The contact surfaces in reservoir segregating fluids with different densities (normally between gas, oil and water) formed by gravity and capillary pressure.
...
...
| Oil Water Contact = OWC |
|---|
| Oil Water Contact = OWC |
|---|
|
|
...
...
...
...
...
...
...
...
...
...
...
...
| Free Water Level (FWL) |
|---|
| Free Water Level (FWL |
|---|
|
|
...
...
 Image Added
|
| Fig. 1. Fluid contact schematic: gas in yellow, oil in green, hydrocarbon-water transition in blue and free water in aqua. |
Usually the fluid contacts are relatively flat but varying reservoir properties may lead to inclination of the contact surface.
The exact knowledge of fluid contacts is critical in reserves estimation and field development planning.
See Also
...
Geology / Petroleum Geology
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petrophysics
Gas Water Contact (GWC) | Gas Water Contact (GWC) | nopanel | true...
