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Announcement work shop: CO2 for EOR CO2 seen from the underground Recovery Processes Stavanger 30 th of October 2007.

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Presentation on theme: "Announcement work shop: CO2 for EOR CO2 seen from the underground Recovery Processes Stavanger 30 th of October 2007."— Presentation transcript:

1 Announcement work shop: CO2 for EOR CO2 seen from the underground Recovery Processes Stavanger 30 th of October 2007

2 CO2 seen from the underground Deadline:Friday 26 th of October 2007 Venue:NPD, Stavanger Professor Olav Hanssensvei Stavanger Force RP contact person: Benedicte Kvalheim before after

3 CO2 seen from the underground Programme: 9:00 Welcome and motivation for the seminar (15 min) – Benedicte Kvalheim, StatoilHydro EOS - lab exp. for fluid characterisation (30 min) – Tao Yang, StatoilHydro Critical parameters of CO2 EOR process (30 min) –Leonid Surguchev - IRIS 10:15 – 10:45 Break 10:45 CO2 injection strategy (30 min) - Erwin Dufour, Shell Norge - unconfirmed Compositional reservoir simulation of CO2 injection (30 min) – Øivind Fevang, Eon Ruhrgas and/or Vidar Haugse, Statoil Simulation tools (20 min) – Vidar Haugse, Statoil Discussion (10 min) 12:20 lunch – 13:00 (OD)

4 CO2 seen from the underground Programme continue: 13:00 – 14:00 CO2 challenges in chalk (30 min) –Ingebret Fjelde, IRIS/Corec, Merete Madland, UiS CO2 injection challenges (30 min) – Maria Bario SINTEF Energi 14:00 – 14:30 Break 14:30 – 16:00 Draugen CO2 project(30 min) – Shell (unconfirmed) Heidrun CO2 project (30 min) – Jan Åge Stensen/Vidar Haugse, Statoil Discussion (20 min) wrap-up - (10 min) Sigve Haaland, Statoil 16:15 Bus transport from NPD to Røde Sjøhus 16:30 Dinner at Røde Sjøhus

5 CO2 seen from the underground Title:Authors: Critical parameters of CO2 IOR processes. In this presentation we will discuss our experimental and compositional results from different CO2 IOR studies for sand stone and carbonate reservoirs, importance of compositional, viscous and diffusion effects, aspect of CO2 IOR process design and critical factors for successful field implementation of CO2 injection. Leonid Surguchev, Roman Berenblyum, Lars Kolbotn, IRIS Compositional reservoir simulation of CO2 injection - what's important and why. The main purpose of the presentation is to discuss what is important and why in connection with compositional simulation of CO2 injection in an oil reservoir. The presentation will discuss e.g. Miscible and immiscible CO2 injection, importance of PVT and relative permeability effects, Grid size vs. number of fluid components, injection of pure CO2 vs. CO2 rich gas (injection of produced gas). Øivind Fevang, E.ON Ruhrgas, Vidar Haugse, StatoilHydro CO2 injection challenges Understanding the complexity of multi-component two-phase flow of CO2 in pipelines. The challenges within reliable simulations of transient two-phase flow of CO2 can be related to three areas: 1)Thermodynamic properties of mixtures having CO2 as the main component 2)Multi-phase flow modellig (horizontal and vertical) valid for CO2 pipeline transport and injection 3) Robust numerical methods able to handle transient phenomena, complex thermodynamics and complex flow regimes Maria Bario, Sintef Energi Abstracts:

6 CO2 seen from the underground Title:Authors: An accurate EOS fluid characterization is essential for CO2 miscible displacement, which is a composition-sensitive process. The presentation starts from special gas injection PVT experiments, which form the base for any further EOS modeling. We summarize the technical challenges and solutions associated with modeling CO2 injection. The importance of a reliable EOS fluid characterization will be demonstrated through simulation examples. Finally, optimization of injection gases will be discussed. Tao Yang, StatoilHydro CO2 challenges in chalk Series of mechanical tests have been conducted by use of standard triaxial cells and the mechanical properties of chalk were compared with -and without CO2(aq) present in the injected water. Experimental results show that the so-called water- weakening effect is enhanced due to increased dissolution of chalk in the presence of CO2(aq). Mechanical strength of high porosity chalk is thus affected by using carbonate water as IOR fluid. Ingebret Fjelde, IRIS/Corec, Merete Madland Heidrun CO2 study: A CO2 value chain based on a potential CO2 source from a gas power plant at Tjeldbergodden, and with a CO2 transport line to the Halten area, and with CO2 injection for EOR into Draugen and Heidrun has been studied. A short background for this consortium project will be given. Results from the reservoir studies of CO2 WAG injection on Heidrun will be presented, and some of the important challenges with such a field implementation will be discussed. Jan Åge Stensen/ Vidar Haugse StatoilHydro


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