Fraca Flow Presentation

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Fractured reservoir Characterization and modeling

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Fraca Flow Presentation

  1. 1. FracaFlow Fracture Network Modeler Andi Anriansyah Géologies Support anriansyah@opacbarata.co.id Jakarta, Septembre 2nd 2010 @ Beicip-Franlab 232, avenue Napoléon Bonaparte PB 213 - 92502 Rueil-Malmaison France Phone: +33 1 47 08 80 00 Fax: + 33 1 47 08 41 85 - info@beicip.com – www.beicip.com
  2. 2. OUTLINE OVERVIEW Introduction FracaFlow Workflow Fracture Characterization Fracture Network Modeling Model Calibration Upscaling Summary @ Beicip-Franlab
  3. 3. @ Beicip-Franlab Introduction Problematic & Importance of Fractured Reservoirs
  4. 4. Introduction: importance of fractured reservoirs of carbonate reservoirs are fractured of oil is reserved in fractured reservoirs @ Beicip-Franlab
  5. 5. Evidence of a Fractured Reservoir Well test signature show double porosity / flow barrier Core permeability different from well test permeability Heterogeneous distribution of well productivity / injectivity Difficult history match with conventional models @ Beicip-Franlab Early water/gas breakthrough
  6. 6. Evidence of a Fractured Reservoir @ Beicip-Franlab
  7. 7. Fractured Reservoirs Challenges Various structural objects: heterogeneity joints – corridors – faults Various scales: well – cell size – reservoir scale The properties to model are poorly observed Objectives Characterize fracture organisation Locate fractured zone in the reservoir Generate a fracture model that can be used in flow simulations @ Beicip-Franlab
  8. 8. Different types of Fractures Fractured reservoir in Morocco Fractured reservoir in Algeria 2m Joint sets with homogeneous Fracture swarms fracture density: (corridors/sub-seismic faults): @ Beicip-Franlab diffuse small-scale fracturing discrete large-scale fracturing Date Presentation Title 8 / 000
  9. 9. FracaFlow Kz Ky c Kx a b @ Beicip-Franlab
  10. 10. @ Beicip-Franlab FracaFlow Workflow Date Presentation Title 10 / 000
  11. 11. General Workflow Conceptual model DFN model (Discrete fracture model) ? Locally connected fractures Lo g-Lo g plot Regional diffuse fractures Static & dynamic calibration HOW TO MODEL FRACTURED RESERVOIRS ? 1 2 Fracture Up-scaling Transient well tests Core data Outcrops Equivalent parameters (Kfx, Kfy, Kfz, a, b, c, φf) 3 Flowmeter Seismic attributes Image Logs analysis Mud Losses Full field simulation Production data Drilling reports, Pressure data, @ Beicip-Franlab Geomechanical Wireline Logs Tracer tests, etc analysis Well data Inter-well data 4 Dynamic analysis Static analysis Simulation grid Block
  12. 12. @ Beicip-Franlab Fracture Reservoir Characterization Dynamic Data Analysis & Static Data Analysis
  13. 13. Fracture Reservoir Characterization Dynamic Data Analysis Mud Loss Analysis Production Data Analysis Productivity Index Analysis Permeability Analysis Flowmeter Analysis @ Beicip-Franlab
  14. 14. Fracture Reservoir Characterization Dynamic Data Analysis Mud Loss Analysis Production Data Analysis Productivity Index Analysis Permeability Analysis Flowmeter Analysis @ Beicip-Franlab
  15. 15. Fracture Reservoir Characterization Dynamic Data Analysis Mud Loss Analysis Production Data Analysis Productivity Index Analysis Permeability Analysis Flowmeter Analysis @ Beicip-Franlab
  16. 16. Fracture Reservoir Characterization Dynamic Data Analysis Mud Loss Analysis Production Data Analysis Productivity Index Analysis Permeability Analysis Flowmeter Analysis @ Beicip-Franlab
  17. 17. Fracture Reservoir Characterization Static Data Analysis Structural Analysis Fault Analysis Fracture Analysis Fracture density log computation Fracture driver computation @ Beicip-Franlab
  18. 18. Fracture Reservoir Characterization Static Data Analysis Structural Analysis Fault Analysis Fracture Analysis Fracture density log computation Fracture driver computation @ Beicip-Franlab
