132 135 Chapter 6 The foundation of water /oil displacement theory 6. I The Piston Like Water Displacing Oi 38 6. 2 The bottom water cone 144 6. 3 The theoretical foundation of non-piston like water displacing oil Exercises 175 Chapter 7 The seepage theory of oil-gas two phases( dissolved gas drive 177 7.1 The basic differential equation of oil-gas two-phases seepage flow 177 7.2 The oil-gas two-phase steady seepage flow 180 7.3 The unsteady seepage flow of gassy fluid Exercises 190 Chapter 8 Seepage flow in dual-media 8. I The seepage characteristics in dual-media 8. 2 The basic seepage cquation of single-phase slightly compressible fluid in 192 8.3 The pressure distribution in infinite dual-media 8. 4 The oil-water two-phase seepage flow in the dual-media 198 8. 5 The seepage of tluid in pure fracture formation 206 Chapter 9 The seepage of non-Newtonian liquid 9. I The mechanical behavior and ty pe of non-Newtonian liquid 9. 2 The seepage of non-Newtonian power law liquid Chapter 10 The theory of similarity 10. I The concept of similarity 10.2 The kinematical and dynamic similarity 10.3 The scaled physical model and law of similarity 10. 4 The dimension analysis examples for the known equation of physical asten 10. 5 The examples of analo 10. 6 The partial similarity in the scaling model 10. 7 The special aspects of standard fitting of porous medium model Appendix a The flow equation in cylindrical coordinate 236 Appendix b to obtain the solution of one-dimensional unsteady llow by the laplace transiormation