Drake Well Museum does a great job of describing the history of the Oil Region plus they have an extensive library and many photos.
History in Our Backyard Many of the old photos in this film are from the Drake Well Museum and show the hill sides of the Oil Creek Valley
Introduction to Oil History by Samuel T. Pees.
Central Power engines were common in the Oil Creek valley.Pumping wells with a Central Power
Here are a few videos on how they worked.Oil Field Bandwheel Central Power Part 1
Oil Field Bandwheel Central Power Part 2
Oil Field Bandwheel Central Power Part 3
The following are a few links to the History of Oil in some interesting videos.
The Evolution of the Oil Industry - Educational Documentary (1940's & 50's)