Wellbore curvature and torsion greatly influence the forces applied on the downhole pipe string and its consequent deformation. They serve as the bases for calculating the drag and torque of a pipe ...

INDUSTRY DIRECTIVE Venmyn Deloitte suggests the mining industry should take its cue from the oil and gas business in introducing more advanced modelling techniques Foreseeing that the mining industry ...

The bucket rig is a form of the rotary drill rig. It uses mechanical or hydraulic drive to rotate a Kelly which is attached to the bucket. This type of rig will normally utilize a square friction type ...

A slide and compound drilling model calculates build-up rate (BUR) of a single bent-angle motor assembly using a physical model and genetic-algorithm back propagation (GA-BP) regression analysis. A ...

With increasing depth, geothermal energy offers an almost inexhaustible potential for renewable energy. The drilling costs however, rise exponentially with depth in the case of conventional rotary ...

A controversial borehole drilling project is raising questions in western KELOLAND. It’s a project funded by the U.S. Department of Energy to find out whether it is possible to store nuclear waste ...

Environmental Geologist Fidelis Adigwe has called on the Nigerian government to quickly implement and enforce tougher rules on borehole drilling to protect the groundwater reserve. With over eight ...