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Journal articles on the topic 'Out-of-order pipeline'

Author: Grafiati

Published: 25 May 2024

Last updated: 31 July 2025

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1

Varshitsky, Victor M., Igor B. Lebedenko, and Eldar N. Figarov. "Method for determining process parameters in the repairing of pipelines with out-of-spec curvature." SCIENCE & TECHNOLOGIES OIL AND OIL PRODUCTS PIPELINE TRANSPORTATION 10, no. 1 (2020): 17–21. http://dx.doi.org/10.28999/2541-9595-2020-10-1-17-21.

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Pipe sections with curvatures exceeding the required specified values are often found during the pigging of major pipelines. Process parameters for repairs have to be defined in order to develop a maintenance project that also includes works to restore the specified status of the section found. A corresponding method is known for cases of relocation of an initially straight pipeline. The authors developed a method for determining process parameters for repairing pipelines with out-of-project axis curvature. The method is based on modeling the deformation of a pipeline with initial axis curvatu

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2

Chen, Yu, and Yun Bing He. "Present Situation Analysis of Cathodic Protection of Natural Gas Pipelines in East Sichuan and Countermeasure Suggestions." Applied Mechanics and Materials 256-259 (December 2012): 2627–31. http://dx.doi.org/10.4028/www.scientific.net/amm.256-259.2627.

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There are a large number of natural gas pipelines in East Sichuan. In order to prevent these natural gas pipelines from being corroded, they all use cathodic protection, but in terms of pipeline protection potential, the effect is unsatisfactory. Based on pipeline protection potential data collection, this paper carried out field investigation on anode beds, reference electrodes and management mode, analyzed the common problems of cathodic protection systems and put forward rectification suggestions.

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3

Schipachev, Andrey, Vadim Fetisov, Ayrat Nazyrov, Lee Donghee, and Abdurakhmat Khamrakulov. "Study of the Pipeline in Emergency Operation and Assessing the Magnitude of the Gas Leak." Energies 15, no. 14 (2022): 5294. http://dx.doi.org/10.3390/en15145294.

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Accidents on gas pipelines cause significant damage to the national economy and the economy of the state. Thus, it is necessary to always be prepared for such situations in order to restore the normal operation of the gas pipeline as soon as possible. An important role is played by the execution time of the control actions to localize the accident, pump out the gas, and change the operating modes. It is essential that such control be undertaken, especially if such a situation occurs near a gas-measuring installation for measuring the amount of vented gas. Therefore, the control actions must be

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4

Sekacheva, Antonina, Lilia Pastukhova, and Alexandr Noskov. "EXPERIMENTAL STUDY OF DYNAMIC PARAMETERS OF COMPLEX PIPELINE SYSTEM." Akustika, VOLUME 41 (2021): 65–72. http://dx.doi.org/10.36336/akustika20214165.

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The article discusses the results of studies of the dynamic parameters of a pipeline connected to a pump, carried out in order to obtain data in full-scale conditions. At this stage of the study, the stationary process of the pump operation, which forms a turbulent flow in the pipeline, was studied. A computational and experimental technique for studying natural frequencies and vibration modes of pipelines of complex spatial configuration has been developed. The adequacy of the developed methods of finite element modeling of dynamic processes in pipeline systems in the frequency range up to 40

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5

Zhang, Peng, Xiangsu Chen, and Chaohai Fan. "Research on a Safety Assessment Method for Leakage in a Heavy Oil Gathering Pipeline." Energies 13, no. 6 (2020): 1340. http://dx.doi.org/10.3390/en13061340.

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At present, the number of oil and gas gathering and transportation pipelines is numerous, and leakage accidents occur frequently. Each year, due to pipeline failure, there are immeasurable consequences for people and the environment around the affected pipelines. In order to reduce the risk of leakage accidents in heavy oil gathering pipelines and prevent the occurrence of major spills, it is of great significance to carry out safety assessments of them. However, failure data of these pipelines is seriously deficient and statistical methods used to evaluate pipeline safety are incompatible. Th

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6

Galikeev, R. M., R. R. Taychinov, and S. I. Grachev. "INVESTIGATION OF PROTECTIVE PROPERTIES OF SLEEVES FROM INTERNAL CORROSION OF WELDING SEWINGS OF INFIELD PIPELINES." Oil and Gas Studies, no. 1 (March 1, 2018): 53–56. http://dx.doi.org/10.31660/0445-0108-2018-1-53-56.

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The most vulnerable places of infield pipelines in operating are the welded joints of the pipeline. In order to study the protective effect authors of the article carried out tests on ability of the sleeve to protect welding sewing from corrosion of the welded joint in a corrosive medium.

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7

Liu, Xiaobo, Jing Zhang, Dashen Yang, et al. "Analysis on the stability of a coal mine's dumping slope and its influence on oil pipeline." Advances in Engineering Technology Research 11, no. 1 (2024): 359. http://dx.doi.org/10.56028/aetr.11.1.359.2024.

