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签到天数: 350 天 [LV.8]以坛为家I
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发表于 2012-7-31 16:12:27
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根据维基百科“A wellbore is any hole drilled for the purpose of exploration or extraction of natural resources such as water, gas or oil where a well may be produced and a resource is extracted for a protracted period.
It is often used interchangeably with drill hole or borehole though typically a "borehole" is referred to in ore mining, exploratory drilling, or pilot holes for installing piers or underground utilities, or any other of a number of single use hole drilling. Wellbores, drilled using water, part of the process of "fracking", or Hydraulic Fracturing, which has become a more common drilling method by oil and gas companies in the United States in the late 2000s.”
因此,个人认为在下套管完井条件下wellbore radius是指套管半径,而非油管半径
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