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URB-3A3 drilling rigs
Description
Order of production
Technical specification
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Drilling rigs
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URB-3A3.02,
URB-3A3.13,
URB-3A3.05
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URB-3A3.051
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Admissible load, kN (ton force)
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196 (20)
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Conditional drilling depth, m:
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- by pipes with diameter 60,3 - 63,5 mm
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700 - 600
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700 - 600
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- by pipes with diameter 73 - 89 mm
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400 - 300
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500 - 300
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Recommended diameter of drilling by pipes, mm
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60,3 - 63,5
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- starting diameter
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243
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- ending diameter
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93
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Recommended diameter of drilling by pipes, mm
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73 - 89
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- starting diameter
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394
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- ending diameter
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190
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Drive of mechanisms:
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YAMZ-236 (180 hp)
(URB-3A3.02, URB-3A3.05)
independent diesel motor
without gear box,
YAMZ-236 (180 hp) with gear box
(URB-3A3.13),
power input 88,3 kWatts
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YAMZ-238 (240 hp)
independent diesel
motor with gear box,
power input 141 kWatts
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Drilling winch:
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- tractive force of drilling drum, kN (ton force)
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51 (5,2)
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51 (5,2)
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Running block lift speed, m/sec:
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-with YAMZ-236 diesel motor
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0,2...1,48
0,15...1,63 (URB-3A3.13)
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-
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- with YAMZ-238 diesel motor
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-
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0,17...1,88
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Auxiliary winch (bailing winch):
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- tractive force of auxiliary (bailing) drum, kN (ton force)
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9,8 (1)
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- running block lift speed, m/sec
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0,5...1,2
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Mast:
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- type
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Jackknife drilling mast with opened front edge
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- the distance between rotary table and crownblock, m
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15,5
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- length of drilling setback, m
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12
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Rotor:
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R410
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PK410
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- table bore diameter, mm
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410
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410
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- maximum torque N*m (kgf*m)
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7 840 (800)
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7 840 (800)
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- rotational speed, sec-1 (rev/min)
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1,18 (71)...4,48 (269)
0,42 (25)...4,48 (269)
(URB-3A3.13)
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0,51 (31)... 5,77 (346)
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Mud piston pump:
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NB-50
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two pumps of NB-50 type
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- perfect feed, m3/hour (l/s)
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40 (11)
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80 (22)
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- maximum outlet pressure, MPa (kgf/cm2)
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6,2 (63)
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6,2 (63)
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Swivel:
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BA15-33Gsb
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- safe load, kN (ton force)
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196 (20)
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- bore diameter, mm
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60
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Generator:
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- power, kWatts
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30
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- voltage, V
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400/230
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Racking board capacity:
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- drilling pipes ? 60,3 mm, stand 12m, pcs/m
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84/1000
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- drilling pipes ? 73 mm, stand 12m, pcs/m
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42/500
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- drilling pipes ? 89 mm, stand 12m, pcs/m
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25/300
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Setback:
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- safe load, kN (ton force)
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196 (20)
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Overall dimensions of drilling unit:
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- (for handling), mm
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9 880 x 2 800 x 3 750 (URB-3A3.02);
10 010 x 2 800 x 3 750 (URB-3A3.13);
9 880 x 2 500 x 3 750 (URB-3A3.05, URB-3A3.051)
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Weight of whole set, kg
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19 500; 22 820; 17 100
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19 700
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