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DRILLING ON WATER AND ICE WITH A MOVABLE VESSEL
DRILLING ON WATER AND ICE WITH A MOVABLE VESSEL
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机译:用活动容器在水和冰上钻孔
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摘要
Drilling operations are conducted on water and ice with a movable vessel which moves on shore as water freeze-up approaches and then moves back onto the ice after freeze-up to resume drilling operations, the well location being located by a signal and connection being established between the vessel and the well through the ice.
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