How to increase the oil recovery in GFS Statfjord ?. Forslag til Gullfakslandsbyen. Gullfaks Sør Statfjord Formation. PDO 1995: Large volumes in the Statfjord fm. Main reservoir in the Gullfaks Sat. 7 wells 2000 Sm3/d.
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Forslag til Gullfakslandsbyen
PDO 1995: Large volumes in the Statfjord fm.
Main reservoir in the Gullfaks Sat.
7 wells 2000 Sm3/d.
1999: F-4 T3H and G-2 T3H in production.
Produced much less than expected.
Statfjord Fm. on hold.
2001: G-3 T2H in production.
Behave in accordance to new expectations.
Unexpected gas breakthrough.
2002/2003: IOR project initiated.
Limited reservoir communication
Drilling has so far been challenging. Simple or complex wells ?
Wells spacing ?
Increase of gas injection, number of GI ?
Uncertainties in reserve estimates
When start blowdown ?
No economic limitations, KPI: recoveryHow can we increase the recovery ?