A new conceptual design of a deepwater MONOBUOY, named DeepWater MultiColumn Buoy (DWMCB), patent PCT/BR2011/000133, was developed by PETROBRAS/CENPES. The DWMCB was designed to be part of an offloading system for a Spread Moored Floating Production Offloading Unit (FPSO). The offloading system principle consists of Oil being exported from the FPSO to a Shutle tanker passing through Offloading Oil Lines (OOLs) that are supported by the DWMCB. The system is designed to operate at a water depth of 2,200 meters, with expected in site life duration of 25 years. The geometry of DWMCB was defined after an optimization process in order to minimize its motions. This paper describes the development of this concept and discusses the results from some design verifications done with the help of a model tests campaign. An equivalent traditional shaped monobuoy was also tested for comparison purposes.
Development of Deep Water Multicolumn Buoy
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Barreira, RA, Vileti, VL, Sales, JS, Jr., Sphaier, SH, & Esperança, PDTT. "Development of Deep Water Multicolumn Buoy." Proceedings of the ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. Volume 1B: Offshore Technology. San Francisco, California, USA. June 8–13, 2014. V01BT01A021. ASME. https://doi.org/10.1115/OMAE2014-24274
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