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Dissertations / Theses on the topic 'Multiphase pumps'

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Published: 28 May 2022

Last updated: 31 July 2025

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1

Loh, Wai Lam. "Boosting of multiphase flows using multiphase jet pumps." Thesis, University of Manchester, 2000. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.549306.

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2

Chan, Evan. "Wet-gas compression in twin-screw multiphase pumps." Thesis, [College Station, Tex. : Texas A&M University, 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1178.

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3

Nikhar, Hemant G. "Flow assurance and multiphase pumping." [College Station, Tex. : Texas A&M University, 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1180.

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4

Mei, Tian Xiang. "Control strategies for a subsea multiphase electric pump system." Thesis, Loughborough University, 1994. https://dspace.lboro.ac.uk/2134/27059.

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This thesis presents the design, simulation and real time implementation of control strategies of a subsea multiphase electric pump system, which consists of a pair of piston type pumps, a permanent magnet linear synchronous motor (PLSM) , a voltage source inverter and a control unit. The pump is required to operate efficiently and effectively for pure oil, pure gas, and for a mixture of the two.

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5

Räbiger, Klaus Edmund. "Fluid dynamic and thermodynamic behaviour of multiphase screw pumps handling gas-liquid mixtures with very high gas volume fractions." Thesis, University of South Wales, 2009. http://hdl.handle.net/10265/561.

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6

Dupoiron, Marine Agnes Nicole. "The effect of gas on multi-stage mixed-flow centrifugal pumps." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/273361.

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The production from an oil reservoir is a mixture of liquids (oil and water) and gas, and is often maintained by using a pump placed in the well to ensure a continuous flow to the surface. Electrical Submersible Pumps consist of stacked centrifugal pump stages, each comprising a bladed impeller (rotating part) and diffuser (stationary part). In multiphase conditions, the gas tends to accumulate in the impeller, severely reducing the pressure produced by the pump. Radial-flow pumps operate in a plane perpendicular to their rotation axis, while mixed-flow pumps are characterised by a lower merid

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7

Klein, Oliver. "Erosioncorrosion testing of materials for the use as screw materials in twin screw multiphase pumps in the oil and gas production industry." [S.l.] : [s.n.], 2007. http://deposit.ddb.de/cgi-bin/dokserv?idn=985093609.

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8

Castañeda, Jimenez German Efrain 1988. "Simulação do controle de escoamento multifásico em uma bomba centrífuga submersa - BCS : Simulation control of multiphase flow an electrical submersible pump - EPS." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265922.

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Orientador: Janito Vaqueiro Ferreira<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica<br>Made available in DSpace on 2018-08-24T20:57:24Z (GMT). No. of bitstreams: 1 CastanedaJimenez_GermanEfrain_M.pdf: 6173136 bytes, checksum: 10447f1e90575f51111560bad8f24df0 (MD5) Previous issue date: 2014<br>Resumo: Na indústria do petróleo é comum à utilização de bombas centrífugas submersas (BCS) operando em escoamento multifásico líquido-gás. A presença de elevadas vazões de gás causam uma degradação severa no desempenho da bomba, gerando instabilidades na

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9

Foresti, Bernardo Pereira 1983. "Métodos de diagnóstico de falhas aplicados à identificação de parâmetros do escoamento do bombeio centrífugo submerso." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265888.

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Orientador: Janito Vaqueiro Ferreira<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica<br>Made available in DSpace on 2018-08-26T00:41:26Z (GMT). No. of bitstreams: 1 Foresti_BernardoPereira_M.pdf: 7267999 bytes, checksum: 1a200bffc0e39d2a529a64080b7ddad0 (MD5) Previous issue date: 2014<br>Resumo: Neste trabalho buscou-se desenvolver uma metodologia que se valendo de dados de vibração estrutural de carcaça e da operação de uma bomba do bombeio centrífugo submerso (BCS) fosse capaz de identificar parâmetros da operação deste tipo de máquina, tais

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10

Paternost, Guilherme Miranda. "Estudo experimental sobre bomba centrífuga operando com fluido viscoso e escoamento bifásico gás-líquido." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265607.

