1 introduction to marine operations.ppt

8/18/2019 1 Introduction to Marine Operations.ppt

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Presenter name, location, date etc.

MEK 4450Marine operationsKværner ASA, UiO, Oct. !""


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About myself

#el$e %ohns$ardPh& a''lied (athematics, UiO

Kværner %ac)et technolo$y


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Safety moment


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Summary of the course

*rief introduction to marine o'erationsExam'les ta)en from three fields

*rief descri'tion of 'ro+ect challen$es

Some sim'le analytical models

*rief introduction to main numerical tools


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Summary of the course

EEK " EEK

". ecture ntroduction andsummary

Pro+ect challen$es

ayin$ of flexibleelements

. ecture &ra$, added mass,(orisson e/uation

S'rin$-mass

Subsea module liftin$

0. ecture #ydrostatic model

1re/uency domainhydrodynamic

2ime domain analyses

Platform installation


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2y'ical marine o'erations


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OIL COMPANYOIL

EPCcontractor

T&I

contractor

National

regulations Insurance

compan!arrant

sur"eor

#$ Part

"eri%ication


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Pro+ect 'hases

Early 'haseKey 'ersonnel

1amiliari3ation

dentify critical activities

(ain 'lannin$ 'hase

Production of documents and dra4in$sPurchase and 'roduce e/ui'ment and tools

(arine o'erations(obili3ation

oad-out

2rans'ortnstallation

&e- mobili3ation


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5our res'onsibility

Ensure proper margins for….Motions

Forces

Stability

Accessibility

6.induced byStatic confi$uration

O'erational actions

Environmental forces

nterface

O'erational 'lannin$Procurement

7lient


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(otions 8 clearances

Shac)le 'ad eyes, chain lin)s

ifted ob+ectdec) modules

2o4in$ 4irecorners of to4ed ob+ect

9essel 'latform le$ o'enin$s

&ec) layout, seafastenin$

Production tolerances

Pendulum motion in crane

9essel motions

:uidin$.O'enin$s

m'act loads


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1orces 8 structural ca'acity

1orces in $uidin$ systems1orces in liftin$ or tu$$in$ 4ires

oadin$ of vessels and structuresocal and $lobal loads

*endin$ and tension ofcables

Safety factors

(aterial /uality andsertificates


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Stability 8 ca'acity

1ree floatin$; 97*, 97:, ater 'lane areaSlac) tan)s

7ontact forces

Airfilled com'artmet

*ody interaction

7a'acity; sin)in$<


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eather sensivity

:iven desi$n => 'ro'er en$ineerin$ => $iven o'erationalcondition

Uncertain 4eather forecasts => Al'ha factor

aitin$ on 4eather

ho?s 'ayin$<#o4 to establish the actual 4eather conditions<


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#eaven and hell

7ontract loyalty 8 honestynter'retation of rules and re$ulations

Sufficient time and resources for analysis

1 introduction to marine operations.ppt

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