Page 128 - Formulas and Calculations for Petroleum Engineering
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Drilling engineering formulas and calculations Chapter 2 121
Formula(s)
C2a ¼ v1
C2b ¼ v1
v2a ¼ 0:5 C1 1 + cos yðÞÞ
ð
ð
v2b ¼ C1 1 cos yðÞÞ
Reference: Transport Phenomena, Second Edition, Bird, Page: 201.
2.106 Increase mud density by barite
Input(s)
W 1 : Initial Mud wt. (ppg)
W 2 : Required mud wt (ppg)
Output(s)
B: Sacks of barite required per 100 bbl (stroke/100bbl)
Formula(s)
W W 1
2
B ¼ 1470
35 W
2
Reference: Formulas and Calculations for Drilling, Production and Workover, Second Edition, Lapeyrouse, Page: 81.
2.107 Increase mud density by calcium carbonate
Input(s)
W 1 : Initial Mud wt. (ppg)
W 2 : Required mud wt (ppg)
Output(s)
B: Sacks of Calcium Carbonate required per 100 bbl (stroke/100bbl)
Formula(s)
W W 1
2
B ¼ 945
22:5 W
2
Reference: Formulas and Calculations for Drilling, Production and Workover, Second Edition, Lapeyrouse, Page: 82.
2.108 Increase mud density by hematite
Input(s)
W 1 : Initial Mud wt. (ppg)
W 2 : Required mud wt. (ppg)