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There is cross-interference between an-yu-meng line of Yunnan product oil pipeline about 920m and NO.1 dump of a coal mine. In order to analyze the stability of the dump slope under heavy rain and other working conditions, and the influence of the dump continued dumping on the pipeline safety, combined with the geological environment conditions, quantitative calculation of stability and numerical simulation in the study area, a comprehensive analysis is carried out. The results show that the south section of the dump is about 200m long and unstable under heavy rain, and the other sections are

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8

Ye, Ji Hua, Qi Xie, and Yao Hong Xiahou. "Simulation and Implementation of HLA-Based Branch Predictor of Multi-Pipeline Processor." Applied Mechanics and Materials 204-208 (October 2012): 4952–57. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.4952.

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Researched how the multi-pipeline processor accelerates the running of thread ,found that when the branch predictor facing the random branch instruction, the hit rate will become very low, so bring out a new method that using the free pipeline to accelerate the running of branch instruction. If the right prediction from branch predictor is less than 70% and there is a free pipeline, then using two pipelines to run the two sides of a branch instruction at the same time. In order to test the new method, the HLA (High Level architecture) architecture-based simulation system is established, the re

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9

Liu, Qing. "Study on the Oil Pipeline Design of R Oil Field." Frontiers Research of Architecture and Engineering 3, no. 3 (2020): 40. http://dx.doi.org/10.30564/frae.v3i3.2453.

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It’s a compressive article consists of three parts, an overview of pipeline development in China, oil pipeline design for R oilfield and pipeline management suggestions. First, this article introduces the current status of pipeline construction, oil pipeline technology and gas pipeline technology in China in recent years. The current status of China’s pipeline construction is divided into three stages. In terms of construction, pipeline construction is developing in the direction of intelligence and modernization. Long-distance oil pipelines require technical breakthroughs in two aspects. One

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10

Shammazov, I. A., D. I. Sidorkin, and E. R. Dzhemilev. "Research of the Dependence of the Pipeline Ends Displacement Value When Cutting Out Its Defective Section on the Elastic Stresses in the Pipe Body." IOP Conference Series: Earth and Environmental Science 988, no. 2 (2022): 022077. http://dx.doi.org/10.1088/1755-1315/988/2/022077.

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Abstract In the process of repairing main oil and gas pipelines with cutting out defective sections, due to the elastic stresses in the body of the pipeline at the end of the first cut, there is a sharp displacement of the pipeline ends on both sides of the cutting site. This sharp displacement poses a threat to the lives of workers, and also complicates the further process of welding a new section of the pipeline due to the need to center its ends relative to each other. At the same time, to reduce the displacement of the ends of the pipeline, it is often pressed down with an excavator bucket

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11

Nwabueze, Gift, Joel Ogbonna, and Chijioke Nwaozuzu. "COST – BENEFIT ANALYSIS FOR NIGERIAN NATURAL GAS PIPELINE INVESTMENT." International Journal of Engineering Technologies and Management Research 7, no. 9 (2020): 52–65. http://dx.doi.org/10.29121/ijetmr.v7.i9.2020.780.

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This paper performs cost-benefit analysis of a pipeline infrastructure project based on a given natural gas demand in order to estimate the net present value and payback time for natural gas pipeline investment in Nigeria. The result of the cost-benefit analysis indicates a positive net revenue and net present value (NPV) at the current regulated transport cost and availability factor for gas pipelines in Nigeria. However, with a payback period of 14 years, a natural gas pipeline project in Nigeria is likely to lose-out investment capital to other competing investments within the oil and gas s

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12

Wood, D. G. "The Effect of Inclination on Flow Regime Boundaries and Slug Flow Characteristics." Journal of Energy Resources Technology 111, no. 3 (1989): 181–86. http://dx.doi.org/10.1115/1.3231421.

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Multiphase schemes for oil and gas production systems are becoming more common as the development of marginal fields necessitates a reduction in capital costs. Prediction of flow regime within these pipelines and the characteristics of the flow, especially within the slugging regime, is required in order to design the pipeline and the downstream separation and processing facilities. Test rig studies have been carried out at BP’s Sunbury Research Centre on the effect of small changes in pipeline inclination on both the flow regime and the characteristics of slug flow. Results from tests on a 2-

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13

Didukh, A. G., D. B. Abdukhaly`kov, S. N. Omirbekov, B. A. Imashev, and B. K. Aty`mtaeva. "CREATION OF A MODEL INSTALLATION FOR CONDUCTING STUDIES OF EXTERNAL AND INTERNAL CORROSION OF PIPE STEEL IN LABORATORY CONDITIONS." Herald of the Kazakh-British technical university 20, no. 1 (2023): 21–29. http://dx.doi.org/10.55452/1998-6688-2023-20-1-21-29.

