Question 5104Deck General70% to pass
When extracting the legs from the soil, the hull of the COASTAL DRILLER may be pulled down until the draft is _______________.
AI Explanation
The correct answer is A) one foot deeper than calculated afloat draft.
When extracting the legs of a jack-up rig like the COASTAL DRILLER from the seabed, the hull may be pulled down until the draft is one foot deeper than the calculated afloat draft. This is to ensure the hull's stability and prevent the rig from becoming unstable or overturning during the leg extraction process. The other options are incorrect because they do not accurately reflect the expected draft increase during this operation.
Related Questions
#5102 While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected inclination to port and aft. Strong winds and high waves are from the starboard bow. Among the possible causes, you should consider _______________.#5103 While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected inclination to starboard and aft. Strong wind and high waves are on the port bow. Among the possible causes, you should consider _______________.#5105 On the COASTAL DRILLER, a noticeable increase in the level indicator while extracting the legs from the soil indicates _______________.#5106 Among the possible causes of unexpected constant inclination of the floating COASTAL DRILLER is _______________.#5107 The COASTAL DRILLER is operating with a wave clearance of about 20 feet. The out-of-level alarm sounds and the unit is found to be inclined 0.5 degree bow down. The recommended course of action is to _______________.