10,372
edits
Changes
Jump to navigation
Jump to search
Line 42:
Line 42: − |+ − − | − − −
→Methods for determining fluid contacts
| rowspan = 2 | [[Calculating Sw from the Archie equation|Saturation determination: well logs]] || Estimates fluid contacts from changes in fluid saturations or mobility with depth || Low cost Accurate in simple lithologies || Saturation must be calibrated to production
| rowspan = 2 | [[Calculating Sw from the Archie equation|Saturation determination: well logs]] || Estimates fluid contacts from changes in fluid saturations or mobility with depth || Low cost Accurate in simple lithologies || Saturation must be calibrated to production
|-
|-
| Rapid High resolution || Unreliable in complex lithologies or low resistivity sands
| Rapid High resolution
| Unreliable in complex lithologies or low resistivity sands
|-
|-
| rowspan = 2 | Saturation determination: [[Overview of routine core analysis|core analyses]] || Estimates fluid contacts from changes in fluid saturation with depth || Saturation estimates for [[Difficult lithologies|complex lithologies]] || rowspan = 2 | Saturation measurements may not be accurate
| rowspan = 2 | Saturation determination: [[Overview of routine core analysis|core analyses]] || Estimates fluid contacts from changes in fluid saturation with depth || Saturation estimates for [[Difficult lithologies|complex lithologies]] || rowspan = 2 | Saturation measurements may not be accurate