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					Integrated Core Measurements and Analysis




  - Core Heterogeneity
       - Rock Typing
             - Core Plug Selection
                   - Core Analysis
                         - Data Integration
       Integrated Workflow

1. Core Recovery
2.    Core Preparation, Slabbing & Cleaning
3.    AutoScan Heterogeneity Characterization
4.    DataMiner Analysis
5.    Plug Selection
6.    Routine Core Analysis
7.    Special Core Analysis
8.    Pore Structure Analysis – PSI
9.    Slabbed Core Cap-Pressure Maps
10.   Upscaled Physical Properties
11.   Data Integration for Reservoir Optimization
      & Management
    3. AutoScan Heterogeneity Characterization

•    AutoScan II: Spatially Correlated Property Measurements

     - Ultrasonic Velocities Vp, Vs1, Vs2
                                            Log k Vp Vs   core/feet
     - Complex Electrical Conductivity                       0
     - Gas Permeametry k                                     2

                                                             4

                                                             6

                                                             8

                                                             10

                                                             12

                                                             14
                      4. DataMiner Analysis

• Cluster Analysis:
   - Rock Typing/Heterogeneity
   - Property Correlations           Log   k Vp   Vs   lithos core/feet
                                                                 0
   - Plug Selection
                                                                  2

                                                                  4

                                                                  6

                                                                  8

                                                                 10

                                                                 12

                                                                 14
            Cross Plot                14 foot Line Scan
                      4. DataMiner Analysis

• Cluster Analysis:
   - Rock Typing/ Heterogeneity
                                      Log k Vp                               Cross Plots
   - Property Correlations
   - Plug Selection




                                                       P velocity (m/s)
                                                                               all data
                                                                             Log Permeability (mD)




                                                          P velocity (m/s)
                                                                             individual core
                                                                             Log Permeability (mD)

                 1 foot
              slabbed core         14 foot line scan
                           4. DataMiner Analysis

• Cluster Analysis:
   - Rock Typing/ Heterogeneity
   - Property Correlations
   - Plug Selection

  Log k Vp   Vs   lithos        lithos Vs   Vp   Log k   k map scan 1 ft core




                                                         1.0   Log k (mD) 3.0
 14 foot line scan               1 ft core line scan
            8. Pore Structure Analysis – PSI

1. Core Plug Measurements                                             2. PSI Analysis
                                                   Inverse Modeling
  & Data Mining              Permeability


                       Velocity

            Image Analysis

    Formation
     Factor
                                               Pore Structure
                                              Inversion Model
   T2 NMR




                     3. Physical Model
                         Catalog
                                            Forward Modeling
      9. Slabbed Core Capillary Pressure Maps

1. Integrated Data                                                                                           2. Capillary Pressure - Saturation
                                                                                                                                       Models



                                                   PSI Catalog


 AutoScan II



                         Grid Scale Rel-Perm Model
                                             Berea: Relative Permeability
                                             Berea: Relative Permeability
                                                    Corey Drainage Model
                                                    Corey Drainage Model                                                          Core Scale
        Permeability (mD)




                                 400
                                 400
                                                                                Kwater vertical
                                                                                Kwater vertical


                                                                                                                               Cap-Pressure Map
             Permeability (mD)




                                                                                Kwater horizontal
            Permeability (mD)




                                 300                                            Kwater horizontal
                                 300
                                                                                Knapl vertical
                                                                                Knapl vertical

                                 200
                                 200                                            Knapl horizontal
                                                                                Knapl horizontal

                                                                                Kwater (standard
                                                                                Kwater (standard
                                                                                model)
                                                                                model)
                                 100
                                 100                                            Knapl (standard
                                                                                Knapl (standard
                                                                                model)
                                                                                model)


                                  0
                                  0
                                       0
                                       0   0.2
                                           0.2      0.4
                                                    0.4     0.6
                                                            0.6
                                                 Water Saturation
                                                                     0.8
                                                                     0.8    1
                                                                            1                       3. Relative Permeability Models
                                                 Water Saturation
                                            Water Saturation
          10.      Upscaled Physical Properties
1. Core Scale Cap-Pressure Map           2. Grid Scale Parameter Properties
                                           • Relative Permeability
                                               • Fluid Substitution for 4D Seismic
                                                  • Formation Factor Anisotropy
                                                     • Saturation Exponent
                                                        • Sanding Potential




                                 2
                                     3
                        4                  1
                                                       3. Reservoir Scale
                                                       Optimized Model

				
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posted:3/6/2012
language:English
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