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Aufbohrwerkzeug
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The Research Progress of Automatic Drilling Technology
Design Research and Technical Application of the Multi-Type-Pile Composite Foundation
The Combined Guiding Hole Technology of Large Diameter DTH Hammer and Long Screw-Pile Driver
The Combined Guiding Hole Technology of Large Diameter DTH Hammer and Long Screw-Pile Driver
Experimental study on drilling basalt with small diameter drilling tools
Design of a robotic orbital driller for assembling aircraft structures
Research and Application of 9-5/8″Retrievable Casing Drilling Technology
Shock Wave Stress Concentration to Solve Large Drill-Jamming Problem
The Killing Method of Exceptional Operating Conditions Well
Research and Exploration of Waste Money Drilling Technology
Sectionalized Mechanical Models of Drilling Tool of Trenchless Directional Drilling
A New Method for Dynamic Position Measurement While Drilling String Rotating
Downhole Propulsion/Steering Mechanism for Wellbore Trajectory Control in Directional Drilling