- Classification of drilling rigDrilling rig is completed drilling of the host, which drive drill pit and drill deep into and lifts on the rig tocomplete the drill string and extract the casing, drill cores, replaced secondary work. Pump's primary functionis to transport inside the hole end of washing liquid to clean the hole and the drill bit cool and lubrication.The purpose of rock and soil drilling and excavation engineering and construction of different objects, andmore types of rigs. Drilling rigs can be end-use categories, such as cores, oil rigs, hydrological andengineering geological exploration geological survey and water well drilling rig, rig, tunnels and constructionrigs.Drilling rigs can be divided into four categories:(2) the Rotary drilling rig:-vertical--differential feed feed type, screw type, hydraulic feed drilling machine;Rotary--cable-plus vacuum, hydraulic cylinders and vacuum-style rig; mobile slewing--complete with hydraulicpower head, mechanical power head drill.(3) the vibration rig.
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2015年4月8日星期三
Classification of drilling rig
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