Modeling of Complex Bottom Hole Assemblies in Curved and Straight Holes

Authors: S. Miska, W. Miska

Characterization of Quality of Raw Material for the Production of Cement from the Folwark Deposit in the Opole Cretaceous Trough (Western Part of Upper Silesia. Poland)

Authors: K. Probierz, M. Łozińska, M. Kaliski

Mathematical Model of Gas out Flow from Abandoned Coal Mine Through Untight Shaft Under the Influence of Atmospheric Pressure Changes

Authors: J. Sułkowski, P. Wrona

2^nd and 3^rdOrder Finite Difference Methods with Counter-Error Formulations for Solving the Convection-Diffusion Equation

Authors: Xiangwen Wang, Boyun Guo1, Ali Ghalambor

Computer Simulation of Flow of Air and Methane Mixture in the Longwall – Return Crossing Zone

 Author: Marian Branny