Optimization analysis of the riser top tension force in deepwater drilling: Aiming at the minimum variance of lower flexible joint deflection angle
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- 作者：Yanbin Wang ; wyb576219861@126.com" class="auth_mail" title="E-mail the corresponding author ; Deli Gao gaodeli@cast.org.cn" class="auth_mail" title="E-mail the corresponding author ; Jun Fang
- 关键词：Deepwater drilling riser ; Top tension force ; Optimization analysis ; Transfer matrix method ; Spectrum analysis
- 刊名：Journal of Petroleum Science and Engineering
- 出版年：2016
- 出版时间：October 2016
- 年：2016
- 卷：146
- 期：Complete
- 页码：149-157
- 全文大小：1618 K
文摘
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The mechanical model and analysis method have been established to optimize riser top tension.
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The top tension is optimized with the minimum variance of the lower flexible joint deflection angle.
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The analysis method include transfer matrix, spectrum analysis and cubic Hermite interpolation polynomial.
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The influence of several factors on the optimal top tension has been discussed in details.
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The research has important significance for optimization design of the marine drilling riser top tension.