Special Report: Barents Sea field developed using only dopeless casing and tubing

For its Snøhvit development in the Barents Sea, Statoil ASA decided to use “dry” premium connections to eliminate all chemical discharges to the ocean from the casing and tubing installation.After evaluating and testing the TenarisBlue Dopeless technology, Statoil selected it for use on all the strings to be run in this development. Statoil applied the dopeless technology using a variety of sizes and grades ranging including 14-in. 82.2 lb/ft N-80; 9 5/8-in. 53.5 lb/ft P-110; 10 3/4-in. 60.7 lb/ft P-110; 7 5/8-in. 33.7 lb/ft L-80 Cr13; 7-in. 32 lb/ft L-80, L80 Cr13 and Cr25 superduplex.The harsh environment of the Hammerfest area tested the resistance of the dopeless co...

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