Probe Holdings, Inc.

Monty D Mayfield

Herve Ohmer

A tool for evaluating the internal surfaces of tubular is provided, wherein one or more arms extend outwardly from the tool to contact an inner wall surface of the tubular, and changes in the dimensions or condition of the inner wall result in changes in the position of the ends of the arms relative to the tool. This motion is converted, through an electromagnetic transducer. The probe arms extending from the tool are releasably held in bores formed by opposed members on the tool, within which the probe arms may pivot. The internal end of the probe arms need not be physically secured to an internal element of the tool, yet still enable motion of an internal components to actuate a transducer to provide electrical signals indicative of the tip of the probe arm relative to the tool as the tool traverses a tubular, such as a wellbore casing.

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Arlington, TX, United States of America

Monty D Mayfield