Underwater drilling consists of drilling from floating barge or ship through drilling head assembly mounted on ocean floor; basic tools operate by surface controls; procedure and equipment used; equipment of vessels; problem of underwater well completion.
Underwater drilling
Petroleum Engr
Petroleum Engineer ; 29 , n 6
1957
Article (Journal)
English
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UNDERWATER DRILLING RIG ASSEMBLY AND METHOD OF OPERATING THE UNDERWATER DRILLING RIG ASSEMBLY
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