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A drillstring is composed of drilling string of X bbl of Y-in, Z Ibm/ft deilipipe and Xl R of drill collars having a X2 in
A drillstring is composed of drilling string of X bbl of Y-in, Z Ibm/ft deilipipe and Xl R of drill
collars having a X2 in 1. D, and X3 in O.D. Determine:
a) Length of the drillpipe (Hints: Table 1.5 in your textbook)
b) Displacement of the drill pipe in bbl/At (hints: mud displacement through BF calculation).
c) Change in fluid level in a 4 x 4' trip tank; assume that the hole is filled from the trip tank after
tto, pulling 2 stands of drill collars.
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