🔍 Key Concepts

• Purpose of P-tank systems on offshore supply vessels • Typical cargoes handled by pressure tank (P-tank) systems (e.g., mud, brine, cement) • How viscosity and solid particles affect pump and piping design

💭 Think About

• Think about what kinds of fluids and materials oilfield supply boats commonly move to and from offshore rigs. • Consider whether a standard liquid cargo system could safely and effectively move thick drilling muds or cement, or if a special system is needed. • Ask yourself: if chunks of material can be present, what does that imply about the pump clearances and flow paths in the system?

✅ Before You Answer

• Verify which cargoes are normally handled by P-tank / pressure tank systems (e.g., mud, brine, cement-related products). • Check whether these systems are specifically arranged to deal with high-viscosity fluids and possibly entrained solids. • Consider if "must be kept free of moisture and water" makes sense for equipment that routinely handles water-based muds and brines.