its pumping in systems of centralized refueling of aircraft with fuel, in which pipes and equipment of collapsible pipelines are used, are considered. Comparative data on possible leaks through the sealing units of pipe joints with MPT couplings and welded joints are shown. A technique for determining the parameters and the number of U-shaped compensators for unloading from thermal stresses of straight horizontal sections of collapsible pipelines kits connected by welding is presented. Modeling was carried out to establish the influence of various initial data on temperature deformations and the compensating ability of U-shaped expansion joints. Dependences have been obtained to determine the compensating capacity of U-shaped expansion joints without preliminary stretching (compression) by half of the longitudinal deformation, depending on the length of the overhang and the width of the flange for pipelines PST-100 and PST-150M. Keywords: collapsible pipelines; centralized refueling of aircraft; temperature deformation of pipelines; U-shaped compensator; allowable deformation of the compensator.","PeriodicalId":43516,"journal":{"name":"SOCAR Proceedings","volume":"6 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2022-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84724798","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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