  19. 19. Fracture Reservoir Characterization Static Data Analysis Structural Analysis Fault Analysis Fracture Analysis Fracture density log computation Fracture driver computation @ Beicip-Franlab
  20. 20. Fracture Reservoir Characterization Static Data Analysis Structural Analysis Fault Analysis Fracture Analysis Fracture density log computation Fracture driver computation @ Beicip-Franlab
  21. 21. Fracture Reservoir Characterization Static Data Analysis Structural Analysis Fault Analysis Fracture Analysis Fracture density log computation Fracture driver computation @ Beicip-Franlab
  22. 22. Fracture Reservoir Characterization Static Data Analysis Structural Analysis Fault Analysis Fracture Analysis Fracture density log computation Fracture driver computation @ Beicip-Franlab
  23. 23. Fracture Network Characterization Fractures cluster in a Well All Wells Analyses Example Orientation: N030, dip80°E Fracture types and density: • Diffuse fractures • Cluster of fractures @ Beicip-Franlab Per Well Analyses
  24. 24. @ Beicip-Franlab Fracture Network Modeling Build the fracture network consistant with your conceptual model Date Presentation Title 24 / 000
  25. 25. Fracture Network Modeling Deterministic Full-Field Discrete Fracture Network @ Beicip-Franlab
  26. 26. Fracture Network Modeling For Each Fracture set: Statistical orientation Statistical size Statistical aperture Statistical conductivity Statistical Spatial distribution @ Beicip-Franlab
  27. 27. Fracture Network Modeling For Each Fracture set: Statistical orientation Statistical size Statistical aperture Statistical conductivity Statistical Spatial distribution @ Beicip-Franlab
  28. 28. Fracture Network Modeling For Each Fracture set: Statistical orientation Statistical size Statistical aperture Statistical conductivity Statistical Spatial distribution @ Beicip-Franlab
  29. 29. Fracture Network Modeling For Each Fracture set: Statistical orientation Statistical size Statistical aperture Statistical conductivity Statistical Spatial distribution @ Beicip-Franlab
  30. 30. Fracture Network Modeling For Each Fracture set: Statistical orientation Statistical size Statistical aperture Statistical conductivity Statistical Spatial distribution @ Beicip-Franlab
  31. 31. Fracture Modeling @ Beicip-Franlab
  32. 32. @ Beicip-Franlab Model Calibration Adjust uncertain parameters
  33. 33. Model Calibration Automated KH Calibration Automated Dynamic Calibration @ Beicip-Franlab
  34. 34. Model Calibration Assisted KH Matching Flowmeter Simulation Assisted DFN Simplification Well Test Simulation @ Beicip-Franlab
  35. 35. Model Calibration [psia] [Mscf/D] Log-Log plot History plot Integration of dynamic data to attempt for calibration of the DFN • Well test signature for pressure buildup @ Beicip-Franlab • Flowmeter for the permeability/conductivity of the fractures
  36. 36. @ Beicip-Franlab Upscaling Date Presentation Title 36 / 000
  37. 37. Fracture Network equivalent parameters Analytical FlowBased @ Beicip-Franlab
  38. 38. Upscalling at Reservoir Grid Scale (1) Exemple of fracture equiv. Permeability in An Area From DFN to Grid: • Upscalling creates a grid of fracture attributes: @ Beicip-Franlab Permeability, porosity, etc… for the Reservoir Simulation
  39. 39. Summary @ Beicip-Franlab
  40. 40. Summary Openness to other applications Accurate and realistic geological model with high level of confidence Fracture Data Analysis involving static and dynamic data, give their characteristic and the relation between them Fracture modeling give better geometry, characteristic and fluid behavior fractured reservoir model Dynamic Calibration adjusting characteristic and fractured reservoir model @ Beicip-Franlab
  41. 41. @ Beicip-Franlab

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