作者: Phillip M. Starr , John J. Goiffon , Michael L. Fripp , Darrin N. Towers , John Rodgers
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摘要: A downhole tool for use in a well bore comprises an onboard navigation system determining the location of within bore, wherein is moved along at least partial length via external force. method locating deploying force, and self-determining without receiving communications from surface. In embodiment, zonal isolation device.