## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2American Society of Mechanical Engineers, 2001 - Arctic regions |

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Page 4

Touch down length is 35m in vessel far

276 MPa in vessel near

is required as compared to 700m in case of TLP in 350m water depth due to ...

Touch down length is 35m in vessel far

**position**. Maximum von - mises stress is276 MPa in vessel near

**position**as shown in Fig 4 . A higher riser length of 875mis required as compared to 700m in case of TLP in 350m water depth due to ...

Page 260

The BOP downtime resulting from repair activities differ substantially the BOP's

while running and those on the well head usually involving most downtime .

The BOP downtime resulting from repair activities differ substantially the BOP's

**position**with failures on the surface involving less downtime than those that occurwhile running and those on the well head usually involving most downtime .

Page 386

Having established these coefficients , the optimal increment of the vessel

the loss function with respect to these quantities . By setting the derivatives equal

to ...

Having established these coefficients , the optimal increment of the vessel

**position**and the optimal direction of this increment can be found by differentiatingthe loss function with respect to these quantities . By setting the derivatives equal

to ...

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acceptable analysis applied approach assessment associated assumed calculated coefficient combined components considered corresponding corrosion cost crack criteria damage dependent depth determined developed directional distribution dynamic effect element Engineering environmental equation estimate evaluated example expressed extreme factor failure fatigue Figure force frequency function fuzzy given important increase initial inspection limit load loss maintenance marine maximum mean measures Mechanics method motion normal observed obtained offshore operations parameters peak performed period pipe pipeline platform possible prediction present probability procedure production random range relative reliability represented response return period riser risk safety ship shown shows significant simulation spectral spectrum statistical steel storm strength stress structure surface Table theory typical uncertainty variables wave height wind