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The article describes a model laboratory installation for conducting studies of hydrodynamic parameters, testing of gel pistons, additives and inhibitors, studies of external and internal corrosion of pipe steel, operation of the electrochemical protection (ECP) system, soil composition and properties. A feature of the installation is its multitasking with a wide range of simultaneous and separate studies, simulating the technology of pipeline transport. The degree of influence of additives on rheological parameters or corrosion inhibitors, the assessment of internal corrosion is carried out i

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14

Izgagina, T. Yu. "Some security issues in pipeline transport." Juridical Journal of Samara University 7, no. 3 (2022): 91–101. http://dx.doi.org/10.18287/2542-047x-2021-7-3-91-101.

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The article shows the role of pipeline transport in the Russian economy, analyzes the Russian legislation regulating the activities of this type of transport; analyzes typical violations detected in the operation of pipelines by control and supervisory authorities and the prosecutor's office; shows the role of Rostekhnadzor in detecting violations of high-risk objects. The article analyzes the legislation of the Republic of Belarus and the Republic of Kazakhstan in terms of legal regulation of the trunk pipeline transport and the supervision of it by the prosecutor's office; provides judicial

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15

Romanchuk, A. S., S. S. Khabirov, P. V. Vinogradov, R. I. Valiakhmetov, I. G. Gundorova, and D. A. Nebogin. "DEVELOPMENT OF LEAK DETECTION METHODS FOR USE IN FIELD PIPELINE TRANSPORT." Problems of Gathering Treatment and Transportation of Oil and Oil Products, no. 4 (September 3, 2024): 139–53. http://dx.doi.org/10.17122/ntj-oil-2024-4-139-153.

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Today, most existing leak detection methods are effective only for stationary operating conditions of pipelines. During transient (dynamic) pumping modes, a significant decrease in the sensitivity of the methods occurs, or inoperability of leak detection systems (LDS) based on them is observed.Accordingly, for the operation of the LDS in the presence of transient processes in pipelines, it is necessary to use special approaches that take into account the features and interrelation of the monitored indicators of the dynamically changing pumping regime with each other. One solution to this probl

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16

Chen, Yanli, Xueqing Zhang, Zhiyue Sang, Yongbai Sha, and Guiqiang Bai. "Dynamic Model and Characteristic Analysis of Viscosity-Ultraelasticity for Bionic Vascular Network." Applied Bionics and Biomechanics 2021 (January 25, 2021): 1–17. http://dx.doi.org/10.1155/2021/8867150.

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Due to the large volume of pipeline transportation, low cost, safety and the reliability, and automatic control, it is widely used in many fields of industrial development and human daily life. Most of the traditional hydraulic pipelines are steel pipes, and their structure is simple. High resistance and high consumption during transportation are not conducive to the sustainable development of society. However, the human vascular system is intricate and has excellent mechanical properties. Built on the review, research on the fluid-solid coupling characteristics of a single bionic pipeline and

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17

Herbich, John B. "Hydromechanics of submarine pipelines: design problems." Canadian Journal of Civil Engineering 12, no. 4 (1985): 863–74. http://dx.doi.org/10.1139/l85-099.

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In recent years, the size, number, and applications of offshore pipelines have been steadily increasing. The design and construction of pipelines in offshore cold regions calls for special measures (such as deep burial) because of seabed scouring caused by ice.Various societies and associations have pointed out the deficiencies in the state-of-the-art areas of environmental, design, and construction factors, particularly those dealing with structural, external pressure effects, and depth of burial. It has also been recommended that more data be obtained in order to fully evaluate pipeline–soil

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18

Si, Wenqi, Mingqing Wang, Yaru Gao, et al. "Experimental Study of Submarine Pipeline with Geotextile and Stone Cover Protection Under the Superposition of Waves and Currents." Journal of Marine Science and Engineering 12, no. 12 (2024): 2218. https://doi.org/10.3390/jmse12122218.

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Submarine pipelines are the main transport carriers of marine resources. In order to protect these pipelines, geotextile and stone covering measures are adopted in this paper and the protective effect is studied. A sequence of physical model tests was conducted to carry out the research. The hydrodynamic characteristics and seabed oscillation response of the seabed surrounding the pipeline were analyzed with or without geotextile and stone cover protection, and it was found that they were affected by waves (and currents). The experimental results show the following: (1) comparing the regular w

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19

Liu, Lianguang, Zebang Yu, Zhe Jiang, Jianhong Hao, and Wenlin Liu. "Observation Research on the Effect of UHVDC Grounding Current on Buried Pipelines." Energies 12, no. 7 (2019): 1279. http://dx.doi.org/10.3390/en12071279.

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In order to research the electromagnetic interference in buried oil and gas pipelines generated by the grounding current of a grounding electrode of Ultra High Voltage Direct Current (UHVDC) system, observation experiments of stray current and pipe-to-soil potential (PSP) in the pipeline were carried out. Monitoring devices were installed at two sites of the Dong-Huang oil pipeline before the commissioning of the Zalute–Qingzhou and Shanghaimiao–Shandong ±800 kV UHVDC projects. Monitoring data on the stray current and PSP of the two monitoring sites were obtained when the two UHVDC projects we

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20

Tarayevskiy, O. "STUDY OF THE INFLUENCE OF COMPLEX MINING AND GEOLOGICAL CONDITIONS ON OPERATION TRANSIT PIPELINES." Municipal economy of cities 3, no. 156 (2020): 105–10. http://dx.doi.org/10.33042/2522-1809-2020-3-156-105-110.

