... upstream oil & gas drilling operation bit design artificial intelligence machine learning neural network calgary bit selection strength reservoir geomechanics efficiency predictorname trainregressionmodel hardness compressive strength variablename correlation predictfcn...

... drilling fluid chemistry deformation wellbore design drilling fluids and materials reservoir geomechanics compressive strength coal seam wang petroleum university invasion journal zhang cleavage plane experiment fracture poisson criterion new drilling engineering International...

... drilling fluid are analyzed. In addition, mechanical tests such as triaxial compression test and tensile test were carried out on the original rock and the rock after soaking drilling fluid. The mechanical properties of rocks are studied, and compare and analyze the uniaxial compressive strength, elastic...