Top-tension requirement for a production riser given wet weight, internal content weight and safety margin - OSV / FPSO design input.
Formula
$$ T_{top} = (w_{wet} + w_{content}) \cdot L \cdot (1 + m) $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $w_{wet}$ | Riser wet weight per unit length | kN/m | riser data |
| $L$ | Water depth | m | field data |
Sources
- API Spec 2RD.