bn:01812656n
Noun Concept
Categories: Drilling technology
EN
submersible drilling rig  submersible drilling
EN
A submersible drilling rig is a marine vessel design that can be floated to location and lowered onto the sea floor for offshore drilling activities. Wikipedia
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EN
A submersible drilling rig is a marine vessel design that can be floated to location and lowered onto the sea floor for offshore drilling activities. Wikipedia
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