9df11f1f7372ec7bffff9033ffffe417

9df11f1f7372ec7bffff9033ffffe417 - Chapter 4 Drilling...

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Chapter 4 Drilling
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Preparing the Site Rigging Up Spudding In (Drilling the Surface Hole) Tripping Out Running Surface Casing Cementing Casing Tripping In Controlling Formation Pressure Drilling to Final Depth Setting Production Casing
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Construction Roads Cellar Conductor Pipe/Casing (Typically 20-100 ft) Earthwork Reserve Pits
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Assembling the Drilling Rig http://www.osha.gov/SLTC/etools/oilandg as/drilling/rigging_up.html
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Initial Drilling Larger diameter drill bits typically 17 ½” or larger. Drill to a predetermined depth to get past any water sources that could be contaminated.
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Removing the Drill String from the hole. Very important to watch the speed at which you remove the drill string. http://www.youtube.com/watch?v=zV3iYWgJowg Tripping To Fast http://www.youtube.com/watch?v=sYTO_0_0ReQ &
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Casing is heavy-duty steel pipe that is cemented
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9df11f1f7372ec7bffff9033ffffe417 - Chapter 4 Drilling...

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