©2009 Enventure Global Technology • Enventure and SET are trademarks of Enventure Global Technology • All Rights Reserved • 1/07 Corrosion-Resistant Solution North Sea Operator Nederlandse Aardolie Maatschappij B. V. (NAM) Challenge Improve production and well-life in tubing-constrained, corrosive-environment gas well. Objective Install larger, corrosion-resistant production conduit. Results An Cased-Hole Liner (CHLTM) system with corrosion-resistant alloy liner and gas-tight connections was run and expanded to clad the gas well’s 7-5/8 in. base casing (29, 33.7 and 39.0 lb/ft). With a pre-expansion length of 6,096 ft (1858 m), the CHL system was configured with 16 enhanced elastomeric sections to seal and bear load between the base casing and the exp

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