Direct
Rotary Drills Rigs
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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 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.
MAST
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)
TRANSMISSION
5 Forward and 1 Reverses
KELLY
3.3/8 [85.7mm] OD x 28 ft [8.53 mts] long 3 fluted
round Kelly.
LIGHTING
Truck Battery/Dynamo /Alternator
LEVELING JACKS
4 Nos. Mechanical or Hydraulic
CONTROL
Conveniently located for ease of operation.
OPTIONAL
Longer Mast
Choice of Mud Pumps
Choice of Hydraulic pumps
41/8 (104.77mm) OD Kelly
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. |
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