 |
|
|
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 |
|
| 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. |
| |
|
| |
