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drill rigs



Drilling Rigs - Kenny Allen

Drilling rigs come in many sizes and do many jobs. Some machines drill thousands of feet under the ground. The biggest rigs reach distances of up to 8 miles below the surface. Readers will also learn about oil platforms-the drilling rigs of the se......

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22.60 USD
XSeller keywords: are made, how things work, tools

Oil Capital: The History Of American Oil, Wildcatters, Independents And Their Bankers - Jr. Bernard F Clark

The history of oilmen and the energy bankers who loan them capital is inextricably bound together. Energy bankers have reacted, adjusted and evolved alongside the same business cycles, regulatory changes and commodity-price gyrations that have cha......

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19.00 USD