Teamwork, extensive preplanning pay off for Norwegian Sea well

The results of a wildcat well, located in the Voring Plateau of the Norwegian Sea, show that coordinated management and planning from the service company, drilling contractor, and operator can improve drilling performance over other regional wells.In July 1999, Saga Petroleum AS completed the remote Gjallar wildcat in 1,352 m of water. Drilled vertically to 3,827 m, then directionally deepened to 4,103 m, the company selected the well location to test reservoirs within the top portion of the Cretaceous pay zone while avoiding any potential gas-chimney hazards. Click here to enlarge imageThe main geological targets included the Springar sandstone in the Upper Cretaceous at 2,550 m RKB (ri...

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