1947: USA OIL INDUSTRY: DRILLING: TU/TD Oil derrick, men working at base, driller checking gauges, CU Rotary rig drill t

The video tutorial explains the process of leasing an area for oil drilling and the subsequent testing by drilling. It highlights the importance of training drilling crews to extract oil efficiently and without waste, emphasizing the need for high skill and coordination. The driller plays a crucial role in controlling the drill bit with precision as it approaches the oil-producing formation.

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