The system induces a centrifugal force of up to 130 G on well drill cuttings, and separates the oil-based mud and sub 200 micron drill cuttings from the main stream of cuttings. This in turn allows the separated fluid to be treated with a decanting centrifuge at between 1500 G and 1800 G to remove and dry the drill solids retained in the recovered mud. Drill cuttings being discharged from the primary shakers are transferred by a variable speed mechanical conveyor system to the inlet pipe of the ‘Mud’ unit, where they fall into the inlet pipe and are fed by gravity to the distribution cone/support disc. A distribution cone removes the cuttings from the discharge end of the inlet pipe and accelerates and spreads them evenly onto the inner circumference of the conical wedge wire screen. The drill cuttings are retained on the inner circumference of the wedge wire screen by centrifugal force, and Linear Motion is induced axially onto the conical wedge wire screen, conveying the retained drill cuttings to the discharge end of the conical wedge wire screen. The oil-based mud is forced through the apertures in the wedge wire screen by the centrifugal force, and the recovered mud flows from the discharge point to be collected for secondary treatment. Secondary treatment is carried out by a decanting centrifuge, which will remove drill solids down to 5 microns. The viscosity of the recovered mud being processed by the decanter should be monitored. A high viscosity in the recovered mud will reduce the effective cut point of the decanting centrifuge, and viscosity reduction can be achieved by small additions of active mud or base oil, if necessary.
Equipment Weight: Dry Weight 3600kg Wet Weight 3800kg Equipment Dimensions: L 2260mm x W 1880mm x H 1705mm Capacity: 80 tonnes/hour Service Requirement: 85 amp, 440volts electrical supply, 100 psi air supply, wash down facility
Equipment Weight: Dry weight 1100 kg Wet weight 1150 kg Equipment Dimensions: L 1500 mm x W 1375 mm x H 1412 mm Capacity: 35 tonnes/hour Service Requirement: 40 amp, 440 volts electrical supply, 100 psi air supply, wash down facility
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