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Orientador: Antonio Carlos Bannwart<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica e Instituto de Geociências<br>Made available in DSpace on 2018-08-22T07:33:01Z (GMT). No. of bitstreams: 1 Paternost_GuilhermeMiranda_M.pdf: 4957872 bytes, checksum: 34efcf3e5536aa84d89fa2b289df6cee (MD5) Previous issue date: 2013<br>Resumo: O bombeio centrífugo submerso (BCS) é o segundo método de elevação artificial mais utilizado em poços de petróleo no mundo. Nestes poços, o equipamento está sujeito à influência de fluidos viscosos e à presença de gás livre,

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11

Бобін, С. В. "Числовий аналіз двофазних торцевих та шпарових ущільнень". Thesis, Сумський державний університет, 2015. http://essuir.sumdu.edu.ua/handle/123456789/39756.

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Технологія багатофазного відкачування є єдиною промисловою технологією переробки в підводних установках. З використанням цієї технології є можливість безпосередньо перекачувати багатофазну суміш при мінімальному наборі устаткування. Багатофазні насоси також можуть використовуватись спільно з іншими технологічними схемами підводної переробки. Наприклад, в системі з частковою сепарацією здобутої рідини. В цьому випадку багатофазний насос є найкращим варіантом відкачування потоку рідини з деяким вмістом попутного газу. Якщо газ не виходить на поверхню під власним тиском, то багатофазний н

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12

Martinez, Ricardo Diana Marcela 1986. "Identificação da vazão de gás de uma bomba centrífuga em regime de escoamento multifásico através de dados experimentais : Identification of the gas flow of an electric submersible pump under multiphase flow thou experimental data." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265921.

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Orientador: Janito Vaqueiro Ferreira<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica<br>Made available in DSpace on 2018-08-24T20:08:14Z (GMT). No. of bitstreams: 1 MartinezRicardo_DianaMarcela_M.pdf: 3485991 bytes, checksum: 9bd64ce80b2e1c25ed98644d4f52fd64 (MD5) Previous issue date: 2014<br>Resumo: Este trabalho tem como objetivo desenvolver um processo de identificação da vazão de gás em um dos equipamentos usados na indústria petrolífera, às bombas centrífugas submersas (BCS) em regime de escoamento multifásico. Estas bombas apresentam falh

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13

Daun, Leandro Galvão 1987. "Estudo experimental da garantia de escoamento em curvas horizontais descendentes e aplicação à operação de um S-BCSS." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265636.

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Orientador: Antonio Carlos Bannwart<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica e Instituto de Geociências<br>Made available in DSpace on 2018-08-23T09:29:35Z (GMT). No. of bitstreams: 1 Daun_LeandroGalvao_M.pdf: 5084421 bytes, checksum: 56e4661dc939fdef8c0383b09f63721f (MD5) Previous issue date: 2013<br>Resumo: Os desafios tecnológicos na produção de petróleo e gás têm aumentado consideravelmente nos últimos anos devido à busca por segurança, redução de custos e otimização da produção, como indicado pelo grande número de estudos sobre a ga

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14

Xu, Jian. "Modeling of wet gas compression in twin-screw multiphase pump." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2808.

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15

Alwan, Abdulmalik Abdullah [Verfasser], and Wilhelm [Akademischer Betreuer] Dominik. "Numerical Reservoir Simulations of Multiphase Pump Operations on the Rütenbrock Sour Gas Field, Northwest-Germany / Abdulmalik Abdullah Alwan. Betreuer: Wilhelm Dominik." Berlin : Universitätsbibliothek der Technischen Universität Berlin, 2011. http://d-nb.info/1014827817/34.

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16

Steimes, Johan. "Performance study and modelling of an integrated pump and gas-liquid separator system: Optimisation for aero-engine lubrication systems." Doctoral thesis, Universite Libre de Bruxelles, 2013. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209365.

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A system able to simultaneously separate and pump a gas-liquid mixture was developed.<p>It works efficiently and can be used in many applications (nuclear power plants,<p>pulp and paper processing, petroleum extraction, etc.). However, this pump and separator<p>system (PASS) was especially designed to handle air-oil mixture generated in<p>aero-engine lubrication systems. The PASS combines three important functions of the<p>scavenge part of the lubrication system: the deaeration and deoiling of the air-oil mixture<p>generated in the bearing and gearbox sumps and the pumping of the oil towards<p

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17

Woollen, Peter. "Gas in engine cooling systems : occurrence, effects and mitigation." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/11740.

