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    Wyświetlanie 1-5 z 5
    Tytuł:
    Fatigue failure study of fiberglass sucker rods joints
    Autorzy:
    Kopey, B. V.
    Bednarz, S.
    Shuanjui, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/298625.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    fiberglass
    sucker rod
    steel head
    bending stress
    fatigue strength
    Opis:
    Fiberglass sucker rods are fiberglass rods (body) of polymeric composite materials (PCM), which are connected with steel heads. In this paper, an analysis of the fatigue strength of joints of fiberglass sucker rod under different bending stresses is performed and from this the key indicators of fatigue strength are derived. The main scope of fiberglass sucker rod is the use in aggressive environment because the plastic and glass fiber is not exposed to corrosion. Long-term strength and durability of operation – it’s the most important characteristics used in the design and operation realized in sucker rod, made of polymer composite materials (PCM). The aging of polymers and fiberglass sucker rod fracture leads to an emergency in the operation of oil wells and need to execute the workover. Based on the found contact problem solving using computers strength characteristics of the compounds were analyzed, dependence of contact pressure on the value of shear compliances of shell material, orthotropy option, size of joint were obtained.
    Źródło:
    AGH Drilling, Oil, Gas; 2016, 33, 1; 31-37
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of pumping unit reducers diagnostic algorithms by formalized methods
    Analiza algorytmów diagnostyki reduktorów jednostek pomp za pomocą metod formalnych
    Autorzy:
    Kopey, B. V.
    Stefanyshyn, O. I.
    Bednarz, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/299165.pdf
    Data publikacji:
    2012
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    jednostka pomp
    reduktor
    przekładnie
    uszkodzenia
    model diagnostyczny
    algorytm
    pumping unit
    reducer
    gears
    defect
    diagnostic model
    algorithm
    Opis:
    Diagnostic model of pumping unit reducer is designed for the construction and analysis of algorithms by diagnosing formalized methods. The using of the diagnostic model allows us to ease and formalize decisions on the diagnostic problem. For the synthesis of algorithm for diagnosing the functional-logical model has been selected, which allows to consider the links between individual elements and assemblies of the reducer by simple means and consider the impact of these items on measuring diagnostic features. For a more detailed study of processes occurring in the gearbox of pumping unit, and facilitate the development of its diagnostic model, a functional diagram of reducing gear was built. Diagnostic logic model will help to establish and classify defects in development, to determine the direction of their development and cause-effect relationship with other defects.
    Diagnostyczny model reduktora jednostki pomp zaprojektowano w celu zbudowania i przeanalizowania algorytmów za pomocą metod formalnych. Wykorzystanie modelu diagnostycznego ułatwia i formalizuje proces decyzyjny w kwestiach diagnostyki. W celu scalenia algorytmu diagnostycznego zastosowano model funkcjonalno-logiczny umożliwiający przeanalizowanie powiązań między poszczególnymi elementami a zestawami reduktora za pomocą prostych środków oraz rozważenie wpływu tych elementów na pomiar cech diagnostycznych. W celu umożliwienia bardziej szczegółowych badań procesów występujących w skrzyni przekładniowej jednostki pomp oraz w celu opracowania modelu diagnostycznego stworzono funkcjonalny schemat przekładni redukcyjnej. Logiczny model diagnostyczny pozwoli ustalić i sklasyfikować pojawiające się uszkodzenia, określić ich kierunek rozwoju oraz mechanizmy przyczynowo-skutkowe z innymi uszkodzeniami.
    Źródło:
    AGH Drilling, Oil, Gas; 2012, 29, 1; 207-215
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prediction of pumping units reducers resource
    Autorzy:
    Kopey, B. V.
    Bednarz, S.
    Steafanyshyn, O. I.