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On the basis of the system approach and analysis of the conditions of operation of transit main gas pipelines, analytical studies of the stresses occurring on the internal surface of the gas pipeline under the conditions of the obverse and reverse operation modes have been carried out. The method of determination (prognostication) of durability of long exploited pipelines, operated in complex mining and geological conditions was proposed. It was shown that during such exploitation of gas pipelines non-project modes are being found that require a detailed analysis of the use of their production

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21

Wen, Quan, Qiao Jin, and Jing Zhou. "Finite Element Based Fatigue Life Evaluation of Anthropogenic CO₂ Pipeline Containing an Inner Defect." Applied Mechanics and Materials 166-169 (May 2012): 1207–11. http://dx.doi.org/10.4028/www.scientific.net/amm.166-169.1207.

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The great effort for reducing emissions of CO2 to atmosphere will inevitably involve the carry-out process of Carbon Capture and Storage(CCS), a novel plan which intends to capture and store anthropogenic CO2 produced at many existing industrial sources, such as power stations and petrochemical works. In particular, anthropogenic CO2 pipeline transportation from the energy plant to the remote sequestration area(both onshore and offshore) is a fundamental issue regarding the feasibility of applying the CCS technology. CO2 pipelines have been in operation in USA, Europe and North Africa for almo

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22

Haniffa, Mohamad Azmi Md, and Fakhruldin M. Hashim. "Recent Developments in Contra-Flow Crawler in Pipeline." Applied Mechanics and Materials 465-466 (December 2013): 784–88. http://dx.doi.org/10.4028/www.scientific.net/amm.465-466.784.

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Pipeline Inspection Gauge (PIG) is a device which is inserted into a pipeline and travels throughout the entire length of pipeline and has been used since over 100 years in the petroleum industries to maintain the condition of pipelines mainly for smoothness of production and transportation of hydrocarbon products. Setbacks of conventional PIG; (1) can only move in the direction of the fluid flow, and therefore, (2) they need to be inserted at a specific point in the pipeline during application. This exercise is costly or even dangerous in some circumstances as it requires intervention of huma

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23

Tian, Yun, Qi Yao, Dong Jiang, Yanni Xiao, Licheng Liu, and Chengxin Lin. "Study on the Physical Properties of Split-type Iron Base Shape Memory Alloy Pipe Joint." Journal of Physics: Conference Series 2083, no. 2 (2021): 022072. http://dx.doi.org/10.1088/1742-6596/2083/2/022072.

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Abstract Aiming at the leakage phenomenon of pipeline system due to corrosion and other reasons, a split type iron-based shape memory alloy pipe joint based on the button bond connection was designed for repair. This split-type pipe joint can be used for quick in-situ maintenance of pipelines without cutting off pipelines or stopping transmission without pressure relief. It is especially suitable for intensive pipeline maintenance and online emergency maintenance. In order to study the connection performance of the split iron-based shape memory alloy pipe joint, this paper took the Fe17Mn4Si10

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24

Azmetov, Kh A., R. R. Khasanov, and B. R. Shaibakov. "CALCULATION OF UNDERGROUND PIPELINE OVERHAUL TECHNOLOGICAL PARAMETERS." Problems of Gathering Treatment and Transportation of Oil and Oil Products, no. 5 (November 23, 2023): 95–105. http://dx.doi.org/10.17122/ntj-oil-2023-5-95-105.

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Overhaul with pipeline lifting is one of the most frequently used repair methods in pipeline system technical operation in the oil and gas industry. Using this repair method, the anti-corrosion protective outer coating that has lost its protective properties is replaced. If necessary, pipe walls are repaired. Organizations operating pipelines are equipped with modern methods and means for determining the technical condition of the protective coating and the pipes themselves. The technical operation system allows timely detection of defective sections and carrying out appropriate repairs, ensur

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25

Badin, Yu A., M. V. Budaragin, and A. N. Kiselev. "CAUSES OF DAMAGE TO PROCESS PIPELINES OF DELAYED COKING UNITS AND MEASURES TO PREVENT THEM." Petroleum Engineering 21, no. 2 (2023): 159–71. http://dx.doi.org/10.17122/ngdelo-2023-2-159-171.

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The article provides a calculated justification for the occurrence of damage to process pipelines of delayed coking plants based on checking the strength conditions. Using the software package of finite element analysis ANSYS, based on estimates of temperature deformations of pipelines and coke drums, the calculation of the stress-strain state of pipeline elements is carried out. The results of computational studies indicate the types and locations of damage and show the possibility of preventing damage due to local strengthening of elements of pipelines with an increase in wall thickness. Bas

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26

Kurkachev, O. V., and D. O. Buklechev. "FORMALIZATION OF THE PRINCIPLE, METHOD AND METHOD OF DEVELOPING A DIGITAL IMAGE OF THE LINEAR PART OF THE MAIN GAS PIPELINE." Kontrol'. Diagnostika, no. 312 (June 2024): 30–38. http://dx.doi.org/10.14489/td.2024.06.pp.030-038.

