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測(cè)井儀器著陸指示器(英文)

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專利號(hào):US2014014329(A1)申請(qǐng)?zhí)枺篣S201213545542申請(qǐng)日:2012.07.10專利申請(qǐng)人:RADFORD STEVEN R.;EVANS JOHN G.;BAKER HUGHES INCORPORATED公開日:2014.01.16An apparatus for evaluating an earth formation intersected by a wellbore may include a logging tool conveyed into the wellbore through a drilling tubular,a landing indicator associated with the logging tool,and a sensor operatively associated with the logging tool.

測(cè)井儀器著陸指示器

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An apparatus for evaluating an earth formation intersected by a wellbore may include a logging tool conveyed into the wellbore through a drilling tubular, a landing indicator associated with the logging tool, and a sensor operatively associated with the logging tool. In use, the landing indicator generates a pressure pulse in the drilling tubular after contacting a travel restrictor positioned in the drilling tubular.

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