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英示仪器
测井仪器着陆指示器（英文）
测井仪器着陆指示器（英文）
专利号：US2014014329（A1）申请号：US201213545542申请日：2012.07.10专利申请人：RADFORD STEVEN R.;EVANS JOHN G.;BAKER HUGHES INCORPORATED公开日：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.
测绘仪器精度的表示与检定
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