0 votes
169 views

Recommendations for the type of riser for spread or turret moored FPSO?

asked Oct 24, 2014 in Drilling by lampanda (2,450 points)
Are there any recommendations for selecting the right type of riser for either spread or turret moored FPSO?

2 Answers

0 votes
answered Oct 24, 2014 by josvanden (2,940 points)

The following tables give suggested criteria for such information. 

Criteria Score for Spread Moored FPSO:

CRITERIA

SCR

FLEX

SLOR

HRT

New Technology

10

10

7

4

Design Complexity

10

7

7

4

Approach Flexibility

7

7

7

7

Riser Load on FPSO

4

7

10

10

Fabrication Complexity

10

7

4

1

Installation Complexity

7

10

4

4

Operability / Reliability

10

4

7

4

Cost

10

10

1

4

Pre-Installation / Disconnect-ability

1

4

10

10

 

Criteria Score for Turret Moored FPSO:

CRITERIA

SCR

FLEX

SLOR

HRT

New Technology

N/A

10

7

4

Design Complexity

N/A

7

7

4

Approach Flexibility

N/A

7

7

7

Riser Load on FPSO

N/A

7

10

10

Fabrication Complexity

N/A

7

4

1

Installation Complexity

N/A

10

4

4

Operability / Reliability

N/A

4

7

4

Cost

N/A

10

1

4

Pre-Installation / Disconnect-ability

N/A

4

10

10

 

 

 

0 votes
answered Oct 24, 2014 by josvanden (2,940 points)
Below is a posting on definitions of type of risers.

http://www.ognition.com/829/types-of-risers-on-spread-and-turret-moored-fpso
...