Proven performance, efficient operations and flexible drilling reach for demanding offshore environments. More than fifty CJ-series units have been delivered since the first unit in 1980. These three-legged cantilever drilling jack-ups combine extreme drilling reach and operational flexibility with a focus on efficiency and reliability. Learn how the CJ-series can support your field requirements.
Capabilities across the CJ-series
The well-established CJ-series comprises seven distinct jack-up design types for moderate and harsh environments. Together, they span a broad range of capabilities, from the CJ43’s suitability for worldwide fields with established footprint requirements to the CJ70’s capacity for year-round operations in the harsh conditions of the North Sea. Across the range, the designs support different water depths, environmental and variable load requirements and drilling reaches, with customization available to meet each owner’s operational needs.
Designed for operational efficiency
Structural capability for demanding operations
Large variable load across operating conditions
Efficient drilling performance
X-Y cantilever skidding for a wide drilling envelope
Sturdy leg bracing
Large deck areas
Customization to owner requirements
Find the right CJ design for your field
Tell us about your operating conditions and requirements.
Our team can help identify a suitable CJ-series design and discuss customization options
Why GustoMSC
Proven installed base
Decades of offshore operational experience across a global fleet of jack-up units
System-level expertise
Deep understanding of vessel integration, offshore operations, and jacking system performance
Continuous innovation
Building on proven technology foundations to support evolving offshore energy market demands
Why partner with GustoMSC
With decades of offshore experience and a proven track record of innovation, GustoMSC helps clients unlock the full potential of their assets through smarter designs, life extension, and future-ready solutions that deliver safe, efficient, and sustainable performance.




