Spread Mooring Design
The tendon and mooring design team at INTECSEA has the depth and breadth of experience necessary to successfully design stationkeeping systems for offshore platforms. The senior team members are the most experienced industry wide, and have firsthand knowledge of capabilities of the candidate suppliers, fabricators and installation contractors. A group of talented analysts working under the guidance of experienced senior engineers performs the global analysis required to predict the system performance. Other team members work with a view toward the capabilities of installation vessels and onboard equipment and how these items influence the design. At the end of the day, the INTECSEA integrated team provides a stationkeeping system design that meets both performance and installation requirements.
INTECSEA maintains close contact with classification societies, industry standards groups, installation and transportation contractors and equipment suppliers. Through our extensive interfacing with these companies, INTECSEA remains fully up-to-date regarding new equipment and systems under development and under construction. Thus we keep abreast of developments in design and installation and can utilize this knowledge throughout the course of a project to deliver the best solution to our client.
Spread Moorings:
- Permanent mooring systems
- Perform design and analysis work required for various field development phases from concept selection through detailed engineering
- Develop mooring spread pattern that is best suited for field architecture, both surface and subsea
- Determine general mooring system performance requirements to meet global system requirements for operating and survival conditions
- Determine detailed response of mooring system for use by other disciplines, such as riser designers and structural designers
- Develop moorings operations plan based on client operations plan, including phased installation of risers, drilling operations, offloading operations, etc.
- Provide solutions to potential problem areas (such as riser-mooring interference)
- Determine sizes of primary mooring system components based on performance requirements and classification society requirements, including stationkeeping performance, strength, and fatigue life
- Provide guidance on selection of on- and off-vessel mooring components
- Develop detailed bills of materials for mooring lines, including jewelry and termination assemblies
- Develop on-and off-vessel equipment specifications based on class society and company requirements and standards
- Determine anchor sizes based on soils data, anchor loads and anchor type
- Perform installation analysis to determine installation loads and identify additional equipment requirements
- Provide cost estimates for on- and off-vessel equipment and installation
- Provide procurement support
- Provide guidance on model testing requirements and suitable facilities
- Assist in selection of classification society
- Provide support for field life extension
- Review of existing mooring system capabilities and mooring designs by others
- MODU moorings
- Design and analysis of upgrade options for MODU moorings
- Support for on- and off-vessel equipment selection
- Foundation design support for ease of fabrication and minimal shipyard schedule
- Risk assessment consistent with API RP2SK Appendix K
- Mooring installation analysis
- Review of existing mooring system capabilities and mooring designs by others
- Tender assisted drilling mooring design
- Pre-FEED through detailed design level studies on TAD moorings
- Identify suitable drilling tenders based on knowledge of performance and operating and survival environments
- Design mooring system to provide minimal interference with local field architecture
- Perform multi-body coupled system analysis
- Perform clearance and clashing checks at multiple locations
- Provide guidance on operations to reduce risk of damage to facilities and personnel
- Conceptual and detailed design of suction pile and driven pile anchors
- Review of third-party anchor designs and proposals
- Development of mooring line inspection and repair plans and procedures
- Extensive experience with all steel and synthetic rope moorings systems
- Extensive experience with all anchor types
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