A hole is drilled to a depth of 17,200 feet, using a drilling fluid that weighs 18.59 pounds per gallon. What is the Hydrostatic Pressure at the base of the boring?

A hole is drilled to a depth of 17,200 feet, using a drilling fluid that weighs 18.59 pounds per gallon. What is the Hydrostatic Pressure at the base of the boring?