ARS-225 mobile drilling rig is designed to perform all types of work and technological operations during drilling and workover with a nominal hook load of not less than 225 metric tons.
The temperature range of the rig is from - 45 ° С to + 45 ° С.
The mobile drilling rig is mounted on a towed vehicle - off-road semitrailer.
Performance data
1.1 |
Hook load: |
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- permissible load |
496000 lbs (225 t) |
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- test load |
621500 lbs (282 t) |
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1.2 |
Drive unit |
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Diesel engine |
Two Caterpillar C18 diesel engines rated at 522 kW (700 hp) each at 2,100 rpm |
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Fuel system |
Two tanks with a capacity of 400 l, with heating of coarse filters |
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Transmission |
two GMT Allison 6610H, with lock-up torque converters, six-speed |
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Compound |
Chain type, with switchable input flanges |
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1.3 |
Drawwork |
Single drum, with pneumatic drum clutch and water-cooled belt brakes |
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- Pulling capacity |
245 kN |
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- drawwork drive |
Oil-filled chain gearbox |
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range of lifting speeds of the travelling block |
0...1,5 m/s |
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1.4 |
Auxiliary brake |
Pneumatic disk type "EATON" |
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1.5 |
Mast
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two-section, telescopic, inclined with open front |
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- height from ground to crown block frame |
138’ (42 m) |
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- extension of the upper section |
hydraulic cylinder |
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- the number of mounting levels of the monkey board |
6
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- height from the floor of the sub to the level of installation of the monkey board |
45,9’; 50,2’; 54,15’; 58,07’; 59’; 72,2’ (14,7; 15,3; 16,5; 17,7; 18; 22 m) |
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1.6 |
Travelling system: |
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- reeving |
5x6 |
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- wire rope diameter |
1 1/4” (32 mm) |
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1.7 |
Auxiliary winch: |
hydraulic drive |
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- quantity |
2 |
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- safe hook load |
11038 lbs (49,1 kN) |
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- wire rope diameter |
5/8” (16 mm) |
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1.8 |
Mounting and working Hydraulic systems |
separate, with heating |
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working: |
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- pump type and model |
axial-piston |
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- pressure |
2845 psi (20,2 MPa) |
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- nominal feed |
18,5 gal/min (70 l/min) |
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Mounting system: |
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- pump type and model |
axial-piston |
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- pressure |
2845 psi (20,2 MPa) |
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- nominal feed |
14 gal/min (35 l/min) |
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1.9 |
Air system |
Supply from power unit compressors |
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- working pressure |
100 psi (0,68 MPa) |
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1.10 |
Hydraulic breaker |
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- quantity, pc |
2 |
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- operating rod stroke |
37” (940 mm) |
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- maximum pull |
24279 lbs (108 kN) |
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1.11 |
Manifold (standpipe with hose) |
With quick couplings, media separator, a place is provided for connecting a pressure sensor |
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- standpipe perfomance |
double-type |
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- passage diameter |
4” (102 mm) |
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- Pressure of working liquid |
5000 psi (35 MPa) |
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1.12 |
Lighting (explosion-proof) |
Main supply 220V, emergency supply 24V |
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1.13 |
Weigth in transport position, not more than |
216 000 lbs (98 000 kg) |
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1.14 |
Dimension (in transport position), mm: length (with towing unit) x width x height |
91,86’ x 10,5’ x 14,75’ (28000 х 3200 х 4500 mm) |
Accessory equipment
2.1 |
Substructure: |
Parallelogram |
- capacity |
859500 lbs (3825 kN) |
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- capacity of rotary beam |
507000 lbs (2256 kN) |
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- capacity грузоподъемность racking board |
352500 lbs (1569 kN) |
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- height from the ground to the floor of the substructure |
25,6’ (7,8 m) |
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- height from the ground to the bottom of the rotor frame |
22,3’ (6,8 m) |
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2.2 |
Ramp |
consists of two parts and is equipped with wheel guides, jack supports |
2.3 |
Hydraulic top drive: |
НТD-250 |
- safe load |
500000 lbs (226 kN) |
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- bore diameter |
2 3/8” (60 mm) |
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- maximum working fluid pressure |
5000 psi (35,5 MPa) |
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- maximum torque on the table |
26550 lbs-ft (36000 Nm) |
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- rotational speed, rpm |
0-180 |
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2.4 |
Rotary table (with cardan drive): |
MRL 275 |
- safe static load |
100000 lbs (500 kN) |
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- bore diameter |
27,5” (698,5 mm) |
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- maximum torque |
20250 lbs-ft |
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- maximum speed |
300 rpm |