Buckley Leverett Formulation & Saturation — Lesson 4

This lesson covers the concept of flow through porous media, focusing on the Buckley Leverett front and its progression through a porous medium. It explains the two regimes on the x-axis, the pore volumes of injected fluid (water), and the cumulative recovery on the y-axis. The lesson further discusses the concept of immiscible flow, the breakthrough of the wetting phase, and the production of wetting and non-wetting phases at the outlet. It also introduces the concept of average saturation (S_w_bar) and how it changes over time due to the displacement of oil by water. The lesson concludes with the prediction of oil production versus wetting phase injection and the saturation profile over the length.

Video Highlights

00:28 - Introduction to the Buckley Leverett front and its progression through a porous medium
02:13 - Discussion on the breakthrough of the wetting phase and the production of wetting and non-wetting phases at the outlet
11:15 - Introduction to the concept of average saturation and its change over time
22:53 - Prediction of oil production versus wetting phase injection and the saturation profile over the length

Key Takeaways

- The Buckley Leverett front progresses through a porous medium in two regimes.
- The breakthrough of the wetting phase leads to the production of both oil and water at the outlet.
- The average saturation (S_w_bar) changes over time due to the displacement of oil by water.
- The prediction of oil production versus wetting phase injection and the saturation profile over the length can be determined using the concepts discussed.