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August 2009 – Standard Penetration Test (SPT) Hammer Efficiencies For Caltrans Drill Rigs
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Document Date: 2012-05-18 11:34:50
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File Size: 58,68 KB
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Oilfield terminology
Petroleum engineering
Drilling rig
Petroleum geology
Drill
Hammer
Technology
Human–machine interaction
Metalworking hand tools
August 2009 – Standard Penetration Test (SPT) Hammer Efficiencies For Caltrans Drill Rigs