Question 4919Deck General70% to pass
Drilling loads on the COASTAL DRILLER are the combined loads arising from conductor tension, rotary, hook, and _______________.
AI Explanation
The correct answer is B) setback loads.
Drilling loads on the COASTAL DRILLER, which is a type of offshore drilling rig, are the combined loads arising from conductor tension, rotary, hook, and setback loads. Setback loads refer to the additional loads created by the weight of the drill pipe, drill collars, and other equipment stored in the setback area of the rig. These setback loads contribute to the overall drilling loads that the rig must be designed to withstand.
The other options are incorrect because: A) basic loads do not specifically include the setback loads, C) fixed loads are loads that do not change during operation, and D) variable loads are loads that can change during operation, but setback loads are a specific type of load that must be accounted for in the overall drilling load calculations.
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#4917 Adequate horsepower is of great importance when a ship is navigating independently in ice. Adequate horsepower is generally considered to exist when the horsepower to length ratio is at least _______________.#4918 A jack-up level at 12.5 feet draft transfers 100 kips of drill water from a tank with a TCG of -30 feet to a starboard tank with a TCG of 70 feet. The resulting starboard draft is 13 feet. The moment required to change list one inch (MCL1") is _______________.#4920 Considering the changes to lightweight shown in Section 5 of the COASTAL DRILLER Manual, with the rotary 36 feet aft of the transom and 4 feet to port of the centerline, and with 300 kips in the setback, the maximum hook load is limited to _______________.#4921 For operations in pack ice, a vessel should _______________.#4922 While in ocean transit at a draft of 10 feet, the Coastal Driller has a maximum allowed KG of _______________.