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Third Workshop on Porous Media Flows|Center for Fundamentals of Subsurface Flow

              Subsurface Flow

WORKSHOP INFORMATION:

The workshop was held on Tuesday, May 8 and concluded on Thursday, May 10.  All meeting sessions were held at the Hilton Garden Inn in Laramie.  For a complete agenda please click here.

This workshop consisted of presentations from research groups that have been funded by the Center for Fundamentals of Subsurface Flow and contributed presentations. Short courses were offered on upscaling in heterogeneous and fractured media and reservoir geomechanics.  Examples of topics covered by additional talks were:

  • Recovery of natural gas from unconventional reservoirs characterized by low permeability.  Namely, research activities that aim at improving the current understanding of permeability distribution, connectivity, and flow pathways that can be used to improve reservoir models and field design.
  • Sequestration of greenhouse gas and associated impurities (GGI) in geologic formations, e.g., deep saline aquifers and oil and gas reservoirs. Namely, research activities that aim at improving the current understanding of the underlying phenomena responsible for various GGI geologic storage mechanisms that can be used to develop or improve predictive modeling tools.

CONFERENCE ORGANIZERS:

Felipe Pereira, School of Energy Resources Professor of Mathematics
Mohammad Piri, Associate Professor of Chemical and Petroleum Engineering

INVITED SPEAKERS:

Speaker: Professor Marcio Murad, LNCC, Brazil

Title: Introduction to computational reservoir geomechanics

Abstract:  The study of the coupling between geomechanics and multiphase flows is becoming increasingly important in reservoir engineering as deeper formations are detected and explored. During secondary recovery of hydrocarbon fluid due to forced imbibition of water, changes in pore pressure trigger perturbations in the mechanical equilibrium of the porous medium leading to stress modifications which alter rock properties such as permeability and porosity. Applications are widespread and involve compaction drive mechanism, land subsidence, hydraulic fracturing, stress dependent permeability, pore collapse phenomena, caprock integrity, wellbore instability, casing damage, sand production, strain localization and fault reactivation. In this short course we present the intriguing and fascinating historical developments of the theories of poromechanics and their application to reservoir compaction and land subsidence during fluid withdrawal. Starting from the classical  models of Terzaghi and Biot we evolve till the modern multiscale theories of multiphase flow in strongly heterogeneous deformable media. Some discussions regarding the geomechanical interaction between the reservoir and adjacent  non-pay formations will also be presented.

Speaker: Professor Benoit Noetinger, IFP Energies nouvelles, France

Title: Up-scaling and flow in heterogeneous and fractured media

Abstract: Up-scaling techniques were used at the very beginning of oil and gas reservoir simulation in order to provide acceptable simulation times. Simultaneous improvements of calculation capabilities and small-scale reservoir characterization by means of geostatistical techniques maintain the interest in such techniques even with today's computing power. This is particularly important in the context of history matching or uncertainty analysis applications that are needed for economic decisions or environmental constraints, and that need tremendous computing resources. At present times, these "old fashioned" up-scaling techniques can be considered as being a part of "multiscale approaches" that are becoming a major sub discipline of scientific computing. In the course, we will travel from old-fashioned techniques to most recent approaches. Up-scaling of non linear transport problems will be discussed, as well as up-scaling of fractured media. The applications to history matching techniques will be discussed.

AGENDA:

For a complete agenda please click here.

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