Drilling with steam power was state-of-the-art for the 1920s, but by 1935 Rowan was moving ahead of the industry by purchasing its first diesel electric rig. In the late 1930s, the company extended its reach beyo. [pdf]
When brothers Charlie and Arch Rowan had the opportunity to purchase a drilling rig in 1923, they decided to seize the day. Charlie, who had experience in the oil fields with Humble Oil, convinced Arch t. [pdf]
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