Drilling ton miles - Drilling/connection ton miles

Input(s)

$\mathrm{T}_{2}$: Ton Miles for One Round Trip-Depth Where Drilling Stopped Before Coming out of Hole (ton miles)

$\mathrm{T}_{1}$: Ton-miles for One Round Trip-Depth Where Drilling Started (ton miles)

Output(s)

$\mathrm{T}_{\mathrm{D}}$: Drilling/connection Ton Miles (ton miles)

Formula(s)

$$ \mathrm{T}_{\mathrm{D}}=3 *\left(\mathrm{~T}_{2}-\mathrm{T}_{1}\right) $$

Reference(s)

Lapeyrouse, N. J., 2002, Formulas and Calculations for Drilling, Production and Workover, second edition, Gulf Professional Publishing, Page: 46.