Ihor Chudyk
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View article: Determination of Experimental Characteristics of a Jet-vortex Pump
Determination of Experimental Characteristics of a Jet-vortex Pump Open
A methodology has been developed and the results of experimental studies of high-pressure jet-vortex pump models with a mixing chamber and working nozzle area ratio of 3.429 and 3.795 have been obtained. In the flow part of the pump, incli…
View article: A new method of oil and water well completion involving the implosion effect
A new method of oil and water well completion involving the implosion effect Open
Features of colmatation zones of a productive formation in terms of rotary drilling by drilling muds are considered. A brief analysis of the most popular decolmatation methods is performed. Special attention is paid to the decolmatation me…
View article: Bench studies of the process of transporting an inverse gravel filter of block type along the well
Bench studies of the process of transporting an inverse gravel filter of block type along the well Open
The purpose of the study is to develop a technology for fresh water treatment in deep hydrogeological wells with productive horizons represented by medium-grained, fine-grained, and silty sands by equipping their intake part with block-typ…
View article: Analysis of the digital transformation processes of the oil and gas industry
Analysis of the digital transformation processes of the oil and gas industry Open
Most modern digital technologies, which are part of the fourth industrial revolution, can be used to improve the efficiency of production processes in the oil and gas industry, in particular, in exploration, planning and optimisation of we…
View article: Determination of the thermal state of a block gravel filter during its transportation along the borehole
Determination of the thermal state of a block gravel filter during its transportation along the borehole Open
Purpose. Development of a methodology for determining the thermal state of block inverse gravel filters manufactured using low-temperature technology during their transportation in a well based on computer and mathematical modeling. Method…
View article: Influence of drilling mud pulsations on well cleanout efficiency
Influence of drilling mud pulsations on well cleanout efficiency Open
Purpose. Determination of the influence of the non-stationary flow regime of the drilling mud on the efficiency of cleaning the wellbore in the annulus from drill cuttings. Methodology. The study on the carrying capacity of the drilling mu…
View article: Experimental studies of the carrying capacity of the drilling fluid
Experimental studies of the carrying capacity of the drilling fluid Open
The main factors affecting the efficiency of the carrying capacity of drilling fluid are analysed in the paper. A description of the design of an experimental setup for modeling the well flushing process is presented, which makes it possib…
View article: Application of fuzzy logic for risk assessment of investment projects
Application of fuzzy logic for risk assessment of investment projects Open
Comparison of the stress-strain state of a drill-string section for two cases of its position in the well interval with a cavern is aim of the article. The drill pipe body is placed in the middle of a cavern in a first case and the drill p…
View article: Mathematical modeling of the stress-strain state of the annular preventer seal using the theory of reinforced shells
Mathematical modeling of the stress-strain state of the annular preventer seal using the theory of reinforced shells Open
Management of wells in the process of their construction is one of the important factors in ensuring the safety of the technological process. Blowout equipment, which includes annular preventers, is used to control the wells. This applies …
View article: SOLUTIONS OF POLYMERS IN THE OIL AND GAS TECHNOLOGIES
SOLUTIONS OF POLYMERS IN THE OIL AND GAS TECHNOLOGIES Open
There has been carried out a complex study of polymer solution reaction under hydrodynamic effect. Integrated approach turned out to be a necessary condition for successful solving of the set tasks of scientific and technical character (fr…
View article: Assessment and minimization of the impact of oil and gas production on environmental protection areas
Assessment and minimization of the impact of oil and gas production on environmental protection areas Open
Data on the location of explored oil and gas fields and oil and gas prospects were analysed. The fields are ranked according to the service life and the level of equipment wear. It is shown that the most worn-out are the deposits of Wester…
View article: Experimental research of the conditions for the transfer of rock pressure by saliniferous rocks to the casing
Experimental research of the conditions for the transfer of rock pressure by saliniferous rocks to the casing Open
The analysis of field data from casing failure on the fields of the Borislav and Dolinsky oilfield regions has been carried out. It has been found that the most significant negative factors that have a bearing on the preservation of the in…
View article: On the possibility of using simulation modeling for research and design of universal preventer seals
On the possibility of using simulation modeling for research and design of universal preventer seals Open
Well control in the process of their construction is one of the important factors in ensuring the safety of the technological process. Blowout preventer equipment, which includes annular preventers, is used to control the wells. This appli…
View article: Influence of deformation parameters on drill string dynamics
Influence of deformation parameters on drill string dynamics Open
Purpose. Identifying the causes of additional energy consumption for deformation of the drill string. Methodology. The study was conducted by analyzing the causes of deformations and justifying their impact on the dynamic parameters of the…
View article: Experimental studies of the well flushing process in the pulsation mode
Experimental studies of the well flushing process in the pulsation mode Open
