Integrated optimisation of multiple reservoirs in shared production systems
by João Carlos Von Hohendorff Filho; Denis José Schiozer
International Journal of Oil, Gas and Coal Technology (IJOGCT), Vol. 30, No. 2, 2022

Abstract: The main objective of this study is to present efficient methodologies of integrated optimisation to achieve an optimised water injection scheme for the sandstone and carbonate reservoirs, both sharing the same platform. In the 'A' methodology, the integration takes place in an intermediate stage of the assisted optimisation process. In the 'B' methodology, the integration takes place in all stages of the optimisation. The two assisted methodologies proposed to optimise the production system were efficient in reaching the final production strategy and achieved an optimised production strategy in relation to the number and positioning of wells, at different total times. We found significant difference in production forecasting but similar results in the production strategy and the NPV of the optimised project, which highlights the importance of its incorporation into the optimisation processes. However, we have also shown that the integration can be efficiently included in an intermediate stage of the optimisation. [Received: March 3, 2021; Accepted: April 27, 2021]

Online publication date: Wed, 04-May-2022

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