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1. Petroleum Engineering 406
2. Lesson 9 - Outline Floating Drilling Vessels
Types of Motion
Types of Waves
When is Drilling Possible (WOW)
Vessel Capacities
3. Read
4. 4
5. 5
6. 6
7. 7
8. 8 Motions restricted to the horizontal plane SURGE: Translation fore and aft (X-axis) SWAY: Translation port and starboard (Y-axis) YAW: Rotation about the Z-axis (rotation about the moonpool) Motions that operate in vertical planes HEAVE: Translation up and down (Z-axis) ROLL: Rotation about the X-axis Pitch: Rotation about the Y-axis
9. 9 Wave Direction
10. 10 Typical Vessel Motion Limits Criteria
11. 11
12. 12
13. 13
14. 14
15. 15 Some Definitions
16. 16
17. 17
18. 18