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The presence of gas in engine liquid cooling systems can have severe consequences for engine efficiency and life. The presence of stagnant, trapped gases will result in cooling system hotspots, causing gallery wall degradation through thermal stresses, fatigue and eventual cracking. The presence of entrained, transient gases in the coolant flow will act to reduce its bulk thermal properties and the performance of the system s coolant pump; critically the liquid flow rate, which will severely affect heat transfer throughout the engine and its ancillaries. The hold-up of gas in the pump s impell

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18

Nakashima, Celso Yukio. "Modelo de comportamento termodinâmico de uma bomba multifásica do tipo duplo parafuso." Universidade de São Paulo, 2000. http://www.teses.usp.br/teses/disponiveis/3/3132/tde-30032001-133215/.

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Esse trabalho apresenta um modelo termodinâmico de uma bomba multifásica do tipo duplo parafuso. Para uma dada condição de operação, o modelo calcula a potência consumida, as condições do fluido na descarga e o perfil de pressão ao longo da bomba. Ao invés de simular diretamente o escoamento dentro da bomba, simulou-se os processos que ocorrem dentro das suas câmaras. Para tanto, dividiu-se o processo de bombeamento multifásico em uma seqüência de processos simples, facilitando-se a construção do modelo no simulador de processos Hysys.Process v2.1. Os resultados de potência e temperatura de d

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19

Pioltine, André. "Avaliação do desempenho de bomba multifásica na geração de microbolhas de ar para o processo de flotação por ar dissolvido aplicado ao pré-tratamento de efluente de indústria têxtil." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/18/18138/tde-02062009-101646/.

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A flotação por ar dissolvido (FAD) é um método de separação de fases bastante utilizado em sistemas de tratamento de efluentes industriais. Nos últimos 20 anos, numerosos avanços têm contribuído para uma maior eficiência deste processo. Entre estes, podem-se citar os avanços nos métodos para a saturação de ar na água. Atualmente tem-se realizado estudos com a utilização de bombas multifásicas em substituição às unidades de saturação tradicionais, com vistas a se buscar maior simplicidade e facilidade operacional, aliados à menor necessidade de manutenção periódica da unidade de saturação. Dest

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20

Azevedo, Victor Wagner Freire de. "Simula??o do escoamento multif?sico no interior de bombas de cavidades progressivas met?licas." Universidade Federal do Rio Grande do Norte, 2012. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15688.

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Made available in DSpace on 2014-12-17T14:58:16Z (GMT). No. of bitstreams: 1 VictorWFA_DISSERT.pdf: 4406666 bytes, checksum: 17531cab6caf785a3e82578d15d0e5d9 (MD5) Previous issue date: 2012-11-05<br>The progressing cavity pumping (PCP) is one of the most applied oil lift methods nowadays in oil extraction due to its ability to pump heavy and high gas fraction flows. The computational modeling of PCPs appears as a tool to help experiments with the pump and therefore, obtain precisely the pump operational variables, contributing to pump s project and field operation otimization in the respecti

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21

Duque, Jose Luis Gerardo Ramirez. "Modelagem e simulação de uma bomba multifásica de duplo parafuso com recirculação interna." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/3/3150/tde-09122016-104642/.

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As crescentes exigências sobre o desempenho de sistemas de bombeamento multifásico combinadas aos aspectos relacionados com a maior disponibilidade operacional desses sistemas, bem como as futuras condições de funcionamento atingindo pressões perto de 150 bar, destacam a importância de desenvolver modelos matemáticos precisos para prever o comportamento do desempenho nestes equipamentos. Nesta tese foi aperfeiçoado o modelo termo-hidráulico de uma bomba multifásica de tipo duplo parafuso desenvolvido por Nakashima (2005) e foram incluídos os efeitos da abertura gradual da última câmara, recirc

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22

Narayanan, Shankar Bhaskaran. "Fluid Dynamic and Performance Behavior of Multiphase Progressive Cavity Pumps." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-08-9693.

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It is common for an oil well to produce a mixture of hydrocarbons that flash when exposed to atmospheric pressure. The separation of oil and gas mixtures on site may prove expensive and lead to higher infrastructure and maintenance costs as well. A multiphase pump offers a good alternative with a lower capital cost and increased overall production. A Progressive Cavity Pump (PCP) is a positive displacement pump type that can be used to pump a wide range of multiphase mixtures, including high viscosity fluids with entrained gas and solid particles in suspension. Despite its advantages, a PC

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23

Patil, Abhay. "Performance Evaluation and CFD Simulation of Multiphase Twin-Screw Pumps." Thesis, 2013. http://hdl.handle.net/1969.1/150982.

