While drilling ahead with 60 foot draft, the DEEP DRILLER encounters lost circulation and loses 900 Bbls. of 16 pounds per gallon mud to the hole. How much ballast must be taken on to maintain 60 foot draft?
Official USCG Answer & Rule Citation
Correct Answer: Option B — 270 long tons
Under USCG National Maritime Center examination standards, the accepted correct answer is: 270 long tons.
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