Classic bit kinematics - 3. Pure rolling of bit cones doubles performance
Application of trenchless methods for pipelines renovation on mining areas
Somport-Tunnel: dritte Hauptverkehrader zwischen Frankreich und Spanien
North Sea operators drilling varied projects. Drilling market focus
Latest innovations in surface mining
Deepwater gas development off Egypt overcomes challenges
Foamed cement job successful in deep HTHP offshore well
Die Stahlberger Grubenbahn : auf schmaler Spur von Müsen nach Dahlbruch
Using the hypergeometric model to analyze the buckling of drillstrings in curved boreholes
Study on the Drilling Formation Selection and Risk Analysis of the Directional Drilling
Heavy-duty quarry dump trucks, road-bulding and auxiliary transport