When the COASTAL DRILLER is elevated, the...

🔍 Key Concepts

• Jack-up rig elevation and what happens to normal sea chests/intakes when the hull is raised out of the water • Primary purpose of mud pumps, fire pumps, raw water tower pumps, and bilge pumps on an offshore drilling unit • How a saltwater eductor gets its motive water when the hull is not directly in the sea

💭 Think About

• When the COASTAL DRILLER is elevated, which pumps still have a reliable suction source in the sea? • Which of these pump types is specifically intended to supply seawater to several systems (including eductors) rather than being dedicated to just mud circulation, firefighting, or bilge water? • Think about which system is designed to work even when the rig’s main hull is high above the water surface.

✅ Before You Answer

• Verify the primary function of mud pumps vs. fire pumps vs. bilge pumps vs. any dedicated raw-water supply pumps on a jack-up rig. • Check which system is designed to maintain continuous seawater suction when the rig is jacked up and the hull is clear of the waterline. • Confirm which pumps are normally tied into the saltwater eductor system rather than used only for emergency or specialized service.

When the COASTAL DRILLER is elevated, the water for the saltwater eductor system is provided by __________.

mud pumps

fire pumps

raw water tower pumps

bilge pumps

🔍 Key Concepts

💭 Think About

✅ Before You Answer