Academic literature on the topic 'Thermobaric chemical effect'
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Journal articles on the topic "Thermobaric chemical effect"
Serovaiskii, Aleksandr, and Vladimir Kutcherov. "The Role of Iron Carbide in the Abyssal Formation of Hydrocarbons in the Upper Mantle." Geosciences 11, no. 4 (April 2, 2021): 163. http://dx.doi.org/10.3390/geosciences11040163.
Full textMaksymova, Ella, Mykola Ovchynnikov, Roman Lysenko, and Svitlana Kostrytska. "Physical and Chemical Methods of Methane Utilization in Ukrainian Coal Mines." Solid State Phenomena 277 (June 2018): 147–56. http://dx.doi.org/10.4028/www.scientific.net/ssp.277.147.
Full textHarris, Peter W., and Bernadette K. McCabe. "Process Optimisation of Anaerobic Digestion Treating High-Strength Wastewater in the Australian Red Meat Processing Industry." Applied Sciences 10, no. 21 (November 9, 2020): 7947. http://dx.doi.org/10.3390/app10217947.
Full textYan, Qi-Long, Waldemar A. Trzciński, Stanisław Cudziło, Józef Paszula, Trană Eugen, Matache Liviu, Rotariu Traian, and Michael Gozin. "Thermobaric effects formed by aluminum foils enveloping cylindrical charges." Combustion and Flame 166 (April 2016): 148–57. http://dx.doi.org/10.1016/j.combustflame.2016.01.010.
Full textTürker, Lemi. "Destructive Effect of Zinc on TEX - A DFT Treatment." Earthline Journal of Chemical Sciences, November 5, 2019, 1–15. http://dx.doi.org/10.34198/ejcs.3120.115.
Full textDissertations / Theses on the topic "Thermobaric chemical effect"
Велігоцький, Дмитро Олексійович. "Підвищення ефективності хіміко-технологічного процесу комплексної водневої термобарохімічної технології інтенсифікації видобутку вуглеводнів." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2020. http://repository.kpi.kharkov.ua/handle/KhPI-Press/46018.
Full textThe thesis for scientific Degree of the Candidate of Technical Sciences in the specialty 05.17.08 – Processes & Equipment of Chemical Technology (16 – Сhemical and bioengineering). – National Technical University "Kharkiv Polytechnic Institute", Ministry of Education and Science of Ukraine, Kharkiv, 2020. Analysis of modern technologies for increasing the production of hydrocarbons has shown that the most effective and promising techniques are those that have an integral effect on the production horizon by combining effective thermal, chemical and mechanical actions. One of the most promising technologies with an integral effect on the reservoir is that of complex hydrogen thermobaric-chemical effect (CHTBCE). Its chemical-technological process (CTP) is based on the effect of hydrogen activation of the processes of diffusion and fluid filtration in the rock porous medium of the production horizon during the complex exothermal reaction in the well. The objective of the dissertation is to improve the effectiveness of the IHTBCA chemical-technological process, in particular, its hydrogen stages by using physical and mathematical simulation. An experimental complex was developed to study the kinetics of thermobaric processes, and for physical simulation of the integral action, including the hydrogen one, on the alteration of rock porosity-permeability properties. The complex recreates the technological features of the chemical-technological process of the CHTBCE technology. The complex ensures its flow in conditions most closely approximating actual reservoir ones. It helps study not only the kinetics of the complex heterogeneous chemical reaction during CTP flow, but also allows determining the thermobaric and chemical effect of liquid and gaseous products of the reactions of combustible-oxidation compositions and hydroreacting substances (COC-HRS), including hydrogen, on the change of the filtration properties of rock core samples. A technique was developed for experimental research into CTP kinetics. It is based on mixing two process fluids in sequence in a reactor, and measuring and registering the basic parameters of the thermobaric-chemical process to recreate it most closely to the actual one in the well. Analysis of the experimental graphs of the key kinetic parameters of the CTP created by the process fluids with the basic chemical composition demonstrated the ineffectiveness of the CTP’s hydrogen stages and the need to conduct follow-up research to solve this problem. Techniques were suggested for influencing the character of the flow of the multistage CTP thermobaric-chemical action, in particular, its hydrogen stages. The continuance of the low-temperature stage was achieved by using a mixture of up to 50 % of passivated granules of the total amount of ammonium nitrate in the base COC-HRS system. The main types of fast-reacting HRS based on alkali metals, aluminium and sodium were determined. With account of the high chemical activity of these HRS, methods were suggested and developed for their practical application with the use of protective sheaths. Experiments confirmed that adding hydroreacting substances based on aluminium and sodium to basic process fluids produces hydrogen at the low-temperature stage of the process. This