Classic bit kinematics - 3. Pure rolling of bit cones doubles performance
Application of trenchless methods for pipelines renovation on mining areas
North Sea operators drilling varied projects. Drilling market focus
Latest innovations in surface mining
Based on Numerical Simulation to Investigate the Process of Gas Explosion Accident in Coal Mine
Deepwater gas development off Egypt overcomes challenges
Foamed cement job successful in deep HTHP offshore well
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
Combined Impacts of Sand Mining Activities: The Nandu River Downstream Segment
Driving a large tunnel in difficult ground at Engelberg
Hvalfjördur - Iceland's first tunnel built under the sea
Highlighting Scandinavian tunnelling