Changes

The characteristic constants ''A'' and ''B'' are the corresponding slope and the intercept of the straight line obtained from a Cartesian plot of the multiple rate test data ([[:file:fundamentals-of-fluid-flow_fig2.png|Figure 2c]]) in the following form:

The characteristic constants ''A'' and ''B'' are the corresponding slope and the intercept of the straight line obtained from a Cartesian plot of the multiple rate test data ([[:file:fundamentals-of-fluid-flow_fig2.png|Figure 2c]]) in the following form:

:<math>(p_{\rm R}{}^{2} - p_{\rm wf}{}^{2})/q\quad \mbox{versus}\quad (A + Bq)</math>

:<math>\frac{(p_{\rm R}{}^{2} - p_{\rm wf}{}^{2})}{q}\quad \mbox{versus}\quad (A + Bq)</math>

===Extended range undersaturated oil IPR===

===Extended range undersaturated oil IPR===