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Well No. Bit Type Depth in (ft) Depth out (ft) Rotating Time (hrs) Trip time (hrs) 1 XX 5,468 8,138 144 8 2 XY 4,973 7,795 180 8

Well No. Bit Type Depth in (ft) Depth out (ft) Rotating Time (hrs) Trip time (hrs) 1 XX 5,468 8,138 144 8 2 XY 4,973 7,795 180 8

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Determine the cost/ft for the following bit types which were used to drill the same type of formation in three wells. Which bit would you select for the next well? Assume bit cost = $10,000 and rig cost= 900 $/hr
Well No. Bit Type Depth in (ft) Depth out (ft) Rotating Time (hrs) Trip time (hrs) 1 XX 5,468 8,138 144 8 2 XY 4,973 7,795 180 8
Transcribed Image Text:Well No. Bit Type Depth in (ft) Depth out (ft) Rotating Time (hrs) Trip time (hrs) 1 XX 5,468 8,138 144 8 2 XY 4,973 7,795 180 8
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