Mobile drilling rig ARS-225

1.1

Hook load:

- permissible load

496000 lbs (225 t)

- test load

621500 lbs (282 t)

1.2

Drive unit

Diesel engine

Two Caterpillar C18 diesel engines rated at 522 kW (700 hp) each at 2,100 rpm

Fuel system

Two tanks with a capacity of 400 l, with heating of coarse filters

Transmission

two GMT Allison 6610H, with lock-up torque converters, six-speed

Compound

Chain type, with switchable input flanges

1.3

Drawwork

Single drum, with pneumatic drum clutch and water-cooled belt brakes

- Pulling capacity

245 kN

- drawwork drive

Oil-filled chain gearbox

range of lifting speeds of the travelling block

0...1,5 m/s

1.4

Auxiliary brake

Pneumatic disk type "EATON"

1.5

Mast

two-section, telescopic, inclined with open front

- height from ground to crown block frame

138’ (42 m)

- extension of the upper section

hydraulic cylinder

- the number of mounting levels of the monkey board

6

- 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)

1.6

Travelling system:

- reeving

5x6

- wire rope diameter

1 1/4” (32 mm)

1.7

Auxiliary winch:

hydraulic drive

- quantity

2

- safe hook load

11038 lbs (49,1 kN)

- wire rope diameter

5/8” (16 mm)

1.8

Mounting and working Hydraulic systems

separate, with heating

working:

- pump type and model

axial-piston

- pressure

2845 psi (20,2 MPa)

- nominal feed

18,5 gal/min (70 l/min)

Mounting system:

- pump type and model

axial-piston

- pressure

2845 psi (20,2 MPa)

- nominal feed

14 gal/min (35 l/min)

1.9

Air system

Supply from power unit compressors

- working pressure

100 psi (0,68 MPa)

1.10

Hydraulic breaker

- quantity, pc

2

- operating rod stroke

37” (940 mm)

- maximum pull

24279 lbs (108 kN)

1.11

Manifold (standpipe with hose)

With quick couplings, media separator, a place is provided for connecting a pressure sensor

- standpipe perfomance

double-type

- passage diameter

4” (102 mm)

- Pressure of working liquid

5000 psi (35 MPa)

1.12

Lighting (explosion-proof)

Main supply 220V, emergency supply 24V

1.13

Weigth in transport position, not more than

216 000 lbs (98 000 kg)

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)

2.1

Substructure:

Parallelogram

- capacity

859500 lbs (3825 kN)

- capacity of rotary beam

507000 lbs (2256 kN)

- capacity грузоподъемность racking board

352500 lbs (1569 kN)

- height from the ground to the floor of the substructure

25,6’ (7,8 m)

- height from the ground to the bottom of the rotor frame

22,3’ (6,8 m)

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)

- bore diameter

2 3/8” (60 mm)

- maximum working fluid pressure

5000 psi (35,5 MPa)

- maximum torque on the table

26550 lbs-ft (36000 Nm)

- rotational speed, rpm

0-180

2.4

Rotary table (with cardan drive):

MRL 275

- safe static load

100000 lbs (500 kN)

- bore diameter

27,5” (698,5 mm)

- maximum torque

20250 lbs-ft

- maximum speed

300 rpm