Browsing NTNU Open by Author "Silva, Thiago Lima"
Now showing items 1-13 of 13
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Compact Formulations for Efficient Early-Phase Field Development Optimization of Multi-Reservoir Fields
Lei, Guowen; Silva, Thiago Lima; Stanko, Milan (Peer reviewed; Journal article, 2021)A compact formulation has been developed to efficiently optimize early-stage field development planning of multi-reservoir fields. The proposed formulation is a mixed-integer linear programming model which employs ... -
Derivative-free trust region optimization for robust well control under geological uncertainty
Silva, Thiago Lima; Bellout, Mathias; Giuliani, Caio M.; Camponogara, Eduardo; Pavlov, Alexey (Peer reviewed; Journal article, 2022)A Derivative-Free Trust-Region (DFTR) algorithm is proposed to solve the robust well control optimization problem under geological uncertainty. Derivative-Free (DF) methods are often a practical alternative when gradients ... -
Dither signal optimization for multi-agent extremum seeking control
Silva, Thiago Lima; Pavlov, Alexey (Chapter, 2020)In this paper we formulate and solve the problem of multi-agent extremum seeking with dither signals optimization. The solution is a distributed perturbation-based extremum-seeking controller with an additional objective ... -
Dither signals optimization in constrained multi-agent extremum seeking control
Silva, Thiago Lima; Pavlov, Alexey (Peer reviewed; Journal article, 2021)In this paper we consider the problem of optimization of a multi-agent system with constraints through perturbations-based extremum seeking control. We demonstrate that for such systems, effects of dither signals applied ... -
Efficient well placement optimization under uncertainty using a virtual drilling procedure
Kristoffersen, Brage Strand; Silva, Thiago Lima; Bellout, Mathias; Berg, Carl Fredrik (Peer reviewed; Journal article, 2021)An Automatic Well Planner (AWP) is used to efficiently adjust pre-determined well paths to honor near-well properties and increase overall production. AWP replicates modern geosteering decision-making where adjustments to ... -
Formulations for automatic optimization of decommissioning timing in offshore oil and gas field development planning
Lei, Guowen; Stanko, Milan; Silva, Thiago Lima (Journal article; Peer reviewed, 2022)A mathematical programming formulation has been developed to optimize the drilling program, the production allocation, and the decommissioning time in early-stage field development planning. Various abandonment constraints ... -
Introducing Approximate Well Dynamics into Production Optimization for Operations Scheduling
Hulse, Eduardo O.; Silva, Thiago Lima; Camponogara, Eduardo; Rosa, Vinicius R.; Vieira, Bruno F.; Furtado, Alex Teixeira (Journal article; Peer reviewed, 2020)Most of the literature on short-term production optimization concerns the computation of optimal system settings for steady-state operations. Such methodologies are applicable when the scales of time are faster than reservoir ... -
A Mathematical Programming Approach to Determine Optimal Tieback Development Concepts of Two Offshore Oil Fields in the Barents Sea
Lei, Guowen; Silva, Thiago Lima; Stanko, Milan (Chapter, 2021)In this paper, we present a mathematical programming approach to evaluate the conceptual study of regional integrated development for Alta-Gohta discoveries in the Barents Sea. Two alternative scenarios are investigated, ... -
Network-Constrained Production Optimization by Means of Multiple Shooting
Silva, Thiago Lima; Codas, Andrés; Stanko, Milan; Camponogara, Eduardo; Foss, Bjarne Anton (Journal article; Peer reviewed, 2019)A methodology is proposed for the production optimization of oil reservoirs constrained by gathering systems. Because of differences in scale and simulation tools, production optimization involving oil reservoirs and ... -
Nondisturbing extremum seeking control for multi-agent industrial systems
Haring, Mark A. M.; Fossøy, Synne; Silva, Thiago Lima; Pavlov, Alexey (Peer reviewed; Journal article, 2022)Industrial applications of extremum seeking control (ESC) can be a hit and miss affair. Although a gain in performance can be achieved, the dither applied to excite the system causes unwanted fluctuations in the performance ... -
Real time optimization of systems with fast and slow dynamics using a lookahead strategy
Andersen, Joakim Rostrup; Silva, Thiago Lima; Imsland, Lars Struen; Pavlov, Alexey (Chapter, 2020)Systems with fast and slow dynamics give rise to objectives in different time scales which may not be aligned. The existing dynamic optimal control methods might become computationally infeasible due to the fine discretization ... -
Reduced well path parameterization for optimization problems through machine learning
Kristoffersen, Brage Strand; Bellout, Mathias; Silva, Thiago Lima; Berg, Carl Fredrik (Peer reviewed; Journal article, 2021)In this work we apply a recently developed machine learning routine for automatic well planning to simplify well parameterization in reservoir simulation models. This reduced-order parameterization is shown to be beneficial ... -
The Use of Mathematical Programming to Determine Optimal Production and Drilling Schedule in an Offshore Oil Field, A Case Study From the Barents Sea
Lei, Guowen; Stanko Wolf, Milan Edvard; Silva, Thiago Lima; Widerøe, Tom; Skogvang, Arnljot (Chapter, 2021)A field with two neighboring reservoirs was discovered in the Barents Sea in 2013 and 2014. After a successful extended well test of an appraisal well in 2018 and initial field planning tasks, a preliminary drilling and ...