1975 · 19 citations · 1 references
EngineeringGeological EngineeringMining EngineeringDrillingDrilling EngineeringGeotechnical EngineeringBorehole StabilityDrilling EquipmentDrilling HydraulicsDrilling MechanicsDrilling OperationsRotary DrillingBorehole ConstructionBorehole DrillingRotary Drilling Effects
1
Degasification of virgin Pittsburgh coalbed through a large borehole
H. H. Fields · 1973 · 15 citations
Engineering, Earth Sciences, Geology +13