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首页> 外文期刊>Pipe Line & Gas Industry >Beaufort Sea is site of first subsea arctic oil pipe line
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Beaufort Sea is site of first subsea arctic oil pipe line

机译：博福特海是第一条海底北极石油管道的所在地

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The first subsea arctic oil production pipe line has been constructed by BP Exploration (Alaska) and is expected to start transporting product later this year.The oil line is one of twin 10-in. oil and gas pipe lines that extend 6 mi offshore in the Beaufort Sea to a man-made gravel island in 37-ft water depth. The company is transporting natural gas now from shore to the island as fuel and expects to start transporting crude oil from the island to shore later this year.The trenched pipes are designed and constructed to safely withstand potential seabed ice gouge and permafrost-thaw, settlement-loading conditions which may result in displacement-limited non-cyclic plastic bending. This design requirement was addressed by using limit state bending analysis to verify the integrity of the pipe lines during their service life Bending strains up to 1.8 percent were found to be acceptable on operational oil and gas pipe lines for which the pipe materials, welding, testing, inspection and operations are controlled to satisfy the limit state design requirements.
机译：BP勘探公司（阿拉斯加）建造了第一条海底北极采油管线，该管线是双10英寸输油管线之一，预计将于今年晚些时候开始运输产品。石油和天然气管道，将博福特海中的6英里延伸至水深37英尺的人造砂砾岛。该公司目前正在从岸上向岛上输送天然气作为燃料，并有望在今年晚些时候开始从岛上向岸上输送原油。这些沟槽式管道的设计和建造可以安全地承受潜在的海床冰凿和永久冻融，沉降。加载条件可能导致位移受限的非周期性塑性弯曲。通过使用极限状态弯曲分析来验证管道使用寿命期间的完整性，从而满足了此设计要求。在运行中的石油和天然气管道上，发现弯曲度高达1.8％的弯曲应变是可以接受的，其管道材料，焊接，测试，检查和操作受到控制，以满足极限状态的设计要求。

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