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Uninterrupted gas supply to consumers and ensuring the design volume of pumping provides for the absence of accidents and incidents. Accidents during the operation of main gas pipelines lead to significant social, environmental and material losses. Due to the long-term operation and expiration of the resource of sections of gas pipelines operated on the territory of the Russian Federation, an urgent task is to increase their reliability and reduce accidents. At the same time, one of the prevailing conditions is the reliability of the linear part, which is formed at the design stage, provided a

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27

Shestakov, R. A., D. R. Makulov, and Yu S. Matveeva. "ALGORITHM FOR DETECTING HYDROCARBON LEAKS IN PIPELINE TRANSPORT WITH INTERMEDIATE REMOVAL OF PART OF HYDROCARBON." Petroleum Engineering 22, no. 1 (2024): 150–59. http://dx.doi.org/10.17122/ngdelo-2024-1-150-159.

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Currently, the main part of hydrocarbons consumed both in the Russian Federation and in the world as a whole is transported through pipelines. This type of transport has many advantages, however, despite this, problems arise during operation related to ensuring the integrity of the pipelines themselves and providing settlements located along the linear part with fuel using intermediate branches to local oil depots. It is worth noting that in this case there is a problem of ensuring constant and highquality monitoring of the state of the oil product pipeline-branch pipeline system, for which co

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Fidan Ismayilova, Fidan Ismayilova. "GRAPHO-ANALYTICAL ANALYSIS OF OIL SPILLS WITH GRAVITY FLOW FROM MULTIPHASE PIPELINES." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 07, no. 03 (2021): 04–12. http://dx.doi.org/10.36962/0703202104.

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It is important to determine the amount of oil spilled in order to assess the losses and environmental impacts caused by accidents during the operation of oil pipelines. In the article it was proposed a grapho-analytical method based on the analysis of accidental oil spills from pipelines for the correct determination of the amount of hydrocarbons released into the environment in different modes. It has been proved that the assumption that the flow of oil into the environment due to the fact that the atmospheric pressure during the accident is not at the maximum point of the route profile, but

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29

Wang, Donghai, Wei Sun, Zhihui Gao, and Hongwei Ma. "Optimization of spatial pipeline with multi-hoop supports for avoiding resonance problem based on genetic algorithm." Science Progress 105, no. 1 (2022): 003685042110704. http://dx.doi.org/10.1177/00368504211070401.

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The reasonable layout of hoops can effectively avoid the excitation frequency of engine rotors and greatly reduce the vibration level of pipeline systems. In this study, a spatial pipeline supported by multi-hoops was taken as the object, the method of using genetic algorithm to efficiently obtain the optimal layout of hoops to avoid resonance was investigated. The finite element model of the pipeline system was created as the basic model of optimization, spring elements were applied to simulate the mechanical characteristics of hoop and the influence of spring element direction on the vibrati

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Ahmad, Waqar, Osman Hasan, Sofiène Tahar, and Mohamed Salah Hamdi. "Formal reliability analysis of oil and gas pipelines." Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 232, no. 3 (2017): 320–34. http://dx.doi.org/10.1177/1748006x17694494.

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Depending on the operational environment, installation location, and aging of oil and gas pipelines, they are subject to various degradation mechanisms, such as cracking, corrosion, leaking, and thinning of the pipeline walls. Failure of oil and gas pipelines due to these degradation mechanisms can lead to catastrophic events, which, in the worst case, may result in the loss of human lives and huge financial losses. Traditionally, paper-and-pencil proof methods and Monte Carlo based computer simulations are used in the reliability analysis of oil and gas pipelines to identify potential threats

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Orlov, Vladimir, Sergey Zotkin, Dmitry Podolyan, and Dmitry Petersburgsky. "ESTIMATION OF ELECTRICITY CONSUMPTION FOR WATER TRANSPORTATION IN PRESSURE PIPELINES AFTER THEIR REPAIR." International Journal for Computational Civil and Structural Engineering 20, no. 4 (2024): 150–59. https://doi.org/10.22337/2587-9618-2024-20-4-150-159.

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The issues of using pipes made of different materials in water supply systems and the current situation with the technical condition of pressure pipeline transport are considered. It is noted that in order to ensure the standard service life of pipelines, it is necessary to carry out high-quality repair and restoration work using trenchless technologies and modern building materials, which include polymer pipes and flexible hoses. The object of research is a section of a dilapidated steel pipeline network of a certain thickness, diameter, depth and groundwater level above the tray. For the ren

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32

Abdullina, D. A. "Research of Methods of Removal of Asphalt-Resin-Paraffin Deposit for Technological Pipelines." Oil and Gas Technologies 137, no. 6 (2021): 51–53. http://dx.doi.org/10.32935/1815-2600-2021-137-6-51-53.

