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Abstract An innovative drilling concept is currently being indroduced to the industry. The new concept will improve downhole pressure control, improve drilling performance and drastically reduce offshore drilling costs. The patented drilling concept uses:
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Abstract • An innovative drilling concept is currently being indroduced to the industry. The new concept will improve downhole pressure control, improve drilling performance and drastically reduce offshore drilling costs. • The patented drilling concept uses: • - Dual drilling string, return flow inside • - Downhole annular sliding piston • - Drill in liner, expandable (optional) • Unique features: • - Avoid lost circulation- Unique hole cleaning- Hydraulic Weight on Bit • Increased horizontal reach • Applications: • - Extended reach drilling- Underbalanced drilling / MPD • - Liner drilling • - Low cost exploration drilling • Project status August 2006: • - 2005-06 Feasibility study completed • - 2006-07 Prototype demonstration- Project funded by The Research Council of Norway, Statoil and Shell. • ReelWell a.s. • Rogaland Science Park • Prof. Olav Hanssens vei 7A • 4021 Stavanger, NORWAY • Project Manager: Ola Vestavik • Tel. +47 5187 4912 • www.reelwell.com