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Dando Drilling International
The Dando Watertec 12.8 is our latest design mid-rangewater well drilling rig built to incorporate all the Dando robustfeatures but at the same time remaining affordable. Capable
of constructing water wells to 500m utilizing the on boardmud pump or air drilling utilizing a separate compressor.
Dando Watertec 12.8waterwell mountingoptions
onboardmud/flush pump
Watertec 12.8 Rotary Drill Rig
Dando Drilling International [email protected]
tel: +44 (0)1903 731312fax: +44 (0)1903 730305
* Based on 80% of drill string weight in dry hole
Please note: All figures and claims made here are indicative and Dando Drilling Internationalreserves the right to make alterations to specification detail without notice. All images are forreference only and may not represent the exact specification outlined in this document.
Drilling Rig SpecificationCarrier Options Heavy duty commercial 4x4 or 6x6 truck - Crawler mounted - Trailer mounted -
Mounted on customer own support vehicle/structure
Deck Engine Standard fitting: 145 HP diesel engine
Mast Dimensions Working mast height Working mast using theusing main winch: 9140mm rotary head: 7600mm
Rig Capacity Pullback: 12800kgs Pulldown: 7500kgs Hook load (max): 12800kgs
Rotary Head Standard Rotation (max) 190rpm Torque (max) 8850NmPerformance Other options available
Rotary head tilt and side shift
Drill Table and As standard - Box type drill table with removable drill rod and Other options Break Out System casing guides. Break out system is a double acting hydraulic available
cylinder with adjustable wrench
Main Winch (other Maximum single line pull: Maximum speed: Drum capacity: options available) 3700kgs 27m/minute 83m of 16mm wire rope
Tool Handling Maximum single line pull: Maximum speed: Drum capacity:Winch 2040kgs 40m/minute 57m of 12mm wire rope
Mud Pump Standard: Hydraulically driven Maximum flow rate: (222gpm) 840 litres/minute51/2" x 8" duplex mud pump Maximum discharge pressure: 338psi
Foam Pump Standard: Hydraulically Maximum flow rate: 34 litres/minutedriven triplex pump Maximum discharge pressure: 750psi
Inline Oil Lubricator Fitted as standard and used when operating a DTH hammer
Hydraulic System Hydraulic power circuit based on load sensing hydraulic pumps and proportional control valves
Drillers Control Panel Uncomplicated and user friendly with ergonomic layout
Rod Spin Safety Various options availableGuard
Levelling Jacks Two front and two rear jacks with individual locking valves
Lighting and Rig is provided with mast and control panel lighting and the electrical system Electrical System is 12 volt
Drilling Capacities* 31/2" (13.5kgs/m) drill rod = 750m
41/2" (23kgs/m) drill rod = 440m
Optional Equipment RC Drilling Conversion Kit - For reverse circulation drilling applications
Drill Rod Rack - Mounted on carrier
Pipe Handling Boom Crane - For loading and unloading drill pipe and light site work
Other options available on request
