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Edit this text for your title. MEK 4450 Marine Operations. Edit this text for your sub-title Presenter name, location, date etc. Kværner ASA / DNV, Fall 2012. Various Types of Platforms. Floating or bottom fixed Living quarters, storage, drilling, processing etc Foundation + topside.
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Edit this text for your title MEK 4450 Marine Operations Edit this text for your sub-title Presenter name, location, date etc. Kværner ASA / DNV, Fall 2012
Various Types of Platforms Floating or bottom fixed Living quarters, storage, drilling, processing etc Foundation + topside
Installation Prepare for transport Load-out, dry tow Transfer to floating condition, wet tow Tow to field Design of towing fleet Installation Transfer to “installation mode” Positioning (horizontal and vertical) Hook-up to mooring, set- down on sea floor etc. Installation of topside
Jacket fabrication Bilder
Load-out Bilder
Load-out Bilder
Transportation Bilder
Some challenges during launch and upending Position and size of temporary buoyancy tanks Maximum forces at rocker beam Maximum depth during launch Structural loads due to hydrostatic pressure Bottom clearance Floating condition after launch Access to lifting arrangement Upending Structural loads Crane load Bottom clearances Proper upright position Ballasting of side legs
Jacket installation,- final phases Jacket in upright position? Ballast in jacket legs Transit to set-down point. Several 100 meters Further ballasting and lowering by crane Landing Release crane On-bottom stability in temporary phase? Piling
Topside Bilder av Loadout og floatover Skidding or trailers
Topside Bilde av Dry tow-out
GBS Bilder at GBS utslep og installasjon
Tension Leg Platform (TLP) Platform with buoyant sub-structure Vertical strong and stiff mooring, high pre-tension Vertical motion arrested Large horizontal motions
TLP installation Lowering and piling of foundations Tendon installation Tow-out of platform Hook-up and pre-tensioning
Mooring hook-up Skisser