sustainability - SUNY College of Environmental Science and Forestry

(Ben Green) #1

Sustainability 2011 , 3 2065


Figure 12. Correlation between drilling fuel consumption and drilling investment. Both
exploratory and production drilling are included. R^2 = 0.83.

Figure 13. Correlation between drilling activity and drilling investment. Both exploratory
and production drilling are included. R^2 = 0.66.

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1991 1996 2001 2006

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Drilling activity Drilling monetary investment

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1991 1996 2001 2006

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Drilling activity Drilling investment

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