Oil and Gas

Deep drilling: From salt to petroleum

Early methods of transporting petroleum

Indiana's first oil refinery

Petroleum: Cable-tool drilling rigs

Petroleum: Costs of drilling are high

Petroleum: Drilling contractors

Petroleum: The geologist and the geophysicist

Petroleum: Marine or offshore drilling

Petroleum: The pumping unit

Petroleum: Refining

Petroleum: Rotary drilling

Petroleum: Transportation

Rock "traps" produce petroleum

"Shooting the well": An exciting event in early days

The Trenton Field: Energy for the past - and future?

Wildcat drilling: Once chance in twenty