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US07884951B2 Apparatus for measuring an internal dimension of a well bore 有权
用于测量井眼内部尺寸的装置

Apparatus for measuring an internal dimension of a well bore
Abstract:
An apparatus for measuring an internal dimension of a well-bore comprising a tool adapted to be positioned inside the well bore. The tool comprises an optical caliper comprising an optical sensor providing a response correlated to the internal dimension of the well bore, the optical sensor being coupled to an optical fiber.
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