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4. Say we have a 6000 ft well 13 inches in diameter and we lower 10.75 inch casing into the well at 3 fps. The fluid is1215cp mud. What will

the pressure at the bottom of ppg the well be when all 6000 feet of casing are in the well.Assume the casing is floated in...(be sure to include the static head as well as surge)= closed at the bottom.

Fig: 1