What is the best formation for oil migration?

Movement of peutroleum from source rock toward a reservoir or seep defines migration. Primary Migration is expulsion of petroleum from fine-grained source rock, while seconndary migration  moves petroleum through a coarse-grained carrier bed or fault to a reservoir or seep. Tiatiary migration  occurs when petroleum moves from one trap to another or to a seep.

Pressure, Temperature, permeability, cappilarity, surface tension and density are the main physical parametres controlling migration. 

Movement of HCs (oil/gas) from a source rock (organic rich fine-grained lithology, e.g. shale) toward a reservoir (porous and permeable lithology, e.g. sandstone, carbonates) trapped under impervious seal is called migration. HC migration is primarily controlled by formation pressure, temperature, porosity, permeability, tortuosity, fluid density and viscosity etc.

In case of oil migration, the best formation should be characterized by high porosity, high permeability, less tortuosity, high thermal and pressure gradients.

Primary Migration occurs in fine grained source rocks whereas Secondary migration occurs from the porous and permeable reservoir to the trap or seal. I think the best formation may be a little hard to answer but definitely any rock porous and permeable will allow oil to easily migrate.

those rock which have high porosity and permeability can be best for oil migration

Any formation that is porous and permeable is good for reserviour provided it has a good lateral extend for accumulation and seal or cap that act as trap

Formation that has high porosity and high permeability is the best formation for oil migration.

the good formation for oil migration wich high porasity and  permeability example reservoir rock ex sandstone and their have two type of migration for oil ang gas primary and secondry migration 

Any formation that have high Porosity and Permeability. e.g Sandstone. 

Any formation that is porous and permeable is good for reserviour ex Sandstone & we can make a structural , stratigraphic , or mixed trap then covered by a seal or cap such as clay .

The best formation for oil migration is those layers having complete structure and stratigraphy traps and ofcourse in the silisiclastic or carbonate formation which having good porosity and permeablity.

 The best are sedimentary rocks with the availability of cap rock