Live Engineering Dashboard

Well Testing Toolbox

Interactive Tools

Engineering calculators and conversion utilities for field work.

Bottoms Up Time Estimation

Lag Time Calculation

$$\text{Time (mins)} = \frac{\text{Tubing Volume (bbls)}}{\text{Flowrate (bpm)}}$$
$$T_{min} = \frac{V_{tubing}}{q_{bpm}}$$
$$q_{bpm} = \frac{q_{bpd}}{1440}$$
Show Symbols Definition (تعريف الرموز)
Symbol Definition Unit
$T_{min}$Bottoms Up Time (Total Minutes)min
$V_{tubing}$Total Tubing or String Volumebbls
$q_{bpm}$Flow rate per minutebpm
$q_{bpd}$Flow rate per daybpd
$1440$Total minutes in 24 hoursmin/day