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Technology
Assessment & Research (TA&R) Program
| Project Number |
368 |
| Date of Summary |
June 7, 2007 |
| Subject |
Response of Tanker Based FPSO to
GOM Hurricanes |
| Performing Activity |
Texas A&M University,
Offshore Technology Research Center (OTRC) |
| Principal Investigator |
M. Irani and E.G. Ward |
| Contracting Agency |
Minerals Management Service |
| Estimated Completion |
September 2007 |
| Description |
Conduct model tests to measure the responses of a moor
tanker-based FPSO in wave, wind, and current conditions typical of
hurricanes and Loop currents in the Gulf of Mexico. The model test data was used to validate various analytical response models of FPSO’s, including
those developed in the earlier OTRC projects relating to Moored-Tanker-Based
FPSO responses. |
| Progress |
As part of a Master of Engineering student
project, data were analyzed from the 2002 test programs with the FPSO in a
soft moor. An Analysis of the free oscillation tests was completed. Next an
analysis of regular and irregular wave tests to develop Response Amplitude
Operators (RAOs) was compared with numerical modeling results. Experiments
focused on FPSO responses in waves and currents. New equipment was tested in
the wave and current meters. The first phase report AA is available below.
FPSO tests are being conducted in the OTRC test basin
starting with the FPSO spread moored and finishing up with a series of tests
with the FPSO turret moored. Data will be analyzed and a final report for
the entire project will be written. The preliminary tests were
conducted in February and they did exhibit a significant incremental slow
drift response that can be attributed to the wave/current interaction. This
is not included in most numerical models for designing mooring & riser
systems for FPSO’s |
| Report |
AA
(21 pages) |
Responses of a Tanker-Based FPSO to Hurricanes
in the Gulf of Mexico |
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