UNISIM-IV: Overview
UNISIM-IV is an open-source benchmark with geological and operational characteristics of Brazilian pre-salt fields, consisting of a light-oil carbonate reservoir with high CO2 content.
The benchmark is divided into four different cases (UNISIM-IV-2019, UNISIM-IV-2022, UNISIM-IV-2024, and UNISIM-IV-2026). The differences relate mainly to the stage of the field’s life cycle and period of production history.
The provided data include: (1) a set of prior uncertainties for probabilistic studies, (2) production, injection, and history data, and (3) a simulation model suggested as a base case or in nominal approaches.
- UNISIM-IV-R: Model Description
- UNISIM-IV-2019: Case study for field development
- UNISIM-IV-2022: Case study for field management
- UNISIM-IV-2024: Case study for field management
- UNISIM-IV-2026: Case study for field management
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UNISIM-IV Publications
MoreSaturation and pressure change estimation from time-lapse seismic data using vision transformers
Cirne, Marcos, Maleki, Masoud, Diniz, Michael, Schiozer, Denis, Davolio, Alessandra, Rocha, Anderson
Applied Soft Computing
Covariance scaling: Theory, extension, and applications to ensemble-based history matching
Ranazzi, Paulo Henrique, Luo, Xiaodong, Sampaio, Marcio A.
Computational Geosciences
Comparing Shallow and Deep Learning Regression Methods to Forecast Short-Term Oil, Water, and Gas Rates in a Pre-Salt Petroleum Field
Lavi, Bahram, Bertini Junior, João Roberto, Oliveira Pires, Luis, Schiozer, Denis José
Water, and Gas Rates in a Pre-Salt Petroleum Field
Fast Objective Function Estimator Based on Parametric Dynamic Mode Decomposition for Wag-Co2 Injection in Carbonate Reservoirs
Magalhaes de Oliveira, Isabela, Gildin, Eduardo, Schiozer, Denis
Implementation of Advanced Visualization Techniques for Evaluating Modeled Seismic Properties from Ensembles of Reservoir Models
Dragone, Israel, Miyazato, Mitsuo Luan, Rosa, Daine Rossi, de Melo Filho, Leonildes Soares, da Silva, Celmar Guimarães, Pilato, Marcos, de Campinas, Estadual, Pinto, Tahyz, Mesquita, Pedro Vianna
Efficient proxy for time-lapse seismic forward modeling using a U-net encoder–decoder approach
Diniz, Michael, Maleki, Masoud, Cirne, Marcos, Danaei, Shahram, Oliveira, João, Schiozer, Denis José, Davolio, Alessandra, Rocha, Anderson
Computers & Geosciences
Investigation of Biases Caused by Model-Based Optimization Processes for Reservoir Management
Botechia, V. E., Oliveira, J. P., Santos, A. A. S., Schiozer, D. J.
The Impact of Asymmetric Loss Functions on Data-Driven Short-term Forecasting Approaches
Lavi, Bahram, Junior, João Roberto Bertini, Pires, Luis Oliveira, Schiozer, Denis José
The Importance of Wells Productivity and Injectivity Calibration in Short-Term Oil and Gas Reservoir Simulation Reliability
Pires, L., Schiozer, D.J.
