Drill pipe or drill collar displacement and weight

Input(s)

ID: Inner Diameter (in.)

OD: Outer Diameter (in.)

Output(s)

Disp: Drill Pipe/drill Collar Displacement (bbl/ft)

W: Drill Pipe/drill Collar Weight $(\mathrm{lb} / \mathrm{bbl})$

Formula(s)

$$ \begin{gathered} \text { Disp }=\frac{\mathrm{OD}^{2}-\mathrm{ID}^{2}}{1029.4} \\ \mathrm{~W}=\text { Disp } * 2747 \end{gathered} $$

Reference(s)

Lapeyrouse, N. J., 2002, Formulas and Calculations for Drilling, Production and Workover, second edition, Gulf Professional Publishing, Page: 25.