高性能张力腿平台的优化设计与性能分析

摘要/Abstract

摘要： 针对现有钻井张力腿平台的不足，设计了性能更优异的TLP平台，为TLP平台的设计选型提供参考。基于第六代半潜式钻井平台结构设计方法，结合垂荡板与TLP平台自身结构的优缺点进行了分析设计，并采用水动力分析软件进行综合评价。在单位波高作用下，TLP平台的垂荡响应受入射波的频率影响较大，受浪向的影响较小，新平台可有效抑制最大垂荡响应；垂荡板结构使平台的垂荡固有周期减小；新平台较原平台的垂向阻力增大约1.769倍；新平台垂荡时间历程响应降幅值为7.247m，垂荡响应缩减比例达60.74%。结果表明，TLP平台优化设计方法合理，新平台较原平台表现出了优秀的综合垂荡水动力性能，具有一定的应用前景。

关键词: 张力腿平台, 优化设计, 垂荡结构, 水动力性能, 垂荡固有周期

Abstract: According to the deficiency of the existing TLP drilling platforms, A TLP with excellent performance was designed to provide reference for the design and selection of TLPs. Based on structure design method of sixth generation semi-submersible drilling platform, combining the advantages and disadvantages of heave plates and TLPs for analysis and design, a comprehensive evaluation was presented by hydrodynamics analysis software. Under the action of unit wave height, heave responses of TLPs were greatly influenced by incident wave frequencies and less influenced by wave directions. The new platform may effectively restrain the maximum heave responses. The natural periods of platforms heave response were reduced by heave plate structures. The vertical resistance of new type platform is about 1.769 times larger than that of the original platform. The time history responses of the new platform are decline of 7.247m, the heave responses reduce 60.74%. Results show that the optimization design of TLPs is reasonable. Compared with original platform, the new platform has an excellent hydrodynamic performance and good application prospects.

Key words: tension leg platform(TLP), optimization design, heave structure, hydrodynamic performance, natural cycle of heave response

中图分类号:

TH122

陈博, 喻志勇, 李骁健, 吕勇. 高性能张力腿平台的优化设计与性能分析[J]. 中国机械工程.

CHEN Bo, YU Zhiyong, LI Xiaojian, LYU Yong. Optimization Design and Performance Analysis of High Performance TLPs[J]. China Mechanical Engineering.

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