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Drill Science Corporation Drill collar Weight and Bouyancy

Weight Calculations

Bouyancy: BF = 1 - (EMW/65.5)
Drill Collar Weight: DC Weight = (π/4) x [(dout)2 - (din)2] x 490
Variable Value
EMW ppg
din in.
dout in
length feet
Bouyancy Factor Weight Per Foot (lbs/ft) Bouyant Weight Per Foot (lbs/ft) Total Weight Total Bouyant Weight