wind turbine api rp2 series
TRANSCRIPT
Available Existing Standards: API RP2 Series
Sean VerretPrincipal Engineer
Energo Engineering
Offshore Wind Energy Workshop Washington DCMarch 25, 2010
Existing Standards:API RP2 Series
Sean Verret - Offshore Wind Energy Workshop - Washington DC – March 25, 2010
Key Points
2
API Standards Background
Example Applications
Lessons Learned
Conclusion
Offshore Oil and Gas Caisson Structure
Offshore Wind Energy Caisson Structure
Existing Standards:API RP2 Series
Sean Verret - Offshore Wind Energy Workshop - Washington DC – March 25, 2010
API RP2 Series Primary Documents
3
Over 40 Years Experience
Primary Structural Standards
RP2A – Fixed (22nd Edition)
RP2T – Tension Leg
RP2FPS – Floating Production
First Offshore Platform
Deepwater Fixed Platform
Deepwater Floating Platform
Existing Standards:API RP2 Series
Sean Verret - Offshore Wind Energy Workshop - Washington DC – March 25, 2010
API RP2 Series Support Documents
4
Support Standards
2GEN (Pending) - General
2MET – Metocean
2EQ – Earthquake
2GEO - Geotechnical
2SIM – Structural Integrity Management
Special
2INT DG – Design Guide
2INT EX – Assessment of Existing
2HINS – Post Hurricane Inspection
Others
Existing Standards:API RP2 Series
Sean Verret - Offshore Wind Energy Workshop - Washington DC – March 25, 2010
Example Applications - Fixed
5
Fixed Structures Designed to RP2A
Versatile Design Approach
Loading
Metocean
Earthquake
Steel Design
Foundation
Material
Fabrication
Installation
Structural Integrity Management
Inspection
Assessment
Small Single Caisson
Big 4-pile Platform
Bigger 8-pile Platform
Existing Standards:API RP2 Series
Sean Verret - Offshore Wind Energy Workshop - Washington DC – March 25, 2010
Example Applications - Floating
6
Floating Structures Designed to RP 2T and RP 2FPS
Versatile Design
Loading
Metocean
Motions
Mooring Systems
Mooring Lines
Anchors
SPAR
TLP
FPS
Existing Standards:API RP2 Series
Sean Verret - Offshore Wind Energy Workshop - Washington DC – March 25, 2010
Lessons Learned
7
Hurricanes Ivan, Katrina, Rita, & Ike
Metocean
Hmax increase 70’ to 90’
Structural Damage
Details matter
Foundations
Caisson pile tip rotation
Wave In Deck Damage
Broken Connection Cracked Joint
Leaning Caisson
Existing Standards:API RP2 Series
Sean Verret - Offshore Wind Energy Workshop - Washington DC – March 25, 2010
Conclusion
8
40 Years of Experience - 22 Editions
Design
Foundation
Fabrication
Installation
SIM
Lessons Learned
Hurricanes
SIM 40 years in service, 1000’s of platforms
Full Suite
Fixed Structures
Floating Structures
Good reference basis for US Offshore Wind Energy Projects