Well Productivity in Arbitrarily Inclined Wells

Mochizuki, S., BP Exploration Inc.
Presented at SPE Reservoir Optimization Symposium, San Antonio, Texas, February 1995.


This work extends Peaceman’s equation to a well areally and vertically inclined at arbitrary angles with respect to grid lines in anisotropic reservoirs. The method is based on the transformation of the anisotropic flow equation to a homogeneous equation, and Interpolating the effective well block radius, wellbore radius, and equivalent well length as a function of angles.