Question 4437Deck General70% to pass
When elevating the COASTAL DRILLER in 150 feet of water, the unit should be placed at an air gap of _______________.
AI Explanation
The correct answer is B) 32 feet.
When elevating a COASTAL DRILLER in 150 feet of water, the unit should be placed at an air gap of 32 feet. This is in accordance with the regulations set by the US Coast Guard for offshore drilling units. The air gap is the vertical distance between the waterline and the lowest point of the drilling unit's deck to provide adequate clearance and prevent wave impact during operation. The 32-foot air gap ensures the stability and safety of the drilling unit in the given water depth of 150 feet.
The other options are incorrect because A) 35 feet would be excessive, C) 30 feet would be too little, and D) 25 feet would not provide the necessary clearance required by the regulations.
Related Questions
#4435 Lowering the hull of the COASTAL DRILLER and refloating should be done in favorable weather conditions with wave heights not more than _______________.#4436 When elevating the COASTAL DRILLER in 100 feet of water, the unit should be placed at an air gap of _______________.#4438 A mat-supported jack-up is best suited for drilling in locations with bottom conditions which are _______________.#4439 The COASTAL DRILLER is elevated in 192 feet of water. Leg penetration is 83 feet. The maximum leg reaction is 5,940 kips. The waves are 30 feet and the current is 2 knots. What is the maximum wind for drilling? #4440 Which data is NOT used in the Allowable Wind and Wave Charts for the COASTAL DRILLER?