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HXJ135 offshore workover rig
◆ Max. Hook load 297000lb (1350kN), draw works installed power rating 525HP (392kW).
◆ Workover depth 14760ft(4500m) (3-1/2" drilling pipe),drilling depth 6560ft(2000m) (4-1/2" drilling pipe).
◆ Hydraulic driving base can be moved transversely and lengthways. Cluster well operation can also be performed.
◆ Raise and lower double-section telescoping mast hydraulically at full length.
◆ Adopt international famous-brand engine and ALLISON hydraulic transmission.
◆ Power transmission system is of special double engines parallel operation technique. Single engine drives. Reserve one engine coupling. If necessary, one set of engine can be added so as to perform parallel operation which can enhance the flexibility of operation.
◆ Draw works drum: Integral Lebus rope groove, ropes are arranged in order, band brake, forced circulation cooling, low pollution.
◆ Auxiliary brake is air control water cooling disc auxiliary brake system.
◆ Operation control system is of centralized control and long-distance air control operation. The important parts have multiple protection functions.
◆ Rotary table has forward gear and reverse gear mechanisms. It also adopts rotary table anti-reversing unit so as to prevent drilling string from reversing at a high speed and avoid accident.
Main Parameters
|
Model |
HXJ135 |
|
Max. Lifting hook load lb(kN) |
297000(1350) |
|
Workover depth ft(m)(3-1/2"DP) |
14760(4500) |
|
Drilling depth ft(m)(4-1/2"DP) |
6560(2000) |
|
Draw works rated power hp(kW) |
603(450) |
|
Mast clearance height ft(m) |
95(29) |
|
Effective quantity of lines |
8 |
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