C. Traulsen, N. J. R. Nielsen, T. S. Nielsen Maersk Oil & Gas AS Copenhagen Rock-shield coating on subsea pipelines is a viable alternative to concrete coating when protection against rock dumping is required. Tests and installation experience of Maersk Oil & Gas AS, Copenhagen, indicated this use, provided that special attention is paid to the priming process, cleanliness of the coating applicator, handling of the line pipe, and selection of a suitable plow for trenching. The company gained this experience with a polymer-modified, glass-fiber-reinforced cement as coating for a 12.75-in., 19.05-mm (0.750 in.) W.T. subsea pip...

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