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The APPEA Journal The APPEA Journal Society
Journal of Australian Energy Producers
RESEARCH ARTICLE

CONDEEP® MonoFloater—spread-moored turretless FPSO platform

Jacqueline Næss A , Nora Haug A and Jan Munkeby A
+ Author Affiliations
- Author Affiliations

Aker Solutions

The APPEA Journal 49(1) 283-294 https://doi.org/10.1071/AJ08017
Published: 2009

Abstract

The CONDEEP® MonoFloater is an innovative concrete floating platform with a cylindrical hull capable of supporting large topsides. Its design allows for topside weights in excess of 30,000 tonnes. Storage space inside the hull is in excess of 1 million barrels with options for direct offloading to cargo tankers. The CONDEEP® MonoFloater is anchored in a conventional spread mooring so a high number of risers can be accommodated as no turret limitations apply. The CONDEEP® MonoFloater is designed for operation in harsh environments and water depths in excess of 250 m with a potential concrete design life of over 70 years.

Jacqueline Næss is an engineer with Aker Solutions’ marine concrete structures department with a BEng in civil and structural engineering from the University of Bradford. She has 16 years experience in the civil engineering and construction industries, including five years in the oil and gas industry. Working with Aker Solutions, Jacqueline has been involved in construction projects and offshore installations and is currently working with concept development studies in Australasia. She is a chartered engineer. Member: Institution of Engineers of Ireland.

jacqueline.naess@akersolutions.com

Nora Haug has a MSc in marine technology from The Norwegian University of Science and Technology. She is employed as a specialist engineer in the department for floaters and deepwater solutions in Aker Solutions, Norway. For the past 10 years, she has been involved in a range of semi-submersible designs, spars and other floating concepts with special focus on hydrodynamic analysis, station keeping and model testing.

nora.haug@akersolutions.com

Jan Munkeby is a structural engineer with Aker Solutions’ marine concrete department. He is a sivilingeniør with a MSc from the Institute of Technology at Trondheim University, Norway and has been involved since 1970 in the design of a variety of structures—the majority being in structural concrete. Jan has spent the last 25 years working with the design of major offshore concrete structures in the North Sea and worldwide including conceptual development work on various ice resisting structures, LNG terminals, and concrete floaters.

jan.munkeby@akersolutions.com