Investigation of the influence of the gas pipeline tee geometry on hydraulic energy loss of gas pipeline systems

Doroshenko, Ya. V.; Rybitskyi, I. V.

doi:10.15587/1729-4061.2020.192828

Cited by 5 publications

(2 citation statements)

References 3 publications

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“…These pipeline systems are branched networks that contain numerous fittings such as bends, various tees (stamped and welded), reducers, and collectors with different internal geometries. Additionally, the flow direction changes within these fittings, leading to complex flow patterns [14,15]. Such factors contribute to the unpredictability of pig application, increase the risk of pig jamming [16,17], reduce their universality, and require an individualized approach to cleaning each pipeline.…”

Section: Literature Reviewmentioning

confidence: 99%

Experimental Studies on the Dynamics of the Movement of Cleaning Pigs Through Tee Pipe Fittings

Stetsiuk,

Bondarenko,

Doroshenko

et al. 2024

Strojnícky Časopis - Journal of Mechanical Engineering

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Experimental setups using steel and transparent glass pipes, along with equally spaced steel stamped and transparent plastic tees, were designed for testing. The experimental results provided insights into the influence of flow directions, pig length, material properties, and air consumption on the dynamics and strength of the pigs within the tees. Furthermore, the study identified the causes of temporary halting, jamming, and the mechanisms of damage to cylindrical pigs made of hyperelastic materials within pipeline tees.

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Section: Literature Reviewmentioning

confidence: 99%

Experimental Studies on the Dynamics of the Movement of Cleaning Pigs Through Tee Pipe Fittings

Stetsiuk,

Bondarenko,

Doroshenko

et al. 2024

Strojnícky Časopis - Journal of Mechanical Engineering

Self Cite

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“…Since it is impossible to obtain an analytical solution, numerical modeling can be used to establish quantitative relationships in modern software systems, which is an effective tool for solving such problems, both in a complex (multidisciplinary modeling) and partially. Such modeling make it possible to see in detail a complex three-dimensional single-phase or multiphase flow inside various shaped elements of gas pipeline systems [17][18][19][20] and to study the distribution of pressure, flow velocity, kinetic energy of turbulence, to determine the trajectories of dispersed phases in the continuous phase, the location and rate of erosive wear of the wall, etc. The results of numerical modeling also help to create three-dimensional models of shaped elements of gas pipelines with erosional defects of complex structure, which will occur at certain intervals of pipeline operation.…”

Section: Introductionmentioning

confidence: 99%

Numerical Study on Erosion Wear and Strength of Main Gas Pipelines Bends

Doroshenko

Galyna

Yuliia

et al. 2021

Strojnícky Časopis - Journal of Mechanical Engineering

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The purpose of this work is to ensuring the strength of main gas pipelines bends by studying the peculiarities of single-phase and multiphase flows movement through the internal cavity, the processes of erosion wear and the wall stress state. The problem of synergistic influence of gas-dynamic processes (uneven pressure distribution in the internal cavity), temperature difference and erosion wear on the stress state of the bends of main gas pipelines was solved by numerical simulation. Based on the results of simulation the processes of bends erosion wear, an algorithm for three-dimensional simulation of bend walls erosion defects was developed. The complex three-dimensional geometric shape of the erosion defects of the bend wall varied according to the rate of erosion wear process. This algorithm made it possible to determine the regularities for the influence of the bend erosion defects magnitude on bends stress state. It was established that considering the maximum depth of bend erosion defects 9.6 mm, 10.5 mm and 11.9 mm, the equivalent stresses in the deepest places of the erosion defect were greater than on the concave side of the bend and in straight sections of the pipeline.

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Developing a set of measures to provide maximum hydraulic efficiency of gas gathering pipelines

Volovetskyi

Uhrynovskyi

Doroshenko

et al. 2020

Journal of Achievements in Materials and Manufacturing Engineering

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Purpose: The purposes of this article are to study the effective ways of increasing the hydraulic efficiency of gas gathering pipelines of the Yuliivskyi oil and gas condensate production facility (OGCPF); to calculate the operation efficiency of gas gathering pipelines of the Yuliivskyi OGCPF and develop a set of measures to monitor their condition and improve their hydraulic characteristics; to investigate the technology of cleaning the inner cavity of flowlines of gas-condensate wells with foam, to perform the feasibility study on the prospects of its application in practice. Design/methodology/approach: The technology of cleaning the inner cavity of flowlines of gas-condensate wells with foam was investigated to objectively evaluate its application and determine the effectiveness of this measure. The research was carried out within the framework of research and development work by the specialists of the Ukrainian Scientific Research Institute of Natural Gases. Findings: The results of production studies showed that due to cleaning the flowlines of gas-condensate wells (No.85 and No.60) from the accumulation of liquid, the coefficients of their hydraulic efficiency increased by 12% and 7%, respectively. Measures taken to clean the inner cavity of the flowlines from liquid have proven their efficiency and can be recommended for other flowlines of wells at other production fields. Research limitations/implications: Based on the characteristics of gas gathering pipelines, it is reasonable to conduct experimental studies on the use of the proposed technology of cleaning the inner cavity with foam in the case of increasing its multiplicity. Practical implications: Using the wells of the Yuliivske oil and gas condensate field as case studies, the operating parameters were measured and the pressure losses along the length of the flowlines were calculated. According to the results of calculations at two wells (No.85 and No.60), a significant excess of the actual value of the flow friction characteristic over the theoretical value was established. To reduce excessive pressure losses due to the presence of liquid and improve the hydraulic characteristics of the wells, their inner cavities were cleaned using foam with the expansion ratio from 40 to 100. Originality/value: It is important to note that the advantages of foam piston include: ease of use, no occurrence of hydraulic shocks and preventing stuck during movement in the gas pipeline, application in both straight and inclined sections, no wear of the elements of the cleaning equipment, a rather efficient cleaning of gas pipelines.

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Investigation of the influence of the gas pipeline tee geometry on hydraulic energy loss of gas pipeline systems

Cited by 5 publications

References 3 publications

Experimental Studies on the Dynamics of the Movement of Cleaning Pigs Through Tee Pipe Fittings

Experimental Studies on the Dynamics of the Movement of Cleaning Pigs Through Tee Pipe Fittings

Numerical Study on Erosion Wear and Strength of Main Gas Pipelines Bends

Developing a set of measures to provide maximum hydraulic efficiency of gas gathering pipelines

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