Apparatus and methods for orienting, stabilizing, or stably operating a logging tool
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United States of America Patent
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Jun 27, 2017
Grant Date -
May 2, 2013
app pub date -
Oct 12, 2011
filing date -
Oct 13, 2010
priority date (Note) -
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Abstract
A logging tool, toolstring (10), or element (19) comprises a stabilizer including a pair of moveable, rigid, main stabilizer arms (23, 24) that each is pivotably secured adjacent to one another at one end to the logging tool or toolstring. As a result the arms (23, 24) are moveable between a relatively retracted position on the one hand and a relatively advanced position on the other in which the main stabilizer arms diverge from one another and protrude from the logging tool so as to present a pair of main arm free ends (29, 31) that are spaced from an outer surface of the tool and are engageable with a borehole surface. The logging tool (10) or element (19) includes a mechanism for effecting coordinated, powered, linked movement of the main stabilizer arms (23, 24) between the retracted and advanced positions.
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