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?
A
220 long tons
B
270 long tons
C
330 long tons
D
440 long tons
E
İlgili Sorular
If the magnetic heading is greater than the compass heading, the deviation is __________.The maximum draft to which a vessel can legally be submerged is indicated by the __________.What is the major limitation in using the Sight Reduction Tables for Air Navigation Volume I (Pub. N...A vessel having continuous closely spaced transverse strength members is __________.If a vessel is sagging, which kind of stress is placed on the sheer strake?