Water Well Rigs
 
  Rotaham Series
  Direct Rotary 500
  Direct Rotary 1000
  Direct Rotary 1500
  Direct Rotary 2000
  DTH 300 SH
  DTH 350
  DTH 500 SPL
  Cable Percussion
  Blast Hole Rigs
 
  DTH-6-100D/E
  RBH-4-100D
  RBH-6-100D/E
  RBH-8-100DE
  SK 60E
  Mud Pumps
 
  Right Angle Gear Head
  Turbine Pumps
  Dust Collecting Equipment

Direct Rotary Drils [DR 1500]

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.