考虑内波流影响的南海八号钻井平台 锚泊能力分析评估

王俊荣; 付英军; 韦红术; 汪顺文

doi:10.13639/j.odpt.2015.01.010

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考虑内波流影响的南海八号钻井平台锚泊能力分析评估

王俊荣, 付英军, 韦红术, 汪顺文

文章导航 > 石油钻采工艺 > 2015 > 37(1): 43-46

王俊荣, 付英军, 韦红术, 汪顺文. 考虑内波流影响的南海八号钻井平台锚泊能力分析评估[J]. 石油钻采工艺, 2015, 37(1): 43-46. doi: 10.13639/j.odpt.2015.01.010

引用本文:

王俊荣, 付英军, 韦红术, 汪顺文. 考虑内波流影响的南海八号钻井平台锚泊能力分析评估[J]. 石油钻采工艺, 2015, 37(1): 43-46. doi: 10.13639/j.odpt.2015.01.010

WANG Junrong, FU Yingjun, WEI Hongshu, WANG Shunwen. Analysis and assessment on anchoring capacity of NANHAI 8 drilling platform with effects of internal solitary wave current are considered[J]. Oil Drilling & Production Technology, 2015, 37(1): 43-46. doi: 10.13639/j.odpt.2015.01.010

Citation:

WANG Junrong, FU Yingjun, WEI Hongshu, WANG Shunwen. Analysis and assessment on anchoring capacity of NANHAI 8 drilling platform with effects of internal solitary wave current are considered[J]. Oil Drilling & Production Technology, 2015, 37(1): 43-46. doi: 10.13639/j.odpt.2015.01.010

考虑内波流影响的南海八号钻井平台锚泊能力分析评估

doi: 10.13639/j.odpt.2015.01.010

1.
中海油研究总院，北京　100028
2.
中海石油中国有限公司深圳分公司，广东深圳　518067

详细信息

中图分类号: P751；TE49

Analysis and assessment on anchoring capacity of NANHAI 8 drilling platform with effects of internal solitary wave current are considered

1.
Research Institute of CNOOC, Beijing 100028, China
2.
Shenzhen Branch of CNOOC, Shenzhen 518067, China

摘要: 南海八号钻井平台在我国南海某油田钻井作业时，遭遇了内波流的作用，对平台的锚泊系统和钻井作业产生了一定的影响。结合南海特有的内波流环境条件，分析评估了南海八号钻井平台的锚泊能力。首先对平台的锚泊系统配置、海洋环境进行了介绍，然后就平台原设计环境条件进行了锚泊能力评估，平台水动力计算依据三维势流理论，采用挪威船级社DNV 的HydroD 和DeepC 软件，对南海八号半潜式钻井平台进行了水动力分析，并建立了平台系统耦合运动空间离散有限元模型的动平衡方程。重点评估了内波流作用下平台的定位能力，分析了平台遭遇不同内波流流速下平台的偏移、锚缆张力、锚的水平载荷，提出了可供平台作业方参考的工程建议。
- 深水钻井 /
- 内波流 /
- 南海八号钻井平台 /
- 锚泊系统 /
- 平台偏移 /
- 锚缆张力 /
- 拖曳锚承载力
Abstract: During the drilling operation of an oil field in the South China Sea, NANHAI 8 drilling platform has encountered the action of internal solitary wave current, and certain effects have been left on the platform mooring system and drilling operation. Pursuant to the unique environmental conditions of internal solitary wave current in the South China Sea, the anchoring capacity of NANHAI 8 drilling platform has been analyzed and assessed. At first, the platform mooring system configuration and marine environment have been introduced. After that, the anchoring capacity assessment has been conducted based on the original design environmental conditions of platform. With regard to the hydrodynamic calculation of platform, according to the three-dimensional potential flow theory, by virtue of HydroD and DeepC software of DNV (Det Norske Veritas), the hydrodynamic analysis has been conducted on No. 8 semi-submersible drilling platform in the South China Sea, and the dynamic balance equation of finite element model of coupling motion spatial dispersion of platform system has been established. The positioning capacity of platform under the action of internal solitary wave current has been assessed in an emphasized manner, the platform deviation, anchor cable tension, and anchor horizontal load under the action of different current speed of internal solitary wave current have been analyzed, and the engineering suggestions which may be referred to by the platform operator have been proposed.
- deepwater drilling /
- internal solitary wave current /
- NANHAI 8 drilling platform /
- mooring system /
- platform offset /
- mooring line tension /
- holding capacity of dragging anchor

