Manufacturer:NOV – National Oilwell Varco
Type:TDS-7S
Year of manufacture:1997
Documentation Status:Available

Top drive unit including pipe handler, dolly and power loop etc. suitable for offshore- or land drilling rigs.
Working height: 245.5 inches (6.236 m) from top tool joint to bail. (Calculated using 108″ links)
Guide dolly configuration, Rail Spacing: 43 x 66 In. HEB-280
Rail loading while drilling: 34,000 ft.lbs
Gear box: 5.30:1 gear ratio reduction
Max. rpm: 225
Max continuous torque: 45 kNm. (33,200 ft.lbs) at 150 rpm.
Max. intermittent torque: tba.
New El. motor type ABB HXR 450LM8 740 KW (AC) included. See UL 05498

The top drive has been maintained as per OEM recommendations and subject to OEM 5-yearly overhauls, last time in 2006.

Package of various spare parts is also available for sale. See list.

Note: We can also offer this top drive unit for rental. A total pre-rental overhaul and certification will be performed. Please contact us for a quotation.