深水钻井隔水管系统配置及动力学特性分析

doi:10.11885/j.issn.1674-5086.2016.03.01.01

西南石油大学学报(自然科学版) ›› 2018, Vol. 40 ›› Issue (3): 156-163.DOI: 10.11885/j.issn.1674-5086.2016.03.01.01

深水钻井隔水管系统配置及动力学特性分析

王国荣^1,2, 曾诚¹, 毛良杰^1,2, 李阳³

1. "油气藏地质及开发工程"国家重点实验室·西南石油大学, 四川成都 610500;
2. "流体及动力机械"教育部重点实验室·西华大学, 四川成都 610039;
3. "深水工程"重点实验室·中海油研究总院有限责任公司, 北京朝阳 100028

收稿日期:2016-03-01 出版日期:2018-06-01 发布日期:2018-06-01
通讯作者: 王国荣,E-mail:swpi2002@163.com
作者简介:王国荣,1965年生,男,汉族,湖北仙桃人,教授,博士生导师,主要从事石油机械、油气井管柱力学及计算机仿真等方面的研究工作。E-mail:swpi2002@163.com;曾诚,1990年生,男,汉族,四川乐山人,硕士,主要从事油气井工程方面研究工作。E-mail:261077858@qq.com;毛良杰,1987年生,男,汉族,四川成都人,讲师,博士,主要从事油气井工程及海洋油气综合研究工作。E-mail:maoliangjie@foxmail.com;李阳,1984年生,男,汉族,辽宁鞍山人,高级工程师,主要从事海洋工程方面研究工作。E-mail:liyang10@cnooc.com.cn
基金资助:
国家自然科学基金（51604235）；“流体及动力机械”教育部重点实验室（西华大学）开放课题（szjj2017-097）

Analysis on Dynamics and Configurations of Deepwater Drilling Riser Systems

WANG Guorong^1,2, ZENG Cheng¹, MAO Liangjie^1,2, LI Yang³

1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China;
2. MOE Key Laboratory of Fluid and Power Machinery, Xihua University, Chengdu, Sichuan 610039, China;
3. Deepwater Engineering Key Laboratory, CNOOC Research Institute Co. Ltd., Chaoyang, Beijing 100028, China

Received:2016-03-01 Online:2018-06-01 Published:2018-06-01

摘要/Abstract

摘要： 针对钻井隔水管钻井隔水管问题，总结了海洋隔水管基本配置特征，使用变分原理推导了隔水管动力学数学方程，确定了考虑上下端旋转刚度的边界条件，建立了波浪载荷影响下的隔水管动力响应分析模型，利用埃尔米特三次差值函数对其进行离散，分析了不同工况对隔水管变形特性的影响。结果表明，顶张力越大，隔水管的位移越小；海流类型对隔水管的变形特征具有明显影响；海流的表面流速对隔水管的变形影响十分显著，表面流速增加时，隔水管位移大大增加；常规海况下，风速较低，风速对隔水管动力响应的影响很小；但当系统遭遇极端天气（如台风）时，隔水管的位移会明显增加。

关键词: 隔水管, 动力响应, 系统配置, 海洋环境, 深水钻井

Abstract: Aim at the problem of drilling riser systems, this paper summarizes the basic configurational characteristics of marine drilling risers and uses the variational principle to derive mathematical dynamics equations for drilling risers. A model was constructed for the dynamic responses of drilling risers subjected to wave loads by determining the boundary conditions for the rotational stiffnesses of the upper and lower ends of a drilling riser. A cubic Hermite spline was used to discretize this model. The effects of different operating conditions on the deformation characteristics of the drilling riser were analyzed. The results showed that the displacement of the drilling riser decreases as the top tension increases. The type of oceanic current also significantly influences the deformation characteristics of drilling risers. The surface velocity of the oceanic currents has a highly significant impact on the drilling riser deformations, that is, the drilling riser displacements greatly increase with the increasing surface velocity. Under ordinary marine conditions with low wind speeds, the effects of the wind speed on the dynamic responses of a drilling riser are very small. However, the drilling riser displacement will increase significantly if extreme weather conditions (e.g., typhoons) are encountered by the system.

Key words: drilling riser, dynamic responses, system configuration, marine environments, deepwater drilling

中图分类号:

TE951

王国荣, 曾诚, 毛良杰, 李阳. 深水钻井隔水管系统配置及动力学特性分析[J]. 西南石油大学学报(自然科学版), 2018, 40(3): 156-163.

WANG Guorong, ZENG Cheng, MAO Liangjie, LI Yang. Analysis on Dynamics and Configurations of Deepwater Drilling Riser Systems[J]. 西南石油大学学报(自然科学版), 2018, 40(3): 156-163.

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深水钻井隔水管系统配置及动力学特性分析

Analysis on Dynamics and Configurations of Deepwater Drilling Riser Systems

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