... presents type curves are more gently and less than that obtains from the method of start-up pressure gradient. Also, this non-linear effect measure makes derivative of pressure curve less and more early time than that gets from the closed boundary effect and there are be obviously distinction. This study...

... calculation corresponding value pressure curve trend pressure well testing data asia government pulse method brigham relation multi pair generalization china government table 2 numerical relation correspond well testing cab flg em atm INTRODUCTION In 1966, Johnson et al, suggested...