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View Full Version : Nodding Donkey Pumpjack discussion



sladys
08-18-2007, 01:48 PM
This is a discussion thread for the following file:<br><br><b><a href=http://www.gearthhacks.com/dlfile26497/Nodding-Donkey-Pumpjack.htm>Nodding Donkey Pumpjack</a></b><br><br>A pumping unit located near Drumheller, Alberta, Canada. These units mechanically lift crude oil from the ground. A nodding donkey or horsehead pump is the above ground drive for a reciprocating piston pump installed in a borehole.<br><br><img src=http://www.gearthhacks.com/images/new/080505/966476pump.jpg>