Care and maintenance of blocks, top drives, and rotaries [videorecording] /
This video shows rig crewmembers how to safely and properly maintain the blocks, top drive, and rotary table on their rig. Although maintenance is primarily a matter of proper lubrication at the proper time, the program also stresses the importance of safe working practices while a person is suspend...
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[Austin, TX] : Petroleum Extension Service, University of Texas at Austin,
2001
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