Мета.Дослідити вплив пульсуючої течій промивальної рідини і техніко-технологічних параметрів процесу промивання свердловин на його ефективність за допомогою
View article: New methods for preventing crumbling and collapse of the borehole walls
New methods for preventing crumbling and collapse of the borehole walls Open
Purpose. To increase the stability of the wellbore during its construction in unstable rocks. Methodology. To solve the set tasks, an integrated approach is used in the work, which includes critical analysis and generalization of scientifi…
View article: Optimal Gas Transport Management Taking into Account Reliability Factor
Optimal Gas Transport Management Taking into Account Reliability Factor Open
In the period of shortage of gas supply, special attention is given to reducing the supply of gas to its consumers, that is, their complete and uninterrupted gas supply. Increasing gas losses associated with technological transportation co…
View article: Influence of Hydrate Formation and Concentration of Salts on the Corrosion of Steel 20 Pipelines
Influence of Hydrate Formation and Concentration of Salts on the Corrosion of Steel 20 Pipelines Open
One of the ways to increase natural gas production is to conserve and/or intensify existing wells with their subsequent development. They are characterized by a high content of highly mineralized water, which leads to an increased risk of …
View article: Well washing process modelling
Well washing process modelling Open
The study of the influence of technical and technological factors on the efficiency of well flushing was car-ried out under experimental conditions. The analysis of existing experimental installations is performed with the help of which it…
View article: Mathematical model of oscillations of a drill tool with a drill bit of cutting-scraping type
Mathematical model of oscillations of a drill tool with a drill bit of cutting-scraping type Open
Purpose.Finding the cause and effect relationships between the parameters of nonstationary longitudinal and torsional vibra tions of a drilling tool and developing a mathematical model to study their properties.Methodology.The solution to …
View article: Coil-Uncoiled Chain Transition of Polyethylene Oxide Solutions under Convergent Flow
Coil-Uncoiled Chain Transition of Polyethylene Oxide Solutions under Convergent Flow Open
The coil-uncoiled chain transition under convergent flow of polyethylene oxide aqueous solutions has been studied.The possibility of this transition has been confirmed by the experiments.The fields of velocities and their gradients arising…
View article: The Experimental Research of Mechanical Properties of Rocks in Thermobaric Conditions
The Experimental Research of Mechanical Properties of Rocks in Thermobaric Conditions Open
Oil and gas account for 60% of the energy balance of Ukraine. These energy carriers have received the greatest public attention in recent years. The supply of fuel resources and their price level have a significant impact on the living sta…
View article: EVALUATION OF DESIGN PARAMETERS OF ORIENTED ASSEMBLIES TO PROVIDE THEIR DESCENT IN THE DIRECTIONAL WELL
EVALUATION OF DESIGN PARAMETERS OF ORIENTED ASSEMBLIES TO PROVIDE THEIR DESCENT IN THE DIRECTIONAL WELL Open
This scientific publication proposes a new method for assessing the impact of technical and technological parameters of oriented slick assemblies and assemblies with one stabilizer on their passage in the directional well. The analysis of …
View article: THE DEVELOPMENT OF THEORETICAL BACKGROUND OF CONTROLLING THE CAVITATION-IMPULSE EFFECT ON A BOTTOM-HOLE ON THE BASIS OF THE THEORY OF SPECTRA
THE DEVELOPMENT OF THEORETICAL BACKGROUND OF CONTROLLING THE CAVITATION-IMPULSE EFFECT ON A BOTTOM-HOLE ON THE BASIS OF THE THEORY OF SPECTRA Open
The authors consider the technology of intensification of the rock failure during the drilling of the wells using the substantiation of physico-mechanical, cavitation and technological processes. Further development of the mechanism of roc…
View article: THE APPLICATION FEATURES OF DIRECTIONAL BHAS WHILE DRILLING DIRECTIONAL WELLS
THE APPLICATION FEATURES OF DIRECTIONAL BHAS WHILE DRILLING DIRECTIONAL WELLS Open
The article presents a scientific and practical approach to assessing the energy efficiency of directional bottom hole assembly on the basis of the mud motor. The main design feature of these assemblies is the presence of a bent angle in t…
View article: ANALYTICAL ESTIMATION OF INERTIAL PROPERTIES OF THE CURVED ROTATING SECTION IN A DRILL STRING
ANALYTICAL ESTIMATION OF INERTIAL PROPERTIES OF THE CURVED ROTATING SECTION IN A DRILL STRING Open
We have proposed approaches to analytical assessment of the moment of inertia related to the curved rotary sections in a drill string. Research into rotation processes of the curvilinear sections in a drill string is associated at present …
View article: Analytical estimation of inertial properties of the curved rotating section in a drill string
Analytical estimation of inertial properties of the curved rotating section in a drill string Open
We have proposed approaches to analytical assessment of the moment of inertia related to the curved rotary sections in a drill string. Research into rotation processes of the curvilinear sections in a drill string is associated at present …
View article: Innovative technology for insulating the borehole absorbing horizons with thermoplastic materials
Innovative technology for insulating the borehole absorbing horizons with thermoplastic materials Open
The purpose of the work is to increase the insulation work efficiency by using thermoplastic mixes based on polyethylene terephthalate. The tasks set were solved by a complex method of research, including the analysis and synthesis of the …
View article: Corrosion of drill pipes in high mineralized produced waters
Corrosion of drill pipes in high mineralized produced waters Open
The reasons for the drill pipes failure as a result of interaction with formation water and killing fluids were analyzed. It was determined that the aggressiveness of killing fluids increases as a result of acid treatment of wells, which c…