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The object of the study is the problem of deposition of asphalt-resin-paraffin deposits (ARPD) on the inner walls of technological oil pipelines in the process of oil transportation. A number of problems have been identified in connection with the negative impact of ARPD on the process of oil transportation. Based on the work carried out, the main direction for continuing research was determined in order to determine an effective method for removing and preventing the deposition of ARPD on the walls of the process pipeline.

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33

Melet, O., D. Youssefi, C. L'Helguen, et al. "CO3D MISSION DIGITAL SURFACE MODEL PRODUCTION PIPELINE." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B2-2020 (August 12, 2020): 143–48. http://dx.doi.org/10.5194/isprs-archives-xliii-b2-2020-143-2020.

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Abstract. Earth Observation (EO) remote sensing missions are producing an increasing volume of data due to higher spatial and spectral resolutions, and higher frequency of acquisitions. Thus, in order to prepare the future of image processing pipelines, CNES has carried out Research &amp; Development studies related to the use of Big Data and Cloud technologies for image processing chains made. Since mid-2019, CNES in partnership with Airbus Defense &amp; Space, has started a new High Resolution Optical EO mission dedicated to very high resolution 3D observation called CO3D (“Constella

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34

Wan, Yu, Shaochen Lin, and Yan Gao. "Study on the priori method of vibration anomalies in the pipeline of a Synchronous condenser." Journal of Physics: Conference Series 2383, no. 1 (2022): 012155. http://dx.doi.org/10.1088/1742-6596/2383/1/012155.

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Abnormal vibration may occur in the pipeline of cooling and lubrication system of synchronous condenser during operation. In order to solve this problem, a priori analysis method for abnormal vibration of synchronous condenser piping system is proposed in this paper. This method mainly includes three parts :(1) the modal analysis of the whole pipeline system is carried out to find the pipeline with the most dangerous abnormal vibration; (2) Analyze the cause of abnormal vibration of the hazardous pipeline; (3) According to the analysis results of vibration causes, the field measurement is carr

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35

Hashigami, Shigehiro, Makoto Matsushita, and Yoshihiro Kumaki. "New development of pipe-network management in Kobe City." Journal of Water Supply: Research and Technology-Aqua 59, no. 6-7 (2010): 436–44. http://dx.doi.org/10.2166/aqua.2010.009.

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Distribution pipelines now require a lot of maintenance and mass renewal. We need to determine measures to maintain water quality and to carry out reconstruction of the pipeline system. In addition, the mass retirement of engineers also provides us with a serious challenge on how to transfer their knowledge and skill. In 2008 Kobe City established Kobe Waterworks Vision 2017, in which plans have been set out to realize ‘safety’, ‘relief’, ‘sustainability’ and so on. In order to realize the vision in the field of distribution pipelines, pipe-network reconstruction and the Manual for Water Safet

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Oliinyk, A. P., B. S. Nezamay, and L. I. Feshanych. "PECULIARITIES OF MODELING OF STRESS-STRAIN STATE OF PIPELINES THROUGH WHICH GAS-LIQUID MIXTURES WITH AGGRESSIVE COMPONENTS ARE TRANSPORTED." METHODS AND DEVICES OF QUALITY CONTROL, no. 2(43) (December 24, 2019): 128–35. http://dx.doi.org/10.31471/1993-9981-2(43)-128-135.

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The task of estimating the stress-strain state of pipelines through which gas-liquid mixtures with aggressive components are transported is considered, the purpose, object and object of research are established. The analysis of the current state of scientific and technical researches on the given subject is carried out, the circle of unresolved problems is revealed. The combined effect on the pipelines through which gas-liquid mixtures with aggressive components are transported stress – strained state change is estimated by two models - the model for determining the change of the stress-strain

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Oliinyk, A. P., B. S. Nezamay, and L. I. Feshanych. "PECULIARITIES OF MODELING OF STRESS-STRAIN STATE OF PIPELINES THROUGH WHICH GAS-LIQUID MIXTURES WITH AGGRESSIVE COMPONENTS ARE TRANSPORTED." METHODS AND DEVICES OF QUALITY CONTROL, no. 2(43) (December 24, 2019): 128–35. http://dx.doi.org/10.31471/1993-9981-2020-2(43)-128-135.

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The task of estimating the stress-strain state of pipelines through which gas-liquid mixtures with aggressive components are transported is considered, the purpose, object and object of research are established. The analysis of the current state of scientific and technical researches on the given subject is carried out, the circle of unresolved problems is revealed. The combined effect on the pipelines through which gas-liquid mixtures with aggressive components are transported stress – strained state change is estimated by two models - the model for determining the change of the stress-strain

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Sytdykov, Maxim, Andrey Balobanov, and Andrey Ivanov. "ASSESSMENT OF THE DEGREE OF DAMAGE IN CASE OF ACCIDENTS OF TRUNK PIPELINES BY THE METHOD OF HIERARCHY ANALYSIS." Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» 2023, no. 3 (2023): 36–44. http://dx.doi.org/10.61260/2218-130x-2023-3-36-44.

