http://cg.tutsplus.com/tutorials/maxon-cinema-4d/create-a-stylish-liquid-type-logo-using-cinema-4d-realflow-and-after-effects/

In this in-depth, 86 step tutorial, you will learn how to create a stylish liquid looking logo using Next Limit’s Realflow. Using Cinema 4D as the main 3D package, you will learn how to integrate Illustrator and After Effects to efficiently design, simulate, export, and render your final animation.