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Keywords: excess ice
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Proceedings Papers

Paper presented at the Annual Technical Meeting, May 15–18, 1972
Paper Number: PETSOC-7261
... arose because the oil would normally be warm when produced, and in a conventionally buried line would melt the ground around it. In the Arctic and Subarctic the ground Ls permanently frozen, often contains excess ice and is protected during the warm seasons by an insulating layer of living and dead...

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