tailieunhanh - Size and configuration of mud motor drilling affects the optimum power outputs

The present invention provides a modular drilling assembly having a module for contactless power and data transfer over a nonconductive gap between rotating and non-rotating members of a steering module. The gap usually application data contains a non-conductive fluid, such as drilling fluid, or oil for operating hydraulic devices in the down-hole tool. | Nội dung Text Size and configuration of mud motor drilling affects the optimum power outputs Engineering Solid Mechanics 2017 93-102 Contents lists available at GrowingScience Engineering Solid Mechanics homepage esm Size and configuration of mud motor drilling affects the optimum power outputs Atma Yudha Prawiraa b and Etiko Puspo Rinic a School of Mechanical Engineering Balikpapan University Indonesia b School of Industrial Engineering Mercu Buana University Indonesia c School of Electromechanical Polytechnic Institute of Nuclear Technology Indonesia A R T I C L EI N F O ABSTRACT Article history The present invention provides a modular drilling assembly having a module for contactless Received 6 October 2016 power and data transfer over a nonconductive gap between rotating and non-rotating members Accepted 3 March 2017 of a steering module. The gap usually application data contains a non-conductive fluid such Available online as drilling fluid or oil for operating hydraulic devices in the down-hole tool. The down-hole 3 March 2017 Keywords tool in one embodiment is a modular drilling assembly wherein a drive shaft is rotated by a Mud motor size down-hole motor to rotate a drill bit attached to the bottom end of the drive shaft. Generally Power section there are two main sections on mud motor which are bearing section and power section. The Number of lobes power section generally includes a housing which houses a motor stator within which a motor Optimum power produced rotor is rotationally mounted. The power section converts hydraulic energy into rotational energy by reverse application of the Moineau pump principle. The stator has a plurality of helical lobes which define a corresponding number of helical cavities. The rotor has a plurality of lobes which number one fewer than the stator lobes and which define a corresponding plurality of helical cavities. Generally the greater the number of lobes on the rotor and stator the greater the .

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