DR 2000

ROTARY DRILLS They are meant for drilling in alluvial and semi-consolidated formations and for virgin areas in connection with exploration program, by using drilling mud fluid.

 

   
RATED CAPACITY
 

8" [203mm] holes upto 2000 Ft [610 Mts] directly using 2.7/8" [73mm] OD Drill Pipes.

8" [203mm] - 10" [254mm] holes upto 2000 Ft [610 mts] directly using 3.1/2" [88.9mm] OD Drill pipes.
 
CASING LOAD
 

27500 lbs [12500 Kgs.] by using Single sheave Travelling Block

55000 lbs [25000 Kgs.] by using Double sheave Travelling Block.

 
MAST
 

Heavy Duty Tubular Steel Construction Electric welded

46 Ft [14.0 mts] high above Ground Level during drilling

90000 lbs [41000 Kgs] Gross Load capacity
5 Sheaves + 1 catline sheave
Raised and lowered by two hydraulic cylinders with safety check valves.
 
DRILL HEAD
 

Rotary Type as integral unit with Draw works and Hydraulic pull down.

4.1/2" [114.3mm] Hydraulic Retraction - 21" [533.4mm] Disc, Type Friction Clutch.

 
CAT HEAD
 

Shaft mounted provided on the right side of the drill head

Heavy Duty Tubular Steel Construction Electric welded

46 Ft [14.0 mts] high above Ground Level during drilling

90000 lbs [41000 Kgs] Gross Load capacity
5 Sheaves + 1 catline sheave
Raised and lowered by two hydraulic cylinders with safety check valves.
 
PULL DOWN
 
16000 lbs [7272 Kgs] pull down through twin hydraulic cylinders having 30" [762mm] stroke.
 
DRAW WORKS
 
Hoisting and sand reel drum having baredrum single line pull of 16000 lbs [7272 Kgs] each
Barrel dia x length each drum - 7" [178mm] x 10.3/8" [263.5mm]
High leverage Mechanical type Brakes, Single/Double on drums
Chain Driven with multiple Disc Friction clutch.
 
MUD PUMP
 

`PRECISION' Model 'S-200' 8" [203mm] x 6" [152mm] positive displacement Duplex Double action Mud pump with interchangeable liners as per operational requirements having wider choice of discharge/pressure. 'V'Belts/Chain Drive.

 
HYDRAULIC SYSTEM
 

21 US GPM [80 LPM] 1500 PSI [105Kg/cm2] - Fixed displacement vane type pump

 
MOUNTING & PRIME MOVER
 

Truck / Trailer. Powered by Truck Engine and/or suitable independent Engine(s).

 
TRANSMISSION
 

5 Forward and 1 Reverse.

 
KELLY
 

4.1/8" [104.7mm] OD x 28 ft [8.53 mts] long 3 flutted round kelly.

 
LIGHTING
 

Truck Battery/Alternator.(24 Volts DC)

 
LEVELING JACKS
 

4 Nos. Mechanical / Hydraulic

 
CONTROL
 

Conveniently located for ease of operation.

 
OPTIONAL
 

Longer Mast

Choice of Mud Pumps
Choice of Hydraulic pumps
Hydraulic Breakout System
Air clutches 
Diesel generating set for lighting DTH attachments for drilling by DTH method 
Casing drum
Hydraulic leveling jacks 
Chain pull down having stroke length of 20 feet.