Thank you for that very informative video! it was very helpful to know about the cap pressure influence on the OWC where the oil column appears to be ~1-2m above the water gradient. If you had a large enough delta in API in a pool (for example: 14 API in the south and 19 API in the north) and no real stratigraphic or structural barriers. Could you have a different OWC in the south vs north due to that cap pressure effect (~1.5m difference between the two)?
Marilyn - yes this is possible. If the same capillary pressure is imposed across the field, but there is a variation in density, then a difference in apparent OWC can occur. However, over geological time, these compositional differences may even out - normally changes in density of the oil are seen with depth.
![Lp. Последняя Реальность #97 ЧЁРНАЯ МАТЕРИЯ [Анти Скинт] • Майнкрафт](http://i.ytimg.com/vi/k4MjXCzKsYw/mqdefault.jpg)
That was the best explanation visually of FWL vs OWC I’ve ever seen - thanks a lot!
Thank you sir that was very helpful!
the best video
Thank you for that very informative video! it was very helpful to know about the cap pressure influence on the OWC where the oil column appears to be ~1-2m above the water gradient. If you had a large enough delta in API in a pool (for example: 14 API in the south and 19 API in the north) and no real stratigraphic or structural barriers. Could you have a different OWC in the south vs north due to that cap pressure effect (~1.5m difference between the two)?
Marilyn - yes this is possible. If the same capillary pressure is imposed across the field, but there is a variation in density, then a difference in apparent OWC can occur. However, over geological time, these compositional differences may even out - normally changes in density of the oil are seen with depth.
sir how can i get your lecture notes
Email me - m.blunt@imperial.ac.uk and I can send them to you.