Direct Circulation Rotary Rig - CBG Precision Engineering Company
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GP-2500 Direct Circulation Rotary Rig

 
Rated Capacity
Drill Pipe
Minimum Hole Dia.
Depth
73 mm
203 mm
1000Mts.
 
89 mm
305 mm
770 Mts.
Casing Load

     20000 Kgs. Using Triple sheave Travelling Block, Dead end at frame.

Mast

z

Construction

     Tubular Steel, Electrically Welded.

Height

     15 Mts. above Rotary Table. (Optional 18 Mts.)

Gross Load Capacity

     50000 Kgs.

Hook Load Capacity

     20000 Kgs. With double sheave travelling block.

Raising and Lowering

     2 Hydraulic Cylinders.

Crown Block

     6 Sheave Plus 1 Catline Sheave.

Rotary Table

z

Type

     Spiral Bevel Gear Oil Bath lubrication

Opening

     250 mm OR 450 mm

Retraction

     Hinged Type

Drive

     Drive through torque tube and disc type clutch

Kelly

     117.47 mm Dia. X 10.36 Mts. Long, 3 Fluted round kelly.

Pull Down (Optional)

Type

     Through 2 Nos. Roller Chain & Hydraulic Motor with reducer.

Feed

     10.5 Mts.

Force

     15000 Kgs.

Draw Works

     Barrel Dia. X Length                                  Single Line Pull Bare Drum

Hoisting Drum

     250 mm X 325 mm                                       8000 Kgs.

Sand Reel

     200 mm X 550 mm                                       6000 Kgs.

Clutch

     457 mm, 2 Plates mechanical type. (Air Clutch Optional)

Brakes

     520 mm X 150 mm Mechanical High Leverage type double equalised.

Drive

     By Chain.

Transmission

     Five speed forward, one speed reverse.

Sub Drive Case

     Suitable for mounting automotive gear box and to obtain hydraulic pump drive.

Hydraulic

     Pump fixed displacement vane type discharge & pressure 80 LPM @ 70.3 Kg/cm2

Mud Pump

       Standard                                    Optional

Model

     CBG - 200                                   CBG - 250H

Stroke & Liner Size

     200 mm X 140 mm                       250 mm X 150 mm

Disp. & Pressure

     1180 LPM @ 23.84 Kg/cm2           1533 LPM @ 27.51 Kg/cm2

Drive

     "V" Belts / Chain.

Clutch

     Clow Clutch OR Multi Disk Friction Clutch.

Leveling Jack

     4 Mechanical Jack (Optional Hydraulic)

Controls

     Conveniently located.

Primer Mover & Mounting

     All components of the drill including mud pump shall be mounted on rear two axeled semi
     trailer and driven through 2 Nos. 125 BHP diesel engine combine to gather OR seperatly
     respective compounont.

Optional Available

     ydraulic Break Out, Welding Generator, Lighting Generator, Mud Mixing Hopper, Rat Hole
     attachment,


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