Field Applications Of Subsea Electrical Submersible Pumps In Brazil

Ribeiro, Marcos Pellegrini; Oliveira, P. da Silva; Matos, J.S. de; Silva, J.E. Mendonça da

doi:10.4043/17415-ms

Cited by 10 publications

(7 citation statements)

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“…Also, since they are installed downhole, the cost of intervention in case of failure will be high. However, a design developed by Petrobras in conjunction with Brazilian University and joint industry project (JIP), integrates a fluid expansion chamber and helix with a high power, high reliability ESP, and therefore they operate for years at high flow rate and in harsh environments 18,10 .…”

Section: Boostingmentioning

confidence: 99%

“…The first use of subsea electrical submersible pump was made by Petrobras in 1994 following the success of a prototype testing in subsea well RJS-221. Through the PROCAP 3000 Program, ESPs have been operated at over 1000m producing up to3774 bbl/d with 40% free gas, while a typical pump can handle more than 3145 bbl/d of fluid 18 .…”

Section: Boostingmentioning

confidence: 99%

“…Its effect reduces the back pressure on the reservoir thereby increasing production rate given the same draw down. Subsea booster pumps could be single phase or multiphase pumps and may be positioned downhole or on the seabed 18 . This technology is the most mature subsea processing technology.…”

Section: Boostingmentioning

confidence: 99%

“…After separating the fluid into its constituent phases, the Tordis separator recombines the oil and the gas for pumping by the multiphase pump 7,18 . This separator can be re-configured to combine the separated water and gas (instead of oil and gas) before disposal by a multiphase pump into the reservoir.…”

Section: Re-injectionmentioning

confidence: 99%

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Subsea Processing: A Holistic Approach to Marginal Field Developments

2012

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DescriptionThe application of Full Subsea Processing (FSP) to develop remotely located marginal fields in Offshore West Africa is an attractive option for breaking the techno-economic barriers which have long hindered the development of these fields. Some of the fields have remained marginal and unproduced over the years, arguably, due to incorrect estimates in recoveries and economics occasioned by erroneous estimates in basic input parameters. Therefore, the right method of application for developing marginal fields must be sought to ensure that both National and International Operating Companies partake in the development of these fields.The present paper explores the use of full subsea processing technology to develop marginal fields economically. ApplicationThe economic development of marginal fields in Offshore West Africa poses huge technology challenges. These challenges are further complicated as the field is located offshore with long step-out distance from existing processing facilities. A good number of such fields exist in Nigeria with no concrete plans in place yet to develop them due to the challenges involved.Subsea processing which has recently gained broader acceptance in the industry offers a viable and attractive method of developing such fields. Results, Observations, ConclusionsExtensive qualification of the different technologies available for carrying out FSP has been conducted and their various readiness levels determined. A systematic analysis of an existing marginal field has also been done to reveal the enormous advantages stemming from the application of FSP. Increased recovery and reduced OPEX have been established as vital incentives for developing marginal fields economically. Various methods of overcoming the long distance associated with remote fields are developed and the best method which incorporates a floating storage unit (FSU) identified. A holistic approach which considers developing a group of fields together rather than a single field at a time is adopted to develop the remote offshore marginal fields in offshore West Africa. 2 OTC 22860

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Section: Boostingmentioning

confidence: 99%

Section: Boostingmentioning

confidence: 99%

Section: Boostingmentioning

confidence: 99%

Section: Re-injectionmentioning

confidence: 99%

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Subsea Processing: A Holistic Approach to Marginal Field Developments

2012

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“…Segundo Ribeiro et al (2005), a Petrobrás S.A. é pioneira no uso de bombas centrifugas submersas submarina em águas profundas, por meio de um teste do protótipo bem sucedido em um poço submarino, em 1994. Este tipo de bombeio consiste na transmissão de energia elétrica, por meio de cabo elétrico, para um motor de sub-superfície imerso no óleo, no fundo do poço.…”

Section: Introductionunclassified

Controle fuzzy-pid de um sistema de bombeio centrifugo submerso

Souza¹,

Torres²,

Schnitman³

2013

Proceeding Series of the Brazilian Society of Computational and Applied Mathematics

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Abstract:The Electrical Submersible Pump (ESP) is one of the methods used for artificial lift of oil. Thus, this paper proposes the use of Fuzzy-PID control technique to control the level of dynamic fluid in the annular well, even in the presence of uncertainty and dynamics not modeled. This nonlinear controller is able to track and monitor a system, also non-linear. The Laboratório de Elevação Artificial (LEA), da Escola Politécnica da Universidade Federal da Bahia, has a plant ESP with a oil well 32m instrumented, in a laboratory environment that favorece the development of studies and research, among others, in the control area. The aim of this study is to control the level of viscous fluid (oil) in the annular well. The results obtained with the method of fuzzy PID control in the simulated environment shows that there is stability in the control signal and response of the controlled plant.Keywords: Fuzzy-PID Control, Hybrid Control, Intelligent Control, ESP, Artificial Lift Oil.Resumo: O Bombeio Centrifugo Submerso (BCS) é um dos métodos aplicados para a elevação artificial de petróleo. Assim, este artigo propõe o uso de técnica de controle Fuzzy-PID para controlar o nível dinâmico de fluido no anular do poço, mesmo na presença de incertezas e dinâmicas não modeladas. Este controlador não-linear é capaz de controlar um sistema, também não-linear. O Laboratório de Elevação Artificial (LEA), da Escola Politécnica da Universidade Federal da Bahia, dispõe de uma planta BCS com um poço de 32m de altura completamente instrumentado, num ambiente experimental que favorece o desenvolvimento de estudos e pesquisas, entre outros, na área de controle. O objetivo deste estudo é controlar o nível de fluido viscoso (óleo) no anular do poço. Os resultados obtidos com o método de controle Fuzzy-PID em ambiente simulado mostram que há estabilidade no sinal de controle e resposta da planta controlada. Palavras-chave:Controle Fuzzy-PID, Controle Híbrido, Controle Inteligente, BCS, Elevação Artificial de Petróleo.

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