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Optimization of lift-gas allocation using dynamic programming

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2 Author(s)
P. Nakashima ; Graduate Program in Electr. Eng., Fed. Univ. of Santa Catarina, Florianopolis, Brazil ; E. Camponogara

The continuous gas-lift method is one of the most used artificial lifting techniques in which the allocation of gas injection rates is a very important optimization problem. In this work, we develop a dynamic programming (DP) algorithm that solves the profit maximization problem for a cluster of oil wells producing via gas lift, with multiple well performance curves (WPCs) and constrained by the amount of lift gas available for injection. The algorithm is a low-cost and high-efficiency decision support tool that outperforms alternative methods found in the literature.

Published in:

IEEE Transactions on Systems, Man, and Cybernetics - Part A: Systems and Humans  (Volume:36 ,  Issue: 2 )