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
Based on Numerical Simulation to Investigate the Process of Gas Explosion Accident in Coal Mine
Latest innovations in surface mining
Using the hypergeometric model to analyze the buckling of drillstrings in curved boreholes
Foamed cement job successful in deep HTHP offshore well
Study on the Drilling Formation Selection and Risk Analysis of the Directional Drilling