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Rotary Drilling Rig
A drilling rig is a machine, which creates holes (usually called boreholes) and/or shafts in the ground. Drilling rigs can be massive structures housing equipment used to drill water wells, oil wells, or natural gas extraction wells or they can be small enough to be moved manually by one person. They sample sub-surface mineral deposits, test rock, soil and groundwater physical properties, and to install sub-surface fabrications, such as underground utilities, instrumentation, tunnels or wells. Drilling rigs can be mobile equipment mounted on trucks, tracks or trailers, or more permanent land or marine-based structures (such as oil platforms, commonly called offshore oil rigs ). The term "rig" therefore generally refers to the complex of equipment that is used to penetrate the surface of the earth s crust.
Drilling rigs can be:
Small and portable, such as those used in mineral exploration drilling, water wells and environmental investigations.
Huge capable of drilling through thousands of meters of the Earth s crust. Large "mud pumps" circulate drilling mud (slurry) through the drill bit and the casing, for cooling and removing the "cuttings" while a well is drilled. Hoists in the rig can lift hundreds of tons of pipe. Other equipment can force acid or sand into reservoirs to facilitate extraction of the oil or mineral sample; and permanent living accommodation and catering for crews, which may be more than a hundred. Marine rigs may operate many hundreds of miles or kilometers offshore with infrequent crew rotation.
Our XCMG XR series Rotary drilling rigs are mainly used for road or building base construction. Drilling depth from 40m to 88m, rated power from 138kw to 298kw. Model is XR120, XR160, XR200, XR220, XR250, XR280.
XR120 rotary drilling rig main configure:
Max drilling dia.1500mm, Max drilling depth 51m, Max torque 120KN.M,Import Cummins engine with turbo(138KW), Import hydraulic, electric parts, telescopic crawler chassis, 51m(5 parts)friction drilling pipe, f800 mm Auger.
Technical Features:
Load sensing hydraulic system.
Color LCD makes the operation flexible and convenient, automatic measuring and control of the boring depth and vertical rake, and automatic failure control and alarming system.
Utmost power control system and automatic slewing positioning function.
Telescopic crawler chassis, H-shape frame structure.
The whole machine (without removing the drill pipe) can be transported in long distance.
GPS global positioning system, remote data analysis, remote real time monitoring, and remote troubleshooting.
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