You have a wellbore that is drilled to 3,298 feet measured depth. Inside it, the customer ran 3,297 feet of 11.75 inch O

[answerhappygod]

You have a wellbore that is drilled to 3,298 feet measured
depth. Inside it, the customer ran 3,297 feet of 11.75 inch
OD, 27 pound/linear foot casing with 11 inch ID. After pumping
cement, we will drop a plug and displace to within 80 feet of
the bottom of the pipe. How many barrels of displacement fluid
do you need?
(1bbl =5.6146 cubic feet, 1foot = 12 inches)
378.32
3217
80
95.0334