How to Calculate and Solve for Total Production Time, Stabilized Well Flow, Cumulative Production before Shut-In | Well Testing | Nickzom Calculator

The image represents the total production time.

To compute for the total production time, two essential parameters are needed and these parameters are Cumulative Production before Shut-In (Np) and Stabilized Well Flow (Qo).

The formula for calculating the total production time:

tp = 24Np / Qo

Where:

tp = Total Production Time
Np = Cumulative Production before Shut-In
Qo = Stabilized Well Flow

Let’s solve an example;
Find the total production time when the cumulative production before Shut-In is 24 and the stabilized well flow is 43.

This implies that;

Np = Cumulative Production before Shut-In = 24
Qo = Stabilized Well Flow = 43

tp = 24Np / Qo
tp = 24 x 24 / 43
tp = 576 / 43
tp = 13.39

Therefore, the total production time is 13.39 hrs.

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