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The increase in the number of objects of the economy of the oil and gas complex on the territory of the Russian Federation entails an increase in the number of accidents at these objects. One of the most emergency facilities of the oil and gas complex are trunk pipelines. Accidents on main pipelines lead to various types of damage, the totality of which increases the severity of the consequences of accidents. In this regard, there is a need to assess the main pipelines in order to determine their most emergency type. For this purpose, the work carried out such an assessment of trunk pipelines

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He, Guanghui. "Safety state identification of concrete pumping pipeline based on multi-channel audio signals." E3S Web of Conferences 198 (2020): 01001. http://dx.doi.org/10.1051/e3sconf/202019801001.

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Based on the principle of superposition and attenuation of sound propagation, a Multi-point Multi-channel noise Reduction Method (MMRM) for audio monitoring is proposed. With the help of the proposed noise reduction method, the sounds made by the concrete pumping-pipelines themselves on the construction site and the environmental noises are separated in real time. Then, the Mel-Frequency Cepstral Coefficients (MFCCs) and spectral centroids of the filtered pumping-pipeline signals are extracted in real time as the features. Finally, the distance between the currently obtained feature vector of

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Zhang, Hongyu, Shengwu Tu, Senlin Nie, and Weihua Ming. "Prediction of Blast Vibration Velocity of Buried Steel Pipe Based on PSO-LSSVM Model." Sensors 24, no. 23 (2024): 7437. http://dx.doi.org/10.3390/s24237437.

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In order to ensure the safe operation of adjacent buried pipelines under blast vibration, it is of great practical engineering significance to accurately predict the peak vibration velocity ofburied pipelines under blasting loads. Relying on the test results of the buried steel pipe blast model test, a sensitivity analysis of relevant influencing factors was carried out by using the gray correlation analysis method. A least squares support vector machine (LS-SVM) model was established to predict the peak vibration velocity of the pipeline and determine the best parameter combination in the LS-

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Zharkov, V. V., T. V. Savitskaya, and A. M. Sverchkov. "Study of the Influence of Factors of the State of Oil Trunk Pipelines on the Degree of Accident Risk." Occupational Safety in Industry, no. 10 (October 2021): 71–76. http://dx.doi.org/10.24000/0409-2961-2021-10-71-76.

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The article examines the current state of the oil industry in Russia. The main reasons for depressurization of the main oil pipelines and oil product pipelines are analyzed, domestic and foreign methods for assessing the pipeline accidents risk are considered. Review of domestic and foreign software products is carried out allowing to assess the accidents risk. The software application was developed for solving the problems of scoring the factors of influence of the state of the main oil pipelines and main oil product pipelines on the degree of accidents risk. The software application is based

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Lee, Ouk Sub, and Dong Hyeok Kim. "Reliability of Buried Pipeline Using FORM and Monte Carlo Simulation." Key Engineering Materials 321-323 (October 2006): 1543–47. http://dx.doi.org/10.4028/www.scientific.net/kem.321-323.1543.

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The reliability estimation of pipelines is performed with help of the probabilistic method which considers the uncertainties included in the load and resistance parameters. The FORM (first order reliability method) is carried out to calculate the failure probability of corroded pipeline for the classified six distribution types of random variables. And the reliability of pipelines is assessed by using the failure probability. Furthermore, the MCS (Monte Carlo Simulation) is used to verify the results of the FORM. It is noted that the failure probabilities of the linear and the power models for

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Wu, Xiao Nan, Hong Yan Ma, Ying Zhou, Mei Lin Hu, and Yan Xian. "Stress Influence Factor Analysis of Gas Pipeline in the Tunnel." Applied Mechanics and Materials 204-208 (October 2012): 4264–69. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.4264.

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The laying of gas pipeline with tunnel crossing method, except under the influence of pressure, temperature, and out of gas direction, it also subjected to constraints of soil, soil temperature, terrain conditions and the impact of earthquakes. Also crossing pipes are in the constraints of fixed pier, anchorage pier and pier pipeline deformation, which makes the stress analysis of boundary is difficult to determine. In order to compare the effect of different constraints and out of gas direction on the entire tunnel crossing pipeline under operating conditions, this paper has established three

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Chen, Yanjun, Li Tang, and Qiliang Wang. "Failure analysis of the sewage pipeline on a shale gas platform." Journal of Physics: Conference Series 2499, no. 1 (2023): 012015. http://dx.doi.org/10.1088/1742-6596/2499/1/012015.

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Abstract The wall thickness of the sewage pipeline on a shale gas platform is seriously reduced. In order to explore the specific reasons for the pipeline failure, this paper carried out analysis by means of macroscopic inspection, mechanical property test, chemical composition analysis of base metal and corrosion product analysis. The analysis results show that the site of this pipeline corroded most seriously is at 5 o ′clock and 12 o ′clock near the outlet, and the corrosion of liquid accumulation containing CO2 is the main reason for the serious failure of the inner wall of this pipeline.

