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Introduction

In order to calculate HCPV (i.e. hydrocarbon pore volume) for the reservoir there has to be a reservoir model. This is a folder with reservoir horizons in a layer model and folders with petrophysical parameter grids.

The parameter grids are connected to the zone between two horizons and the zones in the layer model start with the first horizon. There are seven horizons and six zones; therefore the last horizon will have no petrophysical parameter grids associated. The parameter grids can be found in the folder 09_Petrophysical parameters.

 

Info

The petrophysical parameter grids in the volumetric model are random generated between 0.1 and 0.6 approximately. That corresponds to realistic value domains. In real cases the petrophysical parameter grids are gridded from well data, f.inst. using the gridding panel Simple points and lines gridding

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Exercises

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 Layer model and cross sections illustrating a zone

Calculate Volume
 

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Calculate hydrocarbon pore volume within a license.

  1. Right click on Depth data > Grids interpretation and select Utilities > Volume layer model calculation.
  2. Set Type of volume to be calculated to Between plane1 and plane2.
  3. Check in 1: contact and write in the level value 2700 (suitable for this project). Also called top contact
  4. Check in 2: contact and write in the level value 3800 (suitable for this project). Also called bottom contact
  5. Check in Apply folder or single area grid or outline for licenses or sub areas.
  6. Browse in 01_Cultural Licenses > License 07-18.
  7. Go to page Parameters
  8. Check in boxes for petrophysical parameters and browse in the corresponding folders.
  9. Check in Expansion oil and set the value to 1.2.
  10. Check in Recovery factor oil and set the value to 0.4.
  11. Click Execute to start calculation.
  12. Go to Result page and take a look at the table view
  13. Click on Volume report to disk

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Display hydrocarbon volume and fence diagram.

  1. On the Display tab select zone 4.

  2. Set option to On top of horizon.
  3. Click Display volume or contact area.
  4. Click Fence diagram cross sections.
  5. Study the display to and explain the map.

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