The COASTAL DRILLER, elevated in 200 feet of...

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Question 1 of 2066636ee728f7522a1c517719

The COASTAL DRILLER, elevated in 200 feet of water, has two knots of current and 70 knot winds. With a maximum leg reaction of 5,840 kips, the maximum wave height for drilling is __________.

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Question 1 of 20

66636ee728f7522a1c517719

The COASTAL DRILLER, elevated in 200 feet of water, has two knots of current and 70 knot winds. With a maximum leg reaction of 5,840 kips, the maximum wave height for drilling is __________.

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🔍 Key Concepts

• Jack-up rig leg reaction limits and how environmental loads (waves, wind, current) contribute to total leg reaction • Relationship between wave height and base shear / leg loads for a jack-up in a given water depth • How maximum allowable environmental criteria for drilling are set by structural limits, not comfort or operability alone

💭 Think About

• How would increasing the significant wave height affect the leg reaction on a jack-up rig that is already in 70-knot winds and 2 knots of current? • Given a maximum leg reaction of 5,840 kips, which choice seems too low to be a practical limiting wave height, and which seem high enough that they might overstress the legs? • In 200 feet of water with very high wind, would the limiting wave height for SAFE drilling usually be closer to a moderate sea state or a near-extreme storm condition?

✅ Before You Answer

• Compare each wave-height option to typical operational vs survival environmental limits for jack-up rigs; operational (for drilling) is usually significantly less than storm survival • Ask whether 70-knot winds plus 2 knots of current already suggest you are near the upper end of drilling conditions, and which wave height matches that level of severity • Eliminate any option that seems more suitable for survival-only (legs down, not drilling) rather than active drilling operations

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Question 1 of 2066636ee728f7522a1c517719

The COASTAL DRILLER, elevated in 200 feet of water, has two knots of current and 70 knot winds. With a maximum leg reaction of 5,840 kips, the maximum wave height for drilling is __________.

Back

Question 1 of 20

66636ee728f7522a1c517719

The COASTAL DRILLER, elevated in 200 feet of water, has two knots of current and 70 knot winds. With a maximum leg reaction of 5,840 kips, the maximum wave height for drilling is __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed