Dando Drilling International

The Dando Watertec 40 is a successful deep water well drilling rig used throughout the world and designed for use in the most

demanding environments. The 40000kg pullback gives it the ability todrill a large diameter to great depths and is favoured by large aid agencies, government departments and contracting companies.

Capable of a wide range of drilling techniques including flooded reverse.

Dando Watertec 40waterwell mountingoptions onboardcompressor onboardmud/flush pump

Watertec 40 Rotary Drill Rig

Dando Drilling International Limitedwww.dando.co.ukinfo@dando.co.uk

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 6 x 6 truck - Crawler mounted - Trailer mounted -

Mounted on customer own support vehicle/structure

Deck Engine Caterpillar C15 540 HP diesel engine standard, other options available

Mast Dimensions Working mast height Working mast using theusing main winch: 9140mm rotary head: 7600mm

Rig Capacity Pullback: 40000kgs Pulldown: 14000kgs Hook load (max): 40000kgs

Rotary Head Standard Rotation (max) 140rpm Torque (max) 15360NmPerformance 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

Standard Ingersoll Rand XHP 900 (900CFM/350psi) Other optionsCompressor available

Main Winch Maximum single line pull: Maximum speed: Drum capacity: 8000kgs 27m/minute 83m of 18mm 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: (420gpm) 1590 litres/minute71/2" x 8" duplex mud pump Maximum discharge pressure: 182psiOther options available

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

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 24 volt

Drilling Capacities* 31/2" (13.5kgs/m) drill rod = 2000m

41/2" (23kgs/m) drill rod = 1300m

Optional Equipment RC Drilling Conversion Kit - For reverse circulation drilling and flooded reverse drilling applications

Pipe Handling Boom Crane - For loading and unloading drill pipe and light site work

Rod Spin Safety Guard - Optional

Other Options available on request