Solid expandable tubulars extend well's life

Click here to enlarge imageExpandable cased-hole liners changed the status of a 51-year old, Occidental Permian Ltd. well from a plug-and-abandonment candidate to an active injecting well.Enventure Global Technology, a company formed by Shell Technology Ventures Inc. and Halliburton Energy Services, says three of its 41/4-in., 10.7 lb/ft liners were placed in the West Texas well as follows (Fig. 1):The first lowest liner at 4,835-4,640 ft (193 ft) serves as the well's new packer seat.The next liner up at 3,773-3,236 ft, sealed 537 ft of deteriorated, leaking casing.The third liner at 1,824-910 ft (914 ft), a world record length for a cased-hole liner, repaired casing damage caused b...

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