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Method and device for blocking wells to extinguish fires, prohibit saltwater intrusion, etc.
Method and device for blocking wells to extinguish fires, prohibit saltwater intrusion, etc.
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机译:堵塞井道以扑灭大火,防止盐水入侵等的方法和装置
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摘要
A well, such as an oil well, may be plugged, on command, from the well head, by activating a plurality of preplaced motor-driven, foam generating capsules causing a foam to be generated and forced into the well hole where it hardens.
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