应急封井装置导向下放系统结构动态响应特性研究*

doi:10.16265/j.cnki.issn1003-3033.2022.08.1678

中国安全科学学报 ›› 2022, Vol. 32 ›› Issue (8): 194-200.doi: 10.16265/j.cnki.issn1003-3033.2022.08.1678

应急封井装置导向下放系统结构动态响应特性研究*

朱敬宇¹(), 陈国明¹^,^**(), 刘康¹, 赵一培²

¹ 中国石油大学(华东) 海洋油气装备与安全技术研究中心,山东青岛 266580
² 海洋石油工程股份有限公司,天津 300451

收稿日期:2022-01-11 修回日期:2022-05-24 出版日期:2022-09-05
通讯作者:
^** 陈国明(1962—),男,浙江绍兴,博士,教授,博士生导师,主要从海洋油气工程及装备、油气安全工程方面的研究。E-mail: offshore@126.com。
作者简介:
朱敬宇 (1992—),男,河南永城人,博士研究生,研究方向为深水井喷风险控制。E-mail: jingyu_zhu@126.com。
基金资助:
国家重点研发计划项目(2017YFC0804501); 国家自然科学基金青年基金资助(52104016)

Research on structural dynamic response characteristic of capping stack landed guiding system

ZHU Jingyu¹(), CHEN Guoming¹^,^**(), LIU Kang¹, ZHAO Yipei²

¹ Centre for Offshore Engineering and Safety Technology, China University of Petroleum, Qingdao Shandong 266580, China
² Offshore Oil Engineering Co., Ltd, Tianjin 300451, China

Received:2022-01-11 Revised:2022-05-24 Published:2022-09-05

摘要/Abstract

摘要：

为解决深水应急封井装置下放过程存在的横向偏移大、难以对中下放的问题,提出基于导向系统下放的作业方式;利用OrcaFlex非线性时域有限元软件,建立平台-导向架-应急封井装置系统的耦合动力学模型,探究导向下放系统的结构动态响应特性,分析海面流速、方向、装置质量等参数对系统下放作业过程的影响。实例计算结果表明:整个下放过程中导向系统最大横向偏移为3.68 m, 封井装置的转角小于1°,验证导向系统对下放有较强的约束作用,并且经过校核的导向系统,其结构强度满足安全作业要求;海面流速和封井装置的质量对下放钻杆的应力影响显著,而海流方向对飞溅区导向架接触力影响较大,但均不会影响封井装置的顺利下放。

关键词: 应急封井装置, 导向下放系统, 结构动态响应, 海面流速, 海流方向

Abstract:

In order to solve the problems of large lateral deviation and difficulty to be smoothly landed and installed of deep subsea capping stack, the operation mode based on the land of guiding system. is proposed. A coupling dynamic model of the platform, steering frame, capping stack system was established with nonlinear time domain finite element software OrcaFlex. The structural dynamic response characteristics of land guiding systems was explored, and the influence of sea surface velocity, direction, the device weight and other parameters on the land and installation process of the system was analyzed. The calculation results of the example show that the maximum lateral deviation of the guiding system is 3.68 m and the rotation angle of the capping stack is less than 1° in the whole land and installation process, which verifies that the guiding system has a strong constraint on landing. Meanwhile, the structural strength of the checked guiding system meets the requirements of safe operation. The sea surface velocity and the capping stack weight have an obvious influence on the stress of the landing drill pipe, while the direction of the sea current has a great influence on the contact force of the guide frame in the splash zone. But all of these don't affect the smooth land and installation of capping stack.

Key words: capping stack, land guiding system, structural dynamic response, sea surface velocity, current direction

朱敬宇, 陈国明, 刘康, 赵一培. 应急封井装置导向下放系统结构动态响应特性研究*[J]. 中国安全科学学报, 2022, 32(8): 194-200.

ZHU Jingyu, CHEN Guoming, LIU Kang, ZHAO Yipei. Research on structural dynamic response characteristic of capping stack landed guiding system[J]. China Safety Science Journal, 2022, 32(8): 194-200.

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钻杆	数值	应急封井装置	数值
外径/mm	168.3	长×宽×高/ m×m×m	6×3.5×6
壁厚/mm	9.3	质量/kg	1.2×10⁵
杨氏模量/GPa	210	重心位置/m	(0, 0, 3)
泊松比	0.3	拖曳力系数	1.32
拖曳力系数	1.2	惯性力系数	2.0
惯性力系数	2.0

水深/ m	变量
水深/ m	应急封井装置转角/(°)	导向架接触力/kN
20	0.46	21.38
300	0.08	2.03
600	0.15	2.39
900	0.32	3.18
1 150	0.48	3.20

应急封井装置导向下放系统结构动态响应特性研究*

Research on structural dynamic response characteristic of capping stack landed guiding system

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