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HXJ158 offshore workover rig
◆ Max. Hook load 346500lb (1580kN),draw works installed power rating 360HP×2sets (269kW×2sets).
◆ Workover depth 18040ft (5500m) (3-1/2" drilling pipe), drilling depth 8200ft (2500m) (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 which makes work can be performed with one engine or two engines so as to enhance efficiency and reliability.
◆ Draw works drum: Integral Lebus groove will ensure that ropes are arranged in order. Band brake, forced circulation cooling.
◆ Auxiliary brake is of 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 Paramaters
|
Model |
HXJ158 |
|
Max. Lifting hook load lb(kN) |
346500(1575) |
|
Workover depth ft(m)(3-1/2"DP) |
18040(5500) |
|
Drilling depth ft(m)(4-1/2"DP) |
8200(2500) |
|
Draw works rated power hp(kW) |
737(550) |
|
Mast clearance height ft(m) |
95/108(29/33) |
|
Effective quantity of lines |
8 |
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