Capacity of tubulars and open-hole

Input(s)

$\mathrm{D}_{\mathrm{i}}$: Inner Diameter (in.)

Output(s)

C: Capacity of any Cylindrical Object (drillpipe, drill collars, tubing, casing, openhole) (bbl/ft)

Formula(s)

$$ \mathrm{C}=\frac{\mathrm{D}_{\mathrm{i}}^{2}}{1029.4} $$

Reference(s)

Lapeyrouse, N. J., 2002, Formulas and Calculations for Drilling, Production and Workover, Second Edition Gulf Professional, Publishing, Page: 16.

$2.33 CO2 solubility in oil and oil-mud emulsifiers

Input(s)

$p$: Pressure (psi)

a: Solubility Equation Constant (dimensionless)

$b$: Solubility Equation Constant (dimensionless)

$c$: Solubility Equation Constant (dimensionless)

Output(s)

$d r_{s\left(\mathrm{CO}_{2}\right)}: \quad \mathrm{CO} 2$ Solubility in Oil and Oil-Mud Emulsifiers $(\mathrm{SCF} / \mathrm{bbl})$

Formula(s)

$$ d r_{s\left(C O_{2}\right)}=\left(\frac{p}{a T^{b}}\right)^{c} $$

Reference(s)

Watson, D., Brittenham, T., \& Moore, P. L. (2003). Advanced Well Control (Vol. 10). Society of Petroleum Engineers, Page: 16.