# Gather data, including [[permeability]] of carrier beds, [[Wikipedia:Viscosity|viscosity]] of oil, fluid density, and [http://www.glossary.oilfield.slb.com/en/Terms/p/pore_pressure.aspx pore pressure] gradient. | # Gather data, including [[permeability]] of carrier beds, [[Wikipedia:Viscosity|viscosity]] of oil, fluid density, and [http://www.glossary.oilfield.slb.com/en/Terms/p/pore_pressure.aspx pore pressure] gradient. |