Data: Ocean floor 1.3km below surface, density of seawater 1030kh/m^3, density o

Question

Data: Ocean floor 1.3km below surface, density of seawater 1030kh/m^3, density of oil 720kg/m^3, density of heavyweight drilling mud 1900kg/m^3, overpressure at the capped well-head 6500psi, well pipe diameter 0.5m, one barrel is equivalent to 159 liters.

Already calculated the absolute pressure of saltwater at the ocean floor = 13223525 Pa and absolute pressure at the capped well-head = 44917247.4 Pa,

Questions:

a) Calculate the length of the column of mud that must displace the column of oil to give a pressure equal to that of the saltwater pressure at the ocean floor.

b) How many barrels of mud were pumped down the well to produce this equilibrium condition?

Explanation / Answer

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