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考虑内波流影响的南海八号钻井平台锚泊能力分析评估

doi: 10.13639/j.odpt.2015.01.010

1. 中海油研究总院，北京　100028

2. 中海石油中国有限公司深圳分公司，广东深圳　518067

收稿日期: 2019-05-21
修回日期: 2019-05-21
刊出日期: 2015-03-17

中图分类号: P751；TE49

关键词:

内波流 /

摘要: 南海八号钻井平台在我国南海某油田钻井作业时，遭遇了内波流的作用，对平台的锚泊系统和钻井作业产生了一定的影响。结合南海特有的内波流环境条件，分析评估了南海八号钻井平台的锚泊能力。首先对平台的锚泊系统配置、海洋环境进行了介绍，然后就平台原设计环境条件进行了锚泊能力评估，平台水动力计算依据三维势流理论，采用挪威船级社DNV 的HydroD 和DeepC 软件，对南海八号半潜式钻井平台进行了水动力分析，并建立了平台系统耦合运动空间离散有限元模型的动平衡方程。重点评估了内波流作用下平台的定位能力，分析了平台遭遇不同内波流流速下平台的偏移、锚缆张力、锚的水平载荷，提出了可供平台作业方参考的工程建议。

English Abstract

Analysis and assessment on anchoring capacity of NANHAI 8 drilling platform with effects of internal solitary wave current are considered

1. Research Institute of CNOOC, Beijing 100028, China

2. Shenzhen Branch of CNOOC, Shenzhen 518067, China

Received Date: 2019-05-21
Rev Recd Date: 2019-05-21
Publish Date: 2015-03-17

Keywords:

Abstract: During the drilling operation of an oil field in the South China Sea, NANHAI 8 drilling platform has encountered the action of internal solitary wave current, and certain effects have been left on the platform mooring system and drilling operation. Pursuant to the unique environmental conditions of internal solitary wave current in the South China Sea, the anchoring capacity of NANHAI 8 drilling platform has been analyzed and assessed. At first, the platform mooring system configuration and marine environment have been introduced. After that, the anchoring capacity assessment has been conducted based on the original design environmental conditions of platform. With regard to the hydrodynamic calculation of platform, according to the three-dimensional potential flow theory, by virtue of HydroD and DeepC software of DNV (Det Norske Veritas), the hydrodynamic analysis has been conducted on No. 8 semi-submersible drilling platform in the South China Sea, and the dynamic balance equation of finite element model of coupling motion spatial dispersion of platform system has been established. The positioning capacity of platform under the action of internal solitary wave current has been assessed in an emphasized manner, the platform deviation, anchor cable tension, and anchor horizontal load under the action of different current speed of internal solitary wave current have been analyzed, and the engineering suggestions which may be referred to by the platform operator have been proposed.

王俊荣, 付英军, 韦红术, 汪顺文. 考虑内波流影响的南海八号钻井平台锚泊能力分析评估[J]. 石油钻采工艺, 2015, 37(1): 43-46. doi: 10.13639/j.odpt.2015.01.010

引用本文:

王俊荣, 付英军, 韦红术, 汪顺文. 考虑内波流影响的南海八号钻井平台锚泊能力分析评估[J]. 石油钻采工艺, 2015, 37(1): 43-46. doi: 10.13639/j.odpt.2015.01.010

Citation:

WANG Junrong, FU Yingjun, WEI Hongshu, WANG Shunwen. Analysis and assessment on anchoring capacity of NANHAI 8 drilling platform with effects of internal solitary wave current are considered[J]. Oil Drilling & Production Technology, 2015, 37(1): 43-46. doi: 10.13639/j.odpt.2015.01.010