hydrogen acts as an activator of diffusion and filtration of the fluid in the rock. Using 0,7-0,95 % of polymer nitrile paracyanogen synthesised by a refined technology as an activator of the combustion process increases the temperature and duration of the flow of the high-temperature CTP stage to a level at which, with the presence of activated hydrogen, partial hydrocracking of heavy hydrocarbons occurs directly in the reservoir. A process line was restored for synthesis of paracyanogen from oxamide. Parameters of its synthesis were found that ensure the improvement of the chemical purity and specific amount of the final product. The synthesis process regulations were refined. A CTP effectiveness assessment method was developed. It is based on determining the impact of CHTBCE technologies with different CTP flow on the recovery of porosity and permeability properties of colmataged natural rock core samples. This method helps determine the most effective chemical-technological process for usage in wells whose productivity has dropped due to different reasons. In conditions close to reservoir ones, the experimental complex developed was used to treat core samples, preliminarily colmataged with a decompositionresistant water-petroleum emulsion, with liquid and gaseous reaction products formed in the reactor with different CTP flow profiles. Experiments established that the CHTBCE CTP, with activation by the polymer nitrile paracyanogen and HRS based on aluminium and sodium, is most effective because the return permeability of the treated core for the specific CTP was 1,05. This is indicative not only of permeability recovery, but also of its increase as compared to the initial one. The developed methods and techniques can be used for improving the controllability of CTP hydrogen stages. They can also be used for determining the effectiveness of introducing the CHTBCE technology at wells with different structural and geological-engineering characteristics, and for identifying the causes of production decrease. To increase technology introduction effectiveness, a method was suggested for refining the quality of computer 3D CHTBCE simulation. The model is based on solving a system of Navier-Stokes equations that describe the laws of conservation of momentum, mass and energy. This helps describe complex filtration problems and enables simulating the CHTBCE process in actual objects. The law of conservation of momentum in filtration problems, depending on the character of filtration, is presented as the Darcy law, the Forchheimer law and the Darcy law with account of diffusion (Fick’s law). All the equations of the system that describe filtration laws include the permeability coefficient. In contrast to the majority of filtration problems, in which permeability coefficients are constants, a technique was developed for refining the 3D computer model of the process of hydrogen thermobaric-chemical action on the well production horizons. The mathematical model accounts for the results of experimental research into the unsteady process of recovery of rock permeability due to the integral hydrogen thermobaric-chemical action. The computational values or the permeability constants in the mathematical model of filtration are replaced with the return permeability change function depending on the relative volume of CTP reaction products. The refined computer model was verified experimentally by comparative analysis of the following: the results of numerical simulation of the reaction products filtration process at the CHTBCE hydrogen stages; and the results of experimental research conducted with actual rock cores. The verification confirmed a significant increase in simulation accuracy. The refined and verified model describes with high accuracy the flow of filtration-diffusion and heat-andmass transfer processes in the actual CTP during the treatment of production formations, and helps estimating treatment results. The refined mathematical model served as the basis of the computer 3D model for stepwise CHTBCE computer simulation with account of CTP kinetics. Such an approach became especially relevant under the condition when, owing to the developed methods, it became possible to control the stages, especially the hydrogen ones, for duration and temperatures. A procedure was developed for preparing to implement the technology with account of physical and mathematical simulation results. The developed procedure enables determining the quantitative and qualitative indicators of the chemical compositions of process fluids that affect the CHTBCE CTP flow, especially those of its hydrogen stages, and the treatment designs required the treatment of each well with account of its individual structural and geological-engineering characteristics and colmatation causes. The developed procedure was applied to creating the treatment design used for pilot industrial implementation of the technology on wells in Ukraine, India, Georgia, and Turkey. The results have confirmed the high effectiveness of the refined and used CTP in both vertical and horizontal wells.
