Otimização dos parâmetros de um modelo de bomba em sistemas de bombeio centrífugo submerso
One of several techniques applied to production processes oil is the artificial lift, using equipment in order to reduce the bottom hole pressure, providing a pressure differential, resulting in a flow increase. The choice of the artificial lift method depends on a detailed analysis of the some f...
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| Médium: | masterThesis |
| Jazyk: | por |
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Universidade Federal do Rio Grande do Norte
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| Témata: | |
| On-line přístup: | https://repositorio.ufrn.br/jspui/handle/123456789/20056 |
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| Shrnutí: | One of several techniques applied to production processes oil is the artificial lift, using
equipment in order to reduce the bottom hole pressure, providing a pressure differential,
resulting in a flow increase. The choice of the artificial lift method depends on a
detailed analysis of the some factors, such as initial costs of installation, maintenance,
and the existing conditions in the producing field. The Electrical Submersible Pumping
method (ESP) appears to be quite efficient when the objective is to produce high liquid
flow rates in both onshore and offshore environments, in adverse conditions of
temperature and in the presence of viscous fluids. By definition, ESP is a method of
artificial lift in which a subsurface electric motor transforms electrical into mechanical
energy to trigger a centrifugal pump of multiple stages, composed of a rotating impeller
(rotor) and a stationary diffuser (stator). The pump converts the mechanical energy of
the engine into kinetic energy in the form of velocity, which pushes the fluid to the
surface. The objective of this work is to implement the optimization method of the
flexible polyhedron, known as Modified Simplex Method (MSM) applied to the study of
the influence of the modification of the input and output parameters of the centrifugal
pump impeller in the channel of a system ESP. In the use of the optimization method by
changing the angular parameters of the pump, the resultant data applied to the
simulations allowed to obtain optimized values of the Head (lift height), lossless
efficiency and the power with differentiated results. |
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