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8/18/2019 1 Introduction to Marine Operations.ppt
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MEK 4450Marine operationsKværner ASA, UiO, Oct. !""
8/18/2019 1 Introduction to Marine Operations.ppt
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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
Recommended