The offshore industry must continue to find ways to more efficiently develop deepwater reserves. Dry tree floating production units (DTUs) have now evolved to a point where they are being very cost effectively constructed in 22 months based on standardized detailed designs. Drillmar’s coupled tender mooring solution  enables both drilling and production operations to be conducted from these standardized units. This passive mooring system synchronizes the low frequency movements of a semisubmersible vessel to a DTU, maintaining their relative positions to provide an efficient and safe tender operation. This tender strategy decreases the topside payload of the DTU by approximately 6,000 short tons compared to a unit designed for a platform drilling rig. This payload reduction allows standardized production designs to be used at a cost savings of at least 20%, while potentially delivering a project schedule acceleration of 8 to 10 months.
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Coupled Tender Mooring For Spar and TLP Designs
Paper presented at the SNAME 11th Offshore Symposium, Houston, Texas, February 2002.
Paper Number: SNAME-TOS-2002-006
Published: February 20 2002
Beato, Chris, Tein, David, Chen, Donghui, and Amit Katarya. "Coupled Tender Mooring For Spar and TLP Designs." Paper presented at the SNAME 11th Offshore Symposium, Houston, Texas, February 2002.
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