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Keyword [High-strength drill pipe]
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1. Optimized Design Of New High-strength Drill Pipe
2. Behavior Of Notch Fatigue Of S135 Drill Dipe In Organic Salt Drilling Fluid
3. Prophase Research On Light-weight High-strength Drill Pipes In Ultradeep Drilling
4. Effect Of Temperature On Mechanical Properties Of Ultra-High Strength Drill Pipe Steel Grade
5. Study On Mechanical Properties Of Ultra-high Strength Drill Pipe Steel At Different Loading Rates
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