    Powiązania:
    https://bibliotekanauki.pl/articles/299209.pdf
    Data publikacji:
    2014
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    pumping unit
    reducer
    vibration
    monitoring
    residual resource
    sensor
    Opis:
    Periodic monitoring of pumping units reducer vibration allow for a prediction of its full or residual resource to the next repair, which can be estimated on the basis of extrapolation methods and classification . Considering these two methods, we can say that the advantage extrapolation method has its accuracy and the possibility of adaptation to each specific gear, and the disadvantages include its complexity and the need to respect the conditions of constant change over time the vibration characteristics of the selected gear by law. In the application of classification method, which is simple, you need to process a certain amount of statistical data derived from the operation of machines, swing or perform experiments on a special stand that is relatively complex. In addition, the practice shows that the use of statistical techniques often makes accurate predictions due to the large gap modes of machines, swing and various properties of the pumped wells product, so the decision was made in solving this problem use the method of construction and extrapolation of time trend change of gear operating parameters. In Borislav CBPC the diagnostic examination of a number of reducers RN -2300 were conducted and the optimal level of vibration determined, whereby it can be concluded the qualitative repair of this type of gear . Some sensors during testing were installed on the gear housing near the output shaft. The average frequency of rotation of the input shaft gear was during vibroobservations was obtained respectively: /vh = 3.9 Hz and /vh = 3.53 Hz. Processing of the results was conducted by software MathCAD. Acceptable level of vibration that is recommended by standard GOST ISO 8579-2-2002 for gear RN -2300 is 8.3 mm / s, which can be used to determine its suitability for further exploitation . According to calculations conducted by an appropriate method the acceptable level of vibration above mentioned gear is 3.1 mm / s. These valid values are in good agreement with the experimental values and have a lower level compared to the standard recommendations. According to conducted researches the curve of resource prediction for gear of pumping unit has been plotted. Thus, the expected service life of the gear RN -2300 of pumping unit will be approximately 36-38 thousand hours.
    Źródło:
    AGH Drilling, Oil, Gas; 2014, 31, 1; 117-122
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of changes in operating power of gasmotocompressors 10 GKN on the diagnostic signs of connecting rod bearings defects
    Autorzy:
    Kopey, B. V.
    Galiy, S. I.
    Bednarz, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/299247.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    gas compressor station
    diagnostics
    defects
    vibration
    Opis:
    The increasing of gasmotocompressors (GMC) reliability, operated on the booster compressor stations, underground gas storages with significant deterioration of the park units are the actual problems. The greatest attention should be paid timely detection of conrod bearings defects for the prevention of necks crankshaft scoring. Statistics increase of late crank bearings defects shows that scheduled repairs not ensure reliable operation of GMC. Improving the reliability of GMC through the detection in time the crank bearings defects is only possible using the methods and diagnostic tools for calculating the probability of failure-free operation, equipment failure rate during its operation. Increased probability of crank bearings defects detection is possible by the determination of dependence of levels of crank bearings vibration on gasmotocompressors 10 GKN operational capacity. For efficient conducting of connecting rod vibration condition monitoring on units with different power the software was developed and methods of using the obtained models depending on the power levels of vibration were elaborated.
    Źródło:
    AGH Drilling, Oil, Gas; 2013, 30, 1; 145-150
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mathematical model of gas-liquid-sand mixture separation in the four-phase separator of inertial type for subsea application
    Autorzy:
    Kopey, B. V.
    Kryvonozhko, T. A.
    Liakh, M. M.
    Yuriev, E. V.
    Powiązania:
    https://bibliotekanauki.pl/articles/299239.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    separator
    four-phase
    efficiency
    subsea
    oil
    gas
    water
    sand
    Opis:
    In this article the construction and mathematical model of four-phase separator is realized, which is based on inertial separation mechanism of gas-liquid-sand mixture. Also we have put the problem on the basis of this model to obtain the dependence of separator efficiency on the parameters which play a crucial role in the technological process of separating gas-oil-water-sand mixture into a solid, liquid and a gas phase.
    Źródło:
    AGH Drilling, Oil, Gas; 2016, 33, 2; 361-377
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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