Why through tubing drilling & completion - Classification: Internal 2010-08-25 Example: Watered out well ” New” TTDC well Remaining oil
Taking the technology subsea < 300 kSm3 < 100 kSm3 < 50 kSm3 Additional reserves Enabled by new technology and methods = IOR
The Statoil Category B initiative (Cat B) Lightweight HP riser system (through tubing) Full DP or mooring assisted station keeping options Topside system sized for through tubing operations (2⅞” & 3 ½” drillpipe) Integrated high capacity coiled tubing package (2 ⅞” / 3 ½”) Full handling of live well returns Semi-submersible rig hull type
Most efficient measure to keep up the production level and increase the recovery Yearly value creation for a “one trip” system fully implemented on the Norwegian Continental Shelf is estimated to NOK 2 billion / year
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