Drilling ton miles - Coring operation ton miles
Input(s)
\(\mathrm{T}_{4}\): Ton Miles for One Round Trip-depth Where Coring Stopped Before Coming out of Hole (ton miles)
\(\mathrm{T}_{3}\): Ton-miles for One Round Trip-depth Where Coring Started After Going in Hole (ton miles)
Output(s)
\(\mathrm{T}_{\mathrm{c}}\): Coring Operation Ton Miles (ton miles)
Formula(s)
\[
\mathrm{T}_{\mathrm{c}}=2 *\left(\mathrm{~T}_{4}-\mathrm{T}_{3}\right)
\]
Reference(s)
Lapeyrouse, N. J., 2002, Formulas and Calculations for Drilling, Production and Workover, Second Edition, Gulf Professional Publishing, Page: 46