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Yao, Bin, Deyin Zhao, Zhi Zhang, and Cheng Huang. "Safety Study on Wax Deposition in Crude Oil Pipeline." Processes 9, no. 9 (2021): 1572. http://dx.doi.org/10.3390/pr9091572.

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The Shunbei crude oil pipeline is prepared to use the unheated transportation process to transport waxy crudes. However, the wax formation in the pipeline is unknown. In order to predict the wax deposition of the pipeline, the physical property experiment of Shunbei crude oil was carried out through field sampling. The density, freezing point, hydrocarbon composition, and viscosity–temperature characteristics of crude oil are obtained. The cloud point and wax precipitation characteristics of the crude oil were obtained using the differential scanning calorimetry (DSC) thermal analysis method.

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Alharbi, Emad, Paul Bond, Radu Calinescu, and Kevin Cowtan. "Predicting the performance of automated crystallographic model-building pipelines." Acta Crystallographica Section D Structural Biology 77, no. 12 (2021): 1591–601. http://dx.doi.org/10.1107/s2059798321010500.

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Proteins are macromolecules that perform essential biological functions which depend on their three-dimensional structure. Determining this structure involves complex laboratory and computational work. For the computational work, multiple software pipelines have been developed to build models of the protein structure from crystallographic data. Each of these pipelines performs differently depending on the characteristics of the electron-density map received as input. Identifying the best pipeline to use for a protein structure is difficult, as the pipeline performance differs significantly fro

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Makarenko, Valery, Volodymyr Gots, Yulia Makarenko, Tetiana Arhatenko, and Viktor Polishchuk. "Research of accidents pipelines." Problems of Water supply, Sewerage and Hydraulic, no. 40 (September 26, 2022): 31–43. http://dx.doi.org/10.32347/2524-0021.2022.40.31-43.

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The durability and reliability of operation of steel pipelines of water supply and sewage systems is determined in particular by the quality of their welded joints, which in turn depends both on the composition of the materials used in their manufacture and on the observance of welding technology. The composition of impurities of transported liquids, which can cause corrosive destruction of materials, also has a significant impact on the reliability of pipeline systems. These phenomena are especially important in hot water supply and industrial drainage systems, where the destructive influence

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Kuptsova, Olesya V., Vyacheslav A. Melkiy, Alexey A. Verkhoturov, and Daniil V. Dolgopolov. "FAULT MAPPING BY DATA OF AEROSPACE SURVEYS TO ENSURE THE SAFETY OF MAIN PIPELINES (FOR EXAMPLE OF THE SECTION CHAYVO-DE-KASTRI PIPELINE)." Bulletin of the Tomsk Polytechnic University Geo Assets Engineering 334, no. 6 (2023): 92–102. http://dx.doi.org/10.18799/24131830/2023/6/3826.

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Link for citation: Kuptsova O.V., Melkiy V.A., Verkhoturov A.A., Dolgopolov D.V. Fault mapping by data of aerospace surveys to ensure the safety of main pipelines (by the example of the section Chayvo–De-Kastri oil pipeline). Bulletin of the Tomsk Polytechnic University. Geo Аssets Engineering, 2023, vol. 334, no. 6, рр.92-102.In Rus. The relevance of the research is caused by the need to identify the hazardous geological processes during the construction and operation of pipelines. The Russian Federation ranks second in the world in terms of the total length of main pipelines, where accidents

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Hoover, Elizabeth. "“Fires were lit inside them”." Review of International American Studies 12, no. 1 (2019): 11–44. http://dx.doi.org/10.31261/rias.7391.

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The language of fire has sometimes been used in illustrative ways to describe how social movements spark, flare, and sometimes sputter out. Building on recent scholarship about protest camps, as well as borrowing language from environmental historians about fire behavior, this article draws from ethnographic research to describe the pyropolitics of the Indigenous-led anti-pipeline movement at Standing Rock—examining how fire was used as analogy and in material ways to support and drive the movement to protect water from industrial capitalism. Describing ceremonial fires, social fires, home fir

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Feng, Zuoming, and Xun He. "Current Status and Analysis of Natural Gas Pipeline Hydrogen Blending and Transportation Development." International Journal of Electric Power and Energy Studies 2, no. 3 (2024): 59–65. http://dx.doi.org/10.62051/ijepes.v2n3.09.

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Hydrogen doping in natural gas pipelines is one of the means to realize large-scale, long-distance and low-cost hydrogen transportation, but hydrogen doping in natural gas pipelines has brought about non-negligible impacts on pipeline operating conditions, safety and maintenance, etc., and has certain potential safety hazards. To this end, the technical research and engineering application of hydrogen doping in natural gas pipelines at home and abroad are discussed, and the main factors affecting the safe transportation of hydrogen doping in natural gas pipelines are discussed, i.e., physical

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