7000m DC electric rig

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DW, RT and mud pump can realize independent stepless speed regulation which provide guarantee for drilling technology optimization.

Mast, substructure and drill floor equipments can be installed at lower position, and then be lifted integrally upon DW power.

All-digital auto control auto-bit-feeding system is available, driller operates the touch screen to fulfill drilling operation through optimized drilling parameters, which will reduce labor intensity significantly and improve work efficiency. Display, restoration, regulation and control, remote management of major drilling parameters can be realized.

Nominal drilling depth	7000m（114mmDP）		Substructure type	slingshot type	Swing up type
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	6000m（127mmDP）		Substructure height and clear height under RT beam	9m，7.62m	10.5m，8.92m
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Max hook load	4500kN		Mast type and effective height	K type，45m
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Wire rope system of traveling system	6x7，parallel		Transmission mode	AC-SCR-DC
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DW rated power	1470kW（2000hp）		Quantity and power of main generator set	4×1200kW
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DW gear	4forward+4reverse，stepless speed regulation		Quantity and power of auxiliary generator set	1×292kW
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Diameter of drilling wire rope	φ38mm		Quantity and power of DC motor	9x800kw
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RT opening diameter	952.5mm（37 1/2″）		HP mud manifold	φ102mm（bore diameter）×35MPa
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RT gear	One gear stepless speed regulation	Two gears stepless speed regulation	Effective mud volume of solid control system	430m³
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Quantity and power of drilling pump	3×1600hp