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Keyword [drill pipe]
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1. Research On Reverse Circulation Down-the-hole Hammer Drilling With Casing Technology
2. Simulation Research On Drill Pipe Of 2000 Meter Water Well Rig
3. The Mechanical Analysis Of Nonrotating Drill Pipe Casing Protector Used In The Oil Wells
4. The Study Of Transfer Of Power Used In Roll Drilling In Deep Well
5. Research On The Drill Pipe Transportation Manipulator Of Horizontal Directional Driller And The Control System
6. Performance Analysis And Optimum Design Of Work Device Of Rotary Drill
7. Analysis Of Torsional Vibration Characteristics For The Drill Pipe In Core Drilling And Related Applications
8. Development And Simulation Of The Moon Sample Drilling Platform
9. Interference Cold Assembling Of Aluminum Alloy Drill Pipe Body With Steel Tool Joint
10. Design And Experimental Research Of Geological Drilling Pipe Automatic Handling Device
11. Complex Formation In The Deep Rope Take Heart Improvement Of The Drill Pipe And Drill
12. Failure Of The Drill Pipe Rotary Drilling Rig
13. Design And Analysis Of Geophysical Rig
14. Numerical Simulation And Experimental Research On Interference Hot Assembling Connection Of Aluminium Alloy Drill Pipe Body With Steel Tool Joint
15. Development And Analysis Of Closed-Cycle DDTH Air Hammer And Three Channels Drilling System Used In Oil And Gas Exploration Drilling
16. Design Of Hydraulic Automatic Catwalk For Deep Drilling Rig
17. Research On New Direct Coupled Type Wire-line Coring Drill Pipe And Drill Utensil
18. Research On Extrusion Forming Of Variable Cross Section Pipe And Thread Optimization Of Aluminum Drill Pipe
19. Study On Fatigue Test And Life Prediction Of Outer-flat Drill Pipe For Drilling In Coal Mines
20. Study On The Improvement Of Microstructure And Properties Of Lightweight High Strength Aluminum Alloy Drill Pipe
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