O'Reilly logo

Well Test Analysis for Multilayered Reservoirs with Formation Crossflow by Chengtai Gao, Hedong Sun

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Appendix I

Limiting Behavior for fD(pwD1-pwD2) (Chapter 9)

I.1 Early Time Period

In the early time period after the well is being produced, the flow is controlled almost completely by wellbore storage. The rates of the formations are negligible. From Eqs. (H.9)(H.11) we have

αDpwD1pwD2+CD1dpwD1dtD=1

si2_e  (I.1)

αDpwD1pwD2CD2dpwD2dtD=0

si3_e  (I.2)

and boundary conditions

pwDjtD=0=0,j=1,2

si4_e  (I.3)

Subtracting Eqs. (I.1), (I.2) and integrating, we ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required