KEW DR 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 1500 Ft [457Mts] directly using 2.7/8” [73mm] OD Drill Pipes.
- 8” [203mm] – 10” [254mm] holes upto 1500 Ft [457mts] directly using 3.1/2” [88.9mm] OD Drill pipes.
- Larger size holes for various depths by reaming.
CASING LOAD :
- 26400 lbs [12000 Kgs.] by using Single sheave Traveling Block
- 4400 lbs [20000 Kgs.] by using Double sheave Traveling Block.
- Heavy Duty Tubular Steel Construction Electric welded
- 42 Ft [12.8 mts] high above Ground Level during drilling
- 70000 lbs [31818 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.
- Opening – 3” [76.2 mm] / 3.1/2” [88.9 mm] /4.1/2” [114.3 mm)
- Hydraulic Retraction – 21” [533.4mm]
- Disc, Type Friction Clutch.
CAT HEAD :
- Shaft mounted provided on the right side of the drill head.
PULL DOWN :
- 16,000 lbs [7272 Kgs] pull down through twin hydraulic cylinders having 30” [762mm] stroke.
DRAW WORKS :
- Hoisting and sand reel drum having bare drum single line pull of 15000 lbs [6818 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] or `S –150’ 6” (152mm) x 5 1/2 (139.7mm) 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] 1000 PSI [70Kg/cm2] – Fixed displacement vane type pump.
- MOUNTING & PRIME MOVER
Truck / Trailer :
- Powered by Truck Engine and/or suitable independent Engine(s)
- 5 Forward and 1 Reverses
- 3.3/8” [85.7mm] OD x 28 ft [8.53 mts] long 3 fluted round Kelly.
- Truck Battery/Dynamo /Alternator
LEVELING JACKS :
- 4 Nos. Mechanical or Hydraulic
- Conveniently located for ease of operation.
- Longer Mast
- Choice of Mud Pumps
- Choice of Hydraulic pumps
- 41/8” (104.77mm) OD Kelly
- Hydraulic Breakout System
- Casing drum
- Hydraulic leveling jacks