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Petrolia Discovery, The Doors Open Lambton County


Petrolia Discovery, The

Built in 1903, the Fitzgerald Rig is still the largest pumping rig in the world. It has been operating continuously for nearly a century. Initially, it was powered by steam. Later, it used an internal combustion engine – and, finally, an electric motor. The rig takes its name from the man who erected it – Frederick Ardell Fitzgerald – Imperial Oil’s first president.

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Contact info

4281 Discovery Line
Petrolia, Ontario


Year built: 1903

Dates/hours open

Saturday September 28, 2019
Saturday: 10 a.m. to 4 p.m.

Petrolia Discovery, The 4281 Discovery Line