Chinese  |  Russian    
CURRENT TIME:
Home > Products > Offshore rig >ZJ90/6750 DBS

9000m Digital control VF electric rig

ZJ90/6750 DBS Drilling module

Main features of drilling rig:

The rig is designed integrating mechanical , electrical and digital technologies with advanced and proven technology from China and o verseas , while main functions realizing digital control; possesses elementary functions for automation, intelligence and information gathering , its design meets HSE requirements. Hence, its operation is reliable with easy transportation and economic running.

Electric transmission uses a vector VF drive system, main electric equipments are in VFD house where top drive VFD system is integrated. In addition, mud pump set electric control system meets the requirements to upgrade to 3 sets of 2200HP mud pump set control.

Integrated driller's cabin makes the driller fulfill the main operation of drilling rig in the cabin, realizing display, memory, print and management of parameters (signal) at real time. In addition, top drive operation can be realized by touch screen on driller's chair.

Main technical parameters :

Nominal drilling depth

6000 ~ 9000m ( 114mm DP )

5000 ~ 8000m ( 127mm DP )

Max. hook load

6750kN

Wire rope system of traveling system

7×8 , parallel

DW rated power

3200 kW ( 4200hp )

DW gears

2 gears, stepless speed regulation

Diameter of drilling line

φ 45mm

RT opening dia.

1257 .3mm ( 49 1/2″ )

RT gears

1 gear, stepless speed regulation

Qty./power of drilling pump

3× 1600 hp pump ( can be upgraded to 2200HP pump )

Derrick type and effective height

K type , 48m

Transmission mode

AC-DC-AC , one to one control

1997-2009 HongHua Co.,Ltd. All rights reserved TEL / FAX / Email