... downhole burner 井下燃烧器 downhole camera 井下照相机 downhole drill 潜孔钻机 ...
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downhole e camera 井下照相机
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Downhole video logging technique captures borehole images by downhole camera and can be applied to well casing inspection, downhole fishing, downhole completion quality inspection, etc.
井下视频成像测井利用井下摄像头获取井眼实时图像信息，可用于套管检测、落物打捞、井下作业质量检查等。
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