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Latest News

Watertec 24 Shipped to MOND in Ethiopia
Friday, 03 February 2012 12:09
A Dando Watertec 24 has been shipped to the Ministry of National Defence in Ethiopia. The rig has
Dando Attend Exhibition in Mexico
Friday, 06 January 2012 13:37
In October Dando Drilling was at ‘la XXIX Convención Internacional de Minería’ in Acapulco,
Dando Watertec 24s Shipped out for UN Project in Darfur
Tuesday, 03 January 2012 16:11
Dando Drilling has very recently supplied three Watertec 24s for a UN and African Union funded
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The Dando Mintec 12.8 is an application specific drilling rig designed for exploration on open cast mine prospects and has been particularly sucessful in coal exploration in Indonesia. The mintec 12.8 is fitted with a number of features that allow it to drill extremely fast and effectively in remote regions.

mintec

Mintec 12.8 - Specification

Carrier Vehicle: Type: Crawler chassis

Power Unit*: 540HP 6 Cylinder diesel engine

Drilling Capacity: Pullback: 12,800kg. Pulldown: 7,500kg. Hook load(max): 12,800kg.

Mast Dimensions: Working Mast Height: 9,140mm. Working Stroke: 7,600mm

Mast Dump: To 45

Rotary Head Performance*: Option 1: Speed (max): 750rpm, Torque (max) : 12,050Nm (RH11 head) Option 2: Speed (max): 1,290rpm. Torque (max): 5,670Nm

Circulating Swivel Unit: Internal Diameter: 51mm. Operating pressure(max): 600psi

Breakout and Clamps* Min Clamping Diameter: 60mm. Max Clamping Diametre: 220mm. Load Suspending Capacity: 12,800kg.

Casing Divertor: 150mm ID

Wireline Footclamps: To suit BQ-PQ Wireline drill rods.

Main Winch*: Hoist (single line, bare drum): 10,240kg. Speed (single line, bare drum): 68m/min. Drum capacity: 56m @ 22mm

Wireline Winch*: Hoist (single line, bare drum): 2,244kg. Speed (single line, bare drum): 167m/min. Drum capacity: 1,600 @ 6mm

Tool Handling Winch*: Hoist (single line, bare drum): 1,326kg. Speed (single line, bare drum): 15m/min. Drum capacity: 30m @ 8mm

Coring Pump: Flow rate (max): 200l/m. Discharge pressure (max): 500psi.

In Line Oiler: Fitted to assist DTH operations

Control:Hydraulic Power circuit based on load sensing, proportional valves. Drilling controls available from driller’s control console.

Levelling Jacks: Two front and two rear

Rig Lighting: Fitted as standard

Compressor: Ingersoll Rand XHP900 (900rpm/350psi)

Maximum Drilling Depths**:

NQ (7.58kg/m) drill rods-1,351m

NWY (8.0kg/m) drill rods-1,280m

HQ (11.45kg/m) drill rods- 891m

4" RC (32.0kg/m) drill rods-320m

 

*other options available

**calculated from the weight of drill rods only and using 80% of the rig's pullback

Mintec 12.8 - Features
  • High speed/ high torque rotary head
  • High pressure air/water swivel
  • RC and RAB compatible
  • Main winch for handling tools/casing
  • Wireline winch
  • Mast dump and angle drilling
  • Hyraulic rod clamps
  • Onboard coring pump
Mintec 12.8 - PDF Downloads
View Mintec 12.8 - pdf - 1.8mb

Mintec 12.8 - Videos