1 Kelly bar, 4 elements, total length 10.5 m, max drilling depth ~37 m, 200×200 mm square drive: 1 Kelly bar, 5 elements, total length 10.5 m, max drilling depth ~46 m, 200×200 mm square drive.
2008 Sunward SW18 Rotary Drilling Rig
1 Kelly bar, 4 elements, total length 10.5 m, max drilling depth ~37 m, 200×200 mm square drive: 1 Kelly bar, 5 elements, total length 10.5 m, max drilling depth ~46 m, 200×200 mm square drive.