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Publications 15th February 2017

Bayesian History-Matching and Probabilistic Forecasting for Tight and Shale Wells

Abstract The fracturing of horizontal wells is a recently developed tool to help enable tight and shale formations to produce economically. Production data analysis of the wells in such formations is frequently performed using analytical and semi-analytical methods. However, in the presence of nonlinearities such as multi-phase flow and geomechanical effects, the numerical simulations are …

Publications 24th October 2016

Thermal Simulation with Multilateral Wells

Abstract In this study we investigated full-field fine-scaled thermal reservoir models with multilateral wells that are independent of grid refinements and thus allow efficient optimization of well placements. This facilitated the production optimization and well interference study in thermal modeling framework. We observed that multilateral wells with multiple sidetracks enhanced the steam injection efficiency by …

Publications 24th October 2016

Integrated Uncertainty Quantification for Development Planning of a Large Field

Abstract Oil companies invest significant human and money resources on decisions about field development planning. Often these decisions have to be made based on limited information under tight time constraints. Historically, numerical simulation is one of the main tools in the process. In most cases, the investigations remain limited to single realizations or at best …

Publications 24th October 2016

Compositional Simulator with Non-equilibrium Phase Transitions

Abstract The paper presents efficient implementation of the non-equilibrium phase transitions model in compositional simulator. Reservoir non-equilibrium phase behavior effects are examined and simulated with the new approach. Compositional simulators are widely used for modeling light oil reservoirs, gas injection projects, and gas-condensate reservoirs. Some features for modeling phase transition hysteresis are implemented in black …

Publications 30th May 2016

Calibrating Multi-Point Geostatistical Models Using Pressure Transient Data

Abstract Transient well test data conveys significant information about the subsurface heterogeneities in terms of some variations in the well test pressure response curves. It is therefore important to enhance the use of the well test data for building a validated geological model to include the effective reservoir heterogeneities that are reflected on the well …