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Dynamic Response of Different Types of TLPs in Liwan Gas Field

[+] Author Affiliations
Linfeng Song, Liping Sun, Jiayu Qian, Shengnan Liu

Harbin Engineering University, Harbin, China

Paper No. OMAE2013-10033, pp. V001T01A003; 6 pages
doi:10.1115/OMAE2013-10033
From:
  • ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 1: Offshore Technology
  • Nantes, France, June 9–14, 2013
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5531-7
  • Copyright © 2013 by ASME

abstract

Tension leg platform is an important compliant offshore structure used for oil exploration and drilling operations in deep water. This paper deals with the choice of four typical structural forms of the tension leg platform in harsh environmental conditions in the Liwan gas field of South China Sea. These platforms are designed based on a new principle of similarity in order to have the same similarity criterion. The three-dimensional radiation/diffraction theory is used for hydrodynamic analysis, and the far-field solution is used to get mean wave drift forces. The time-domain nonlinear dynamic responses are studied considering the couple between the mooring and the platform. The motion of the platform considers the coupled effect of TTRs, SCRs and the tendons. Wind, wave and current are assumed to be collinear. Considering the platform motion and the utilization ratio of tendon, the most suitable structure type is advised for the Liwan gas field.

Copyright © 2013 by ASME

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