SPECIAL SECTION: 1987 OTC PAPERS
Mar 1, 1989

Influence of Tension, Weight, and Hydrostatic Pressure on TLP Tendons

Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 115, Issue 2

Abstract

The effect of increasing water depth on the performance of deep water tendons of tension leg platforms (TLP) is examined. Equations to determine limits on water depths for tendon systems based on strength and hydrostatic collapse requirements are presented. Relations between tendon tensions and reactions on a TLP hull are derived. Conditions for which neutrally buoyant tendons can be utilized are presented. For very deep water, the limiting diameter‐to‐thickness ratio (D/t) is presented for different tendon variables. For a water depth of 5,000 feet, the D/t ratio is limited to about fifteen due to hydrostatic collapse constraints. Composite tendons can provide reduced pretension, improved restoring force, and reduced drag forces.

Get full access to this article

View all available purchase options and get full access to this article.

References

1.
Bernitsas, M. M., and Kokkinis, T. (1983). “Buckling of risers in tension due to internal pressure: Nonmovable boundaries.” J. Energy Resour. Technol. Trans., ASME, 105(3), 277–281.
2.
Brekke, J. N., and Gardner, T. N. (1986). “Analysis of brief tension loss in TLP tethers.” Proc. Fifth Int. Offshore Mech. and Arctic Engrg. Symp., American Society of Mechanical Engineers, 3, 134–140.
3.
Larsen, C. M., et al. (1984). “Nonlinear static and dynamic behavior of tension leg platform tethers.” Proc. Third Int. Offshore Mech. and Arctic Engrg. Symp., American Society of Mechanical Engineering, 41–50.
4.
Mercier, J. A. (1982). “Evolution of tension leg platform technology.” Presented at Third Int. Conf. on the Behavior of Offshore Structures, Mass. Inst. of Tech.
5.
Murphey, C. E., and Langner, C. G. (1985). “Ultimate pipe strength under bending, collapse, and fatigue.” Proc. Fourth Int. Offshore Mech. and Arctic Engrg. Symp., American Society of Mech. Engrs., 1, 467–477.
6.
“Recommended practice for planning, designing, and constructing fixed offshore platforms.” (1986). API RP 2A, 16th Ed., American Petroleum Institute, Washington, D.C., 32.
7.
“Recommended practice for planning, designing, and constructing tension leg platforms.” (1987). API RP 2A, 1st Ed., American Petroleum Institute, Washington, D.C., 62.
8.
Salama, M. M. (1984). “Lightweight materials for mooring lines of deepwater tension leg platforms.” Journal of Marine Technology. 21(3), 234–241.
9.
Sparks, C. P. (1984). “The influence of tension, pressure and weight on pipe and riser deformations and stresses.” J. Energy Resour. Technol. Trans., ASME, 106(1), 46–54.
10.
Tetlow, J., and Leece, M. (1982). “Hutton TLP mooring system.” Proc. Offshore Tech. Conf., 573–584.

Information & Authors

Information

Published In

Go to Journal of Waterway, Port, Coastal, and Ocean Engineering
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 115Issue 2March 1989
Pages: 172 - 189

History

Published online: Mar 1, 1989
Published in print: Mar 1989

Permissions

Request permissions for this article.

Authors

Affiliations

Shaddy Y. Hanna
Staff Engr., Production Engrg. and Res. Div., Conoco Inc., P.O. Box 2197, Houston, TX 77252
William H. Thomason
Res. Assoc., Production Engrg. and Res. Div., Conoco Inc., Ponca City, OK 74603
Jerry G. Williams
Res. Assoc., Production Engrg. and Res. Div., Conoco, Inc., Ponca City, OK 74603

Metrics & Citations

Metrics

Citations

Download citation

If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.

View Options

Get Access

Access content

Please select your options to get access

Log in/Register Log in via your institution (Shibboleth)
ASCE Members: Please log in to see member pricing

Purchase

Save for later Information on ASCE Library Cards
ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.

Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
ASCE Library Card (5 downloads)
$105.00
Add to cart
ASCE Library Card (20 downloads)
$280.00
Add to cart
Buy Single Article
$35.00
Add to cart

Get Access

Access content

Please select your options to get access

Log in/Register Log in via your institution (Shibboleth)
ASCE Members: Please log in to see member pricing

Purchase

Save for later Information on ASCE Library Cards
ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.

Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
ASCE Library Card (5 downloads)
$105.00
Add to cart
ASCE Library Card (20 downloads)
$280.00
Add to cart
Buy Single Article
$35.00
Add to cart

Media

Figures

Other

Tables

Share

Share

Copy the content Link

Share with email

Email a colleague

Share