Page 130 - Formulas and Calculations for Petroleum Engineering

Drilling engineering formulas and calculations Chapter 2 123

Output(s)

V: Volume increase per 100 bbl (bbl/100bbl)

Formula(s)

W W 1
2
V ¼ 100
40 W 2

Reference: Formulas and Calculations for Drilling, Production and Workover, Second Edition, Lapeyrouse, Page: 82.

2.112 Initial volume required to achieve a volume with barite

Input(s)
W 1 : Initial Mud wt. (ppg)
W 2 : Required mud wt. (ppg)
V f : Final Volume (ppg)

Output(s)

V i : Starting Volume (bbl)

Formula(s)

35 W 2
V ¼ V
i f
35 W 1

Reference: Formulas and Calculations for Drilling, Production and Workover, Second Edition, Lapeyrouse, Page: 82.

2.113 Initial volume required to achieve a volume with calcium carbonate

Input(s)
W 1 : Initial Mud wt. (ppg)
W 2 : Required mud wt. (ppg)
V f : Final Volume (ppg)

Output(s)

V i : Starting Volume (bbl)

Formula(s)

22:5 W 2
V ¼ V
i f
22:5 W
1
Reference: Formulas and Calculations for Drilling, Production and Workover, Second Edition, Lapeyrouse, Page: 83.