Fifth EAGE Digitalization Conference & Exhibition
Design of a Low Carbon CO2-alternative-water Injection Processes Using a Machine-learning Assisted Multi-objectives Optimization Protocol
Shang, Wenlong, Sun, Qian, Li, Xiaobo, Wang, Ke, Ampomah, William
Energy
Impact of Production Strategy on Production Forecasting, Energy Demand, and Carbon Emissions: Typical Case Study of the Brazilian Presalt
Hohendorff Filho, João Carlos Von, Bannwart, A. C., Estevam, Valdir, Castro, Marcelo Souza, Schiozer, Denis José
Journal of Energy Resources Technology, Part B: Subsurface Energy and Carbon Capture
A visual tool to analyze the matching quality between simulation models and 4D seismic data
Rosa, Daiane Rossi, Da Silva, Celmar Guimarães, Da Silva Siqueira, Kleyton Rafael, De Andrade Miyazato, Mitsuo Luan, Dos Santos, Marcos Sebastião, Pilato, Marcos, Dragone, Israel, De Melo Filho, Leonildes Soares, Schiozer, Denis José, Davolio, Alessandra
4D Forum — Insight to Actions: A Global Forum, Galveston, Texas, November 4–6, 2024
Watch the Reservoir! Improving Short-Term Production Forecast Through Transformers
Werneck, R., Lusquino Filho, L. A., Lustosa, A., Loomba, A., Gonçalves, M. M., Esmin, A., Salavati, S., Morais, E., Mendes Junior, P. Ribeiro, Zampieri, M.
Performance assessment of an iterative ensemble smoother with local analysis to assimilate big 4D seismic datasets applied to a complex pre-salt-like benchmark case
Maschio, Célio, Silva Neto, Gilson Moura, Davolio, Alessandra, Rios, Vinicius de Souza, Schiozer, Denis José
Journal of Geophysics and Engineering
seismicdatasetsappliedtoacomplexpre-salt-like benchmarkcase
Maschio, Célio, Neto, Gilson Moura Silva, Davolio, Alessandra, de Souza Rios, Vinicius, Schiozer, Denis José
Journal of Geophysics and Engineering
Model-Based Petroleum Field Management in Three Stages: Life-Cycle, Short-Term, and Real-Time
Schiozer, D. J., Botechia, V. E., Pires, L. C. O.
Applying Digital Transformation in Oil and Gas Reservoir for Real-time Management, Control and Optimization
Pires, L., Schiozer, D.
EAGE Conference on Energy Excellence: Digital Twins and Predictive Analytics
UNISIM-IV: BENCHMARK PROPOSAL FOR LIGHT OIL CARBONATE RESERVOIR WITH HIGH CO2 CONTENT
Botechia, V. E., Correia, M. G., Rios, V. S., Davolio, A., Santos, S. M. G., Hohendorff Filho, J. C. V., Schiozer, D. J.
Brazilian Journal of Petroleum and Gas
A New Hybrid Data-Driven and Model-Based Methodology for Improved Short-Term Production Forecasting
Ferreira, Vitor Hugo de Sousa, Castro, Manuel, Moura, Renato, Werneck, Rafael de Oliveira, Zampieri, Marcelo Ferreira, Gonçalves, Maiara Moreira, Linares, Oscar, Salavati, Soroor, Lusquino Filho, Leopoldo Andre Dutra, Ribeiro Mendes Júnior, Pedro
Assessing the effects of CO2/methane mixtures on gas- oil interfacial tension and fluid flow using compositional simulation
Dantas, Paulo HA, dos Santos, Ana LN, Lins, Igor ES, Costa, Gloria MN, Vieira de Melo, Silvio AB
Brazilian Journal of Chemical Engineering
Assessing the Value of in-Well Fiber Optics Deployment in Pre-Salt Projects for Real-Time Reservoir Monitoring
Ribeiro, P. M., Gildin, E., Emerick, A. A.
Efficient proxy for Time-Lapse Seismic ForwardModeling using U-Net Encoder-Decoder Approach
Diniz, Michael Macedo, Maleki, Masoud, Cirne, Marcos, Danaei, Shahram, Oliveira, João, Schiozer, Denis José, Davolio, Alessandra, Rocha, Anderson
Geoenergy Science and Engineering
Esteves, Barbara F., de Oliveira, Fellipe C., Couto, Paulo, Lage, Paulo LC
Data-Driven Production Forecast for Oil and Gas Reservoirs–Advantages and Limitations
Oliveira Pires, Luis, Schiozer, Denis José
Available at SSRN 5396630