商业产品为什么没有显示该油井及其部件的结构图原因成谜。
Why the commercial offerings do without diagrams showing the structure of the well and its components is a mystery.
BP的商业战略是依靠在石油开发领域不断拓展的能力：钻探世界上最深的油井，在北极圈各个角落勘探石油。
BP's business strategy depends on its ability to keep pushing the frontiers of oil exploration: drilling the world's deepest Wells and probing the corners of the Arctic for deposits.
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