Basic Time Functions

Flow Time t
tc

 

Shut-In Time
Horner Time

Superposition Time


 

Equivalent Time

Root Time


Tandem Root Time

Quad Root Time

Tandem Quad Root Time

Complex time functions like superposition linear equivalent time and many others are simply derived from the above equations. Subscripts not shown above, but used for linear and bilinear functions are L and B, respectively.