Automated Rod Handling System - Deep Rock
2013-4-29u2002·u2002DeepRock Automatic Breakout System The drill rods have two important features: They have upset tool joints, which is to say the threaded connectors on each end are larger in diameter than the long section of pipe in the middle. The other feature is a pair of ribs, or fins, or lugs welded at the female end of the drill rod. Welded lugs at female ...
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