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Keywords: constraint
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Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, March 28–30, 2023
Paper Number: SPE-212178-MS
... Summary Life-cycle production optimization is a crucial component of closed-loop reservoir management, referring to optimizing a production-driven objective function via varying well controls during a reservoir's lifetime. When nonlinear-state constraints (e.g., field liquid production rate...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, March 28–30, 2023
Paper Number: SPE-212188-MS
.... Ensemble Smoother with Multiple Data Assimilation (ESMDA) is utilized to reduce the error at each step of the history matching. Next, a best-matched candidate is selected for numerical optimization to maximize oil production rates with constraints satisfying field conditions. Excellent history-matching...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, March 28–30, 2023
Paper Number: SPE-212228-MS
... efficiency, are considered. Appropriate linear and nonlinear constraints, involving the geometry of the well configuration, injection rates, and injected mass (for pressure management), are specified. Two derivative-free algorithms, particle swarm optimization (PSO) and differential evolution (DE...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-203934-MS
... conditions) and show that with the proper implementation of physical constraints, a robust solution can be trained within a reasonable amount of time and iterations. We revisit some of the limitations presented in previous work [ 1 ] and further the applicability of this method in a forward, pure hyperbolic...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-203954-MS
... Abstract When coupling reservoir simulators to surface network solvers, an often used strategy is to perform a rule or priority-driven allocation based on individual well and group constraints, augmented by back-pressure constraints computed periodically by the network solver. The allocation...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-203979-MS
... n f . The force balance of the internal boundary is implemented with contact and stick constraints. Geomechanics Under dynamic conditions, linear, poroelastic momentum conservation is required allowing resolution of the onset of the rupture and injection-induced seismic events. We solve...
Proceedings Papers
Changdong Yang, Jincong He, Song Du, Zhenzhen Wang, Tsubasa Onishi, Xiaoyue Guan, Jianping Chen, Xian- Huan Wen
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-204004-MS
... management. In the coupled model the subsurface reservoir simulator generates well inflow performance relationship (IPR) curves which are used by the surface network model to determine well rates that satisfy surface constraints. In the proposed proxy model, the CPU intensive reservoir simulation...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193853-MS
... to effectively set all local constraints at various measured depths. This paper describes special constructs called "boundary segments" with a similar set of flow rate and pressure control modes to those available for tubinghead or bottomhole well control. In a multisegment well model whose topology consists...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193835-MS
... simulator. NVWM can satisfy this condition as it uses the same set of variables as for reservoir solution. Moreover, this will allow for reuse of many reservoir solution computations (e.g., property calculation, accumulation term, equilibrium constraints) and thus the development can be more efficient...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193889-MS
... i j such that sup U ‖ U − U ¯ ) ‖ H ‖ U ‖ L 2 ≤ C 0 where C 0 is a uniform constant and U ¯ ∈ span { ϕ i j } . The above supremum is taken over all fine scale functions U with the following constraint (6...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193920-MS
..., with a large historical (70y) and prediction (200y) time periods, 10s of millions of cells and thousands of wells, many injection and production constraints and drilling targets. Each of these giant fields requires a parallel supercomputer to run each individual model in a reasonable time. To couple many...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193925-MS
... Abstract Solving a large-scale optimization problem with nonlinear state constraints has proven to be challenging when adjoint gradients are not available for computing the derivatives needed in the basic optimization algorithm employed. Here, we present a methodology for the solution...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193923-MS
... and constraints, (ii) interact with software to identify, screen, and maximize the opportunity, (iii) interact with reservoir to understand the physics for meaningful solutions, and (iv) interact with candidate solutions for the most rigorous one. Data analytics is used in this interactive workflow, boosting...
Proceedings Papers
Gilles Darche, Rémy Marmier, Pierre Samier, Romain Bursaux, Nicolas Guillonneau, Jérôme Long, Hernani Kalunga, Rustem Zaydullin, Hui Cao
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193929-MS
... constraints are imposed on the production facilities, for example through a fixed pressure the FPSO, and they will act as the main constraint for the overall coupled simulation. Therefore, the modeling workflow then has to manage the flow behavior in the networks to dynamically update the wellhead pressures...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182705-MS
... together, the constraints that minimum distance between any two well trajectories is greater than or equal to a prescribed distance are also enforced in this paper. To the best of our knowledge, this paper presents the first illustration of the joint optimization of well placement and control...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182727-MS
... several numerical experiments, we show that the proposed formulation offers a flexible facies model calibration approach that can be applied to problems with multiple facies types. An important aspect of this method is that it incorporates the discreteness of the underlying structure as a soft constraint...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182640-MS
... Abstract In a fully integrated reservoir model consisting of one or more reservoirs and a surface network of complex wells and facilities, determining the active constraints in the network, while ensuring that the network equations are nonsingular, is a challenge. This paper introduces...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182642-MS
... production optimization formulation that explicitly incorporates both NPV and rate of return. As such, this approach may represent an alternative to existing treatments that entail the bi-objective optimization of long-and short-term NPV. investment trajectory Artificial Intelligence constraint...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182611-MS
... steam from escaping the steam chamber into the production well. A numerical steam-trap based on thermodynamic approach was implemented by Edmunds (1998) and it has been used in simulations with Sink/Source or more advanced wellbore models in commercial codes. In this approach, a hard constraint...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182639-MS
... constraint RML method machine learning reservoir simulation objective function unconditional realization Artificial Intelligence history matching computational cost realization Reynolds base case global-dgn rml method production data algorithm green curve Bayesian Inference Upstream Oil...
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