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HXJ90 offshore workover rig
◆ Max. Hook load 198000lb(900kN),draw works installed power rating 360HP (269kW).
◆ Workover depth 8200ft(2500m)(3-1/2" drilling pipe),drilling depth 2380ft(1000m)(4-1/2" drilling pipe).
◆ Hydraulic driving base can be moved transversely and lengthways. Cluster well operation can also be performed.
◆ To raise and lower double-section telescoping mast hydraulically.
◆ Single diesel engine driving. Adopt international famous-brand engine and ALLISON hydromechanical transmission.
◆ Draw works drum: Integral Lebus groove will ensure that ropes are arranged in order. Band brake, forced circulation cooling, low pollution. Auxiliary brake is of hydromatic brake system.
◆ Operation control system is of centralized control and long-distance air control operation. The key parts have multiple protection functions.
◆ Rotary table has forward gear and reverse gear mechanisms. It also adopts DP torque release unit so as to prevent drilling string from reversing at a high speed and avoid accident.
Main Parameters
Model |
HXJ90 |
Max. Lifting hook load lb(kN) |
198000(900) |
Workover depth ft(m)(3-1/2"DP) |
8200(2500) |
Drilling depth ft(m)(4-1/2"DP) |
3280(1000) |
Draw works rated power hp(kW) |
469(350) |
Mast clearance height ft(m) |
95(29) |
Effective quantity of lines |
6 |
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