The XL Enhanced rigs incorporate enhanced features to improve efficiency, safety and logistics onboard:

• Dual pipe handling maximises uptime and drilling efficiency. While one string is working in the well bore, a second string operates independently. This way casing, drill pipe or bottom hole assembly can be assembled/disassembled and stored in the set-back area, ready for subsequent transfer for use in the well bore, significantly reducing non-productive time.
• The drill floor features Multi Machine Control: a fully remotely-operated pipe handling system allowing all standard operations such as stand building and tripping to be conducted without personnel on the drill floor, ensuring a high level of consistency across crews and improved efficiency.
• The rigs are designed for year-round operation in the North Sea. With a leg length of 206.8 m (678 ft), they handle water depths of up to 150 m (492 ft).

Other features:

• 150 m (492 ft) water depth capability year-round in the North Sea
• Cantilever reach from stern to well centre 33.5 m (110 ft) and from centre line to each side more than 11 m (36.1 ft.)
• Dual pipe handling system allowing offline stand building of drill pipe, casing or bottom hole assembly while one string is working at well centre
• Accommodation for 150 people in single bed cabins
• Superior working and living conditions for the crew

Download full presentation and specifications (pdf)