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Geothermal drilling rigs

Geothermal Drilling Rig model GT642-DD with double rotary drive

High performance geothermal drill rig model GEO-TRAC 642 on a Caterpillar track mobile with Double Rotary Drive.

Geothermal drilling rig - Geo-trac series - «Geo-Trac» model GT642-DD with double rotary drive

The main advantages of GT642 are its extreme maneuverability, pullback capacity of 48000 lbs, hydraulic power of 160 HP, Double head designed specifically for Geothermal overburden drilling and a unique rod handling system. These features enable GT642 to easily access almost any type of difficult terrain, and give it enough power to drill in every type of mixed ground conditions (overburden / hard rock).


The integrated double head EURODRILL designed specifically for Geothermal overburden drilling, where both casing and inner rod operate at the same time. Counter-clockwise operation of the casing and Inner rod, gear significantly increases drilling efficiency and precision, preventing an inadvertent release of rod and casing during the pipe feeding and discharging.

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Specifications and Features of the GEO-TRAC 642-DD

[-] Collapse all. [+] Expand all.

[-] Hole Depth Capacity**

1300 ft (400 m) with 4 inch RC drilling pipes;
Hole size- 5¾"(146mm);
Compressor: 500Psi (3.447Mpa) / 1200Cfm (33.98 m3 /m))

[-] Power Unit

Cummins electronic diesel engine model QSB4.5-4cyl.(24 volts) turbocharged water cooled
160 hp – 119 kw @  2000rpm
Fuel consumption 11.2 L/hr <> 2.67gal/hr
Fuel consumption «Operation» 5.7 L/hr <> 1.506 gal/hr
Standard Filtering system two stage (Primary @ security)
Emission certification: U.S. EPA Tier 3, EU Stage III
Integrated  control safety panel, 24 volts

[-] Fuel tank

243 L (64 gal)

[-] Hydraulic System

Rexroth/Sauer/Danfoss power unit & components
Pump drive: Two (2) variable displacement piston pumps, load sensing, pressure compensated, and one (1) gear pump dedicated for accessories.
Hydraulic tank capacity 378 L. <> 100 gall
Hydraulic oil cooler
5 micron Filtration system
Body valves assembly for complete controls (Tram, positioning and drilling)
Automatic lubricator (oiler) for the down the hole hammer (Capacity 22.7 L <> 6 gall)
Auto-mechanical foam mist (Capacity 22.7 L <> 6 gall) (Option)
Mechanical thread greaser (Option)
Hose and fittings type « seal lock »
Integrated safety system, over heat, low levels etc.
Extra: Integrated hydraulic power supply «hp» (Subject to options choice)

[-] Working temperatures

Constant operation at the temperatures various between - 45 to + 50 degrees Celsius (- 49 F to 122 F).

[-] Undercarriage

Tracks mounted steel shoes
Tracks mounted Heavy duty rubber pads (Options)
Track length: 3.48 m <> 137’’
Track shoes width: 500 mm <> 19.7”
Pressure applied brake system
Heavy duty link profile
Gradability 19° <> 35%
Ground clearance 380 mm <> 15”
Travel speed 2.6mph/ 4.4 km
PIPE RACK:quick attachment «Removable»

[-] Out-riggers

Heavy duty hydraulic out-riggers (2 front & 2 rear)

[-] Weight and Dimension

Weight - 14515 kg <> 32000 lbs (W/out pipe & Casing)
Boom Length - 31 ft 4 in (9,58 m)
Width - 7 ft 4 in (2,26 m)
Height - 10 ft 7 in (3,22 m) boom down

[-] Drill Mast and Feed assembly

Drill Head travel length «Stroke»: 15 ft (4.57 m)
Mast extension: (40” pin #1) & (74” pin #2)
Feed system hoisting and pull-down power is provided by double link- chain that use (2) powerful hydraulic gear box controlled hydraulically for accurate trust
Pull down / Pull back force: «at start» (42 000 lbs <> 186.8 kN)
Top drive mounting plate is equipped with urethane anti-wear slides
Integrated drill pipe deflector for cuttings when drilling without casing
Jib hydraulic winch 544 kg <> 1 200 lbs:

[-] Drilling Angle

0 to 100°  from the horizontal

[-] Drill pipe length

Specific heavy duty mast structure designed for drill pipe of (3.00 m <> 10’)

[-] Rotating Head: Double Head EURODRILL model DH1400

Gear box #1: Casing RH1700_Type motor 31:
1st gear: 0- 20 rpm, 2370daNm <> 17480 lbf-ft
2nd gear: 0- 30 rpm, 1580daNm <> 11653 lbf-ft
3rd gear: 0- 60 rpm, 790daNm <> 5826 lbf-ft
Gear box #2: Inner rod RH400_Type motor 105:
1st gear: 0- 72 rpm, 440 daNm <> 3245 lb-ft
2nd gear: 0- 144 rpm, 220daNm <> 1623 lb-ft
Integrated: Floating spindle kit RH400 (Option)
Integrated: Preventer

[-] Double Head EURODRILL model DH1400 (Option)

Gear box #1: Casing RH1700_Type motor V73:
1st gear: 0- 24 rpm, 2475 daNm <> 18255 lb-ft
2nd gear: 0- 36 rpm, 1650 daNm <> 12179 lb-ft
3rd gear: 0- 48 rpm, 1080 daNm <> 7965 lb-ft
Gear box #2: Inner rod RH400_Type motor 105/250:
1st gear: 0- 69 rpm, 495 daNm <> 3651 lb-ft
2nd gear: 0- 138 rpm, 275 daNm <> 2028 lb-ft

[-] Triple Break-out & Clamps: hydraulic jaws

#1: Hydraulic « Breakout » system
#2: Hydraulic centralizer with retractable jaws with max. opening of 222 mm <> 8¾’’
#3: Hydraulic centralizer with retractable jaws with max. opening of 222 mm <> 8¾’’

[-] Water tank

Stainless steel  120 gal (540 L)

[-] Water Injection Pump

Model: FMC pump model A04
Double pistons pump
Volume: 0 to 34 L/min <> 0 to 9 gals/min)
Pressure: 34 bar <> 550 psi
Revolution: 500 rpm
Complete filtering system

[-] Rod and Casing Handling System

A) Rod & Casing Feeder:
Rod feeder to load and unload drill rod is mounted on the side of the mast for handy operation and better production
One (1) rod handling box-rack with vertically standing drill pipe and casing , This rock-box is removable, mounted on four (4) tapered pins. The box-rack systems will be mounted on two (2) cylinders to lower the system while travelling on the road.
All functions are hydraulic and controlled from remote panel

[-] Rod & Casing Handling «Robot Arm»: Hiab model 026T

Cap. 430 kg <> 947 lbs
Reach: 5.48 m <> 18’-00”
Rotation: 360º
Will manipulate pipes up to 152 mm <> 6” and more from the box-rack. Separate wireless remote control

[-] Box-Rack Casing and Rod System

One (1) rod handling box-rack with vertically standing drill rod( pipe) inside casing or drill rod without casing.
Removable, mounted on four (4) tapered pins.
Mounted on two (2) cylinders to lower the system while traveling on the road.
Additional Box-Rack can be manufactured ( option to be discussed as per application)

[-] Mud & Grouting Pump model: RUPE (Option)

0-100 g/min. (single cylinder)
0-300 psig

[-] Remote control Panel

Ergonomic fully electric «Remote control»
Aluminum corpus

[-] Overseas packaging

40 ft container

[-] Inland shipment


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