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Keyword [Drill pipe]
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1. Research On Straightening Theory And Simulation Of Hydraulic Pressure System Of The Automatic Hydraulic Pressure Straightener
2. Research Of Drill Pipe Of Direct Current Excitation Magnetic Flux Leakage Detection Technology
3. Experimental Model And Simulation Analysis On Drill Pipe Of The Reconnaissance Drilling
4. Portable Magnetic Flux Leakage Non-destructive Inspection Instrument For Drill Pipe
5. Study On Drill Pipe's Bending Mechanism And Optimal Selection In Non-reaming Radial Drilling
6. Rotary Drilling Rig, The Stability Of The Telescopic Drill Pipe Strength Finite Element Method Analysis
7. Oil Drill Pipe Joints Ultrasonic Detection Method
8. Automated Ultrasonic Testing Method And System For Thickening Area Of Drill Pipe
9. Design And Analysis Of CFA Pile Construction Tools
10. Study On Schedule Plan And Control For Drill Pipe Comprehensive Reform Project In Baosteel Tube Plant
11. The Analysis And Optimalize Of The Machine-locked Drilling Rod Of Rotary Drill
12. Simulation Research On Drill Rod Vibration And Control Of A Rotary Drilling Rig
13. Drill Pipe Fault Identification Method Of Rotary Drilling Rig Based On EMD Principle And BP Neural Network
14. Drill Pipe Fault Diagnosis Based On Wavelet Transform And SVM
15. Research On Fault Identification Of Drill Pipe Drill Based On EWT And Feature Fusion
16. Structural Analysis And Optimization Design Of Drill Pipe System For Rotary Drilling Rig
17. Research On The Dynamic Characteristics Of TBM Airborne Anchor Rod Drill
18. Lateral vibration of non-rotating drill pipe conveying fluid in vertical holes
19. A numerical study of the effects of well path trajectory and drill pipe to hole geometry on torque and drag in deviated wells
20. Simulation Research On Vibration Law Of Friction Rod Of Rotary Drilling Rig
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