Buy the full 2 hour documentary now @ http:--energytrainingresources.com This is a 4 minute tutorial on drill bits, a cross section from our best in class -Oil and Gas Drilling: From Planning to Production- Buy the full video or check out more at www.energytrainingresources.com!
Tuesday, 28 August 2012
Drill Bits Tutorial- Oil and Gas Drilling: From Planning to Production
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