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发表于 2008-6-26 11:47
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来自： 中国上海
ABSTRACT
ABSTRACT
Hybrid Riser Towers (HRTs) have been demonstrated to operate when connected to
spread-moored FPSO’s in West Africa. As Turret-moored FPSO’s projects are
appearing in the Gulf of Mexico (GOM) and Brazil; it is necessary to have a closer
look at the impact of harsher metocean conditions and possibly smaller FPSO hulls.
Assessments of jumper interference of HRT configurations for Brazil Campos Basin
and Gulf of Mexico conditions were carried out. Criteria were developed to quantify
the magnitude of the forces acting on downstream jumpers. The interference criteria
cater for static and dynamic conditions and account for wake shielding and wake
instability. Calculations in GOM conditions accounted for strong currents such as
eddy, Loop, and submerged currents. Wake-interaction contours were then
developed to describe the lateral and longitudinal extent of the wake, within which,
there is significant potential for downstream jumper displacement and interference.
The criteria were efficiently applied to determine which jumpers were most prone to
potentially damaging wake interference.
The HRT comparison in Brazil and GOM is summarized. With this respect, the
results of the study confirmed that a HRT system could be applied to a turret-moored
FPSO in the Brazilian and Gulf of Mexico environments. |
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楼主: fangqilei
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发表于 2008-6-25 22:35
