“If they’re getting a 30 percent return on petroleum production and only 10 percent on natural gas after infrastructure costs, you know what they’re going to do,” Svensson said.

“如果它们能从石油生产中获得30%的收益，而在扣除了基础设施成本之后只能从天然气生产中获得10%的收益，你就知道它们会怎么做了，”Svensson说。

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Petroleum and natural gas industries - Design and operation of subsea production systems - Part 1: general requirements and recommendations.

石油和天然气工业。海底作业系统的设计和操作。第1部分：一般要求和推荐标准。

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Offshore platforms are main structures for Marine petroleum and natural gas exploitation. They are also the platforms of production and life on the sea.

海洋平台是开发海底油气资源的基础结构，也是生产作业与生活基地。

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