Велігоцький, Дмитро Олексійович. "Підвищення ефективності хіміко-технологічного процесу комплексної водневої термобарохімічної технології інтенсифікації видобутку вуглеводнів." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2020. http://repository.kpi.kharkov.ua/handle/KhPI-Press/45962.
Full textThe thesis for scientific Degree of the Candidate of Technical Sciences in the specialty 05.17.08 – Processes & Equipment of Chemical Technology. – National Technical University "Kharkov Polytechnic Institute", Ministry of Education and Science of Ukraine, Kharkiv, 2020. The dissertation is dedicated to solving a topical scientific-and-practical problem of increasing the effectiveness of the chemical-technological process for intensifying hydrocarbon production, which is based on an integrated usage of anomalous properties of hydrogen as an activator of diffusion and filtration processes. An experimental complex was developed to study the kinetics of thermobaric-chemical processes and for physical modelling of the integral effect, including the hydrogen one, on the change of flow properties and permeability of the rock. The complex recreates the technological features of the chemical-technological process and ensures its flow in conditions utmost close to those in real formation ones. Methods were suggested for affecting the character of flow of the multistage thermobaric-chemical process and increasing its effectiveness, in particular, its hydrogen stages. Experiments have proved that adding hydroreacting substances based on aluminium and sodium to basic process fluids helps produce hydrogen at the low-temperature stage of the process. Hydrogen acts as an activator of diffusion and filtration of the fluid in the rock. Using 0,7-0,95% of a polymer nitrile paracyanogen synthesised to a refined technology as an activator of the combustion process increases the temperature and duration of the high-temperature stage of the chemical-technological process. This is done to a level at which, with the presence of activated hydrogen, processes of partial hydrocracking of heavy hydrocarbons occur directly in the formation. A technique was developed for determining the most effective chemical-technological process for the technology of integrated hydrogen thermobaric-chemical effect. It is based on a comparative analysis of the results of action of chemical-technological processes, differing in nature, on the recovery of the permeability of colmataged rock cores. The computer 3D model of the multistage process of the hydrogen thermobaric-chemical effect on production horizons of wells was refined. Its refinement method accounted for the results of experimental study of the unsteady process of recovery of rock permeability due to the integrated hydrogen thermobaric-chemical action. The refined and verified model describes with high accuracy the flow of filtration-diffusion and heat-and-mass transfer processes in actual chemical-technological processes during the treatment of productive formations, enabling to make prognostic evaluations about treatment results. The algorithm developed for preparing to implement the technology with account of the results of physical and mathematical simulation was used in exploratory-industrial introductions of the technology at wells in Ukraine, India, Georgia, and Turkey. The results have confirmed the high effectiveness of the refined and used chemical-technological processes in both vertical and horizontal wells.
Conference papers on the topic "Thermobaric chemical effect"
Rezaei Koochi, Mojtaba, Seyedsaeed Mehrabi-Kalajahi, and Mikhail Alekseevich Varfolomeev. "Thermo-Gas-Chemical Stimulation as a Revolutionary Ior-Eor Method by the in-Situ Generation of Hot Nitrogen and Acid." In SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/205948-ms.
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