Petroleum Industry
In this gallery are images of oil pumping facilities in the Bakken formation in northwestern North Dakota.
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Oil pumpers in the rolling hills in the Bakken shale oil fields near Williston, North Dakota, USA.
BakkenUSAWillistonenergyexplorationfieldshillsnorth dakotaoilpetroleumpumpersrollingshale0906donkey pumpernodding donkeypumping unithorsehead pumprocking horsebeam pumpdinosaursucker rod pumpgrasshopper pumpBig Texanthirsty birdjack pumppump jack
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