Controle automático para injeção otimizada de gás em poços de petróleo equipados para funcionamento com gás lift contínuo
SPINDOLA, Rafael Barbosa. Controle automático para injeção otimizada de gás em poços de petróleo equipados para funcionamento com gás lift contínuo. 2003. 117 f. Dissertação (Mestrado em Automação e Sistemas; Engenharia de Computação; Telecomunicações) - Universidade Federal do Rio Grande do Norte, Natal, 2003.
Spindola, Rafael Barbosa
The continuous gas lift method is the main artificial lifting method used in the oil industry for submarine wells, due to its robustness and the large range of flow rate that the well might operate. Nowadays, there is a huge amount of wells producing under this mechanism. This method of elevation has a slow dynamics due to the transients and a correlation between the injected gas rate and the of produced oil rate. Electronics controllers have been used to adjust many parameters of the oil wells and also to improve the efficiency of the gas lift injection system. This paper presents a intelligent control system applied to continuous gas injection in wells, based in production s rules, that has the target of keeping the wells producing during the maximum period of time, in its best operational condition, and doing automatically all necessary adjustments when occurs some disturbance in the system. The author also describes the application of the intelligent control system as a tool to control the flow pressure in the botton of the well (Pwf). In this case, the control system actuates in the surface control valve
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Canesin, C. A.; Gonçalves, F. A S; Leandro, E.; Pinto, J. O P
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Universidad de Los Andes