North Morecambe employs innovative transition operation
Journal Article
·
· Oil and Gas Journal
OSTI ID:99296
- McDermott-ETPM West Inc., Nanterre (France)
For switching from piggyback to dual lay for installing two pipelines on the North Morecambe project, Block 110/2a of the Irish Sea, McDermott International Inc.-ETPM Services (U.K.) Ltd. (MET) used its lay vessel DLB 1601 for an unconventional transition operation. A 3-in. OD methanol pipeline was piggybacked onto a 36-in. gas pipeline for the shore pull and then separated for dual lay for the offshore section. This concluding article covers the transition operation and reports results and observations of prototype testing onshore, Part 1 (OGJ, Sept. 4, p. 84) discussed the background for the North Morecambe project and engineering for the piggyback and dual lay phases.
- OSTI ID:
- 99296
- Journal Information:
- Oil and Gas Journal, Journal Name: Oil and Gas Journal Journal Issue: 37 Vol. 93; ISSN OIGJAV; ISSN 0030-1388
- Country of Publication:
- United States
- Language:
- English
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