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Twin-screw pumps are economical alternatives to the conventional multiphase system and are increasingly used in the oil and gas industry due to their versatility in transferring the multiphase mixture with varying Gas Void Fraction (GVF). Present work focuses on the experimental and numerical analysis of twin-screw pumps for different operating conditions. Experimental evaluation aims to understand steady state and transient behavior of twin-screw pumps. Detailed steady state evaluation helped form better understanding of twin-screw pumps under different operating conditions. A comparative stu

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24

(8090501), Ashutosh Pandey. "Computational Analyses of the Unsteady, Three Dimensional Multiphase Flow in a Liquid Ring Vacuum Pump." Thesis, 2019.

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<div>Vacuum is needed in many applications and, there are many types of pumps that can provide the vacuum level needed. One widely used pump is the liquid-ring vacuum pump, which does not involve any solid-solid contacts at interfaces where moving and stationary parts meet. Though liquid-ring vacuum pumps are efficient and robust, manufacturers have aggressive goals on improving efficiency, performance, and range of operations.</div><div> </div><div> In this research, time-accurate computational fluid dynamic (CFD) analyses were performed to study the flow mechanisms in a liquid-ring vacuum

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25

Klein, Oliver [Verfasser]. "Erosioncorrosion testing of materials for the use as screw materials in twin screw multiphase pumps in the oil and gas production industry / presented by Oliver Klein." 2007. http://d-nb.info/985093609/34.

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26

Kirkland, Klayton 1965. "Design and Fabrication of a Vertical Pump Multiphase Flow Loop." Thesis, 2012. http://hdl.handle.net/1969.1/148339.

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A new centrifugal pump has been devised to handle two-phase flow. However, it requires full scale testing to allow further development. Testing is required to verify performance and to gain information needed to apply this design in the field. Further, testing will allow mathematical models to be validated which will allow increased understanding of the pump's behavior. To perform this testing, a new facility was designed and constructed. This facility consists of a closed flow loop. The pump is supplied by separate air and water inlet flows that mix just before entering the pump. These flows

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27

Kroupa, Ryan Daniel. "Investigation of a Multiphase Twin-screw Pump Operating at High Gas Volume Fractions." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-05-9099.

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The use of twin-screw pumps for moving fluids is not new technology but its application to wet gas compression (high gas volume fraction [GVF]) is still considered relatively new. There are many advantages for using twin-screw pumps for oil field applications; three of the immediate improvements include reducing hardware costs, reducing well bore pressure, and producing a pressure boost to move the product to a central collection facility. While there are many advantages to using twin-screw pumps in wet gas applications, there are some problems that have been encountered while operating a

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28

Rasmy, Marsis Emanuel 1983. "CFD Simulation and Experimental Testing of Multiphase Flow Inside the MVP Electrical Submersible Pump." Thesis, 2012. http://hdl.handle.net/1969.1/148052.

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The MVP is a special type of Electrical Submersible Pumps (ESPs) manufactured by Baker Hughes, model no. G470, and is capable of handling multiphase flow up to 70% Gas Volume Fraction (GVF). Flows at high GVF cause conventional ESPs to surge. However, the special design of the impeller blades of the MVP ESP enables it to handle higher GVF. Dynamic behavior of the multiphase flow is studied experimentally and theoretically for this pump for the first time. In this work, a Computational Fluid Dynamics (CFD) simulation of an entire pump and detailed experimental analysis are performed. Meshing an

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29

Glier, Michael W. "An Experimental Examination of a Progressing Cavity Pump Operating at Very High Gas Volume Fractions." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-05-9238.

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The progressing cavity pump is a type of positive displacement pump that is capable of moving nearly any fluid. This type of pump transports fluids in a series of discrete cavities formed by the helical geometries of its rigid rotor and elastomeric stator. With appropriate materials for the rotor and stator, this pump can move combinations of liquids, suspended solids, and gasses equally well. Because of its versatility, the progressing cavity pump is widely used in the oil industry to transport mixtures of oil, water, and sediment; this investigation was prompted by a desire to extend the use

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