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Keyword [Drill Pipe]
Result: 81 - 100 | Page: 5 of 10
81.
Study On The Key Technology Of New Type Of Pressure Drilling Device With Drill
82.
Study On Simulation Model Of Transmission Line Communication System In Intelligent Drill String
83.
High Bending Bearing Drill Pipe Thread And Fatigue Behavior Research
84.
Research Of Key Technology Of Drill Pipe Data Transmission Based On Electromagnetic Induction
85.
Failure Mechanism And Improved Technology Research Of Trenchless Directional Drill Pipe
86.
Research On Failure Mechanism And Fatigue Life Prediction Of S135 Drill Pipe
87.
Development Of Key Manufacturing Technologies In High Strength And High Toughness S135 Drill Pipes
88.
Failure Analysis And Prevention Of The Oil Drilling Tools
89.
Driving Control And Experiment Research Of Acoustic Communication In Drill Pipe
90.
Design And Implementation Of Deep Well While-drilling Blowout Preventer Control System Based On RFID
91.
Study On The Coupling Whirling Motion Behavior And Control Method In System Of BTA Drill Pipe And Workpiece
92.
Research On Deviation And Correction Technology Of Axial Deviation Of Deep Hole Machining
93.
Research On Deflection Mechanism Of Deep Bore Axis Of BTA And Preventing Deviation
94.
Research On Laser Measurement Principle Of Drill Pipe Taper Thread And Error Analysis
95.
Analysis On Flow Field Of Closed-Cycle DTH Air Hammer Drilling System With Three Channels
96.
Design And Feasibility Study Of Perforated Drill Pipe For Inflatable Drilling
97.
Study On Fatigue Law And Fracture Mechanism Of Drill Steel
98.
Research On Key Technologies Of Mine Tunnel Drilling Rig And Its Drilling Tools
99.
Research On Thread Structure Of Drill Pipe Connection
100.
The Development Of The Oil Drill Pipe Thickening Segment Parameter Measuring Device
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