深水隔水管-防喷器组耦合系统动力学建模与仿真验证

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振动与冲击 ›› 2024, Vol. 43 ›› Issue (11) : 1-8.

论文

畅元江，王仕超,李健，刘秀全

作者信息 +

Dynamic modeling and simulation verification of deepwater riser-BOP stack coupled system

CHANG Yuanjiang, WANG Shichao, LI Jian, LIU Xiuquan

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文章历史 +

摘要

在深水钻井过程中，隔水管与防喷器组系统是整个作业环节的重要一环。由于在作业过程中面临着诸多风险，因此，建立精确的隔水管-防喷器组耦合系统力学分析模型，准确分析其力学行为和性能，对指导钻井作业安全进行具有重要意义。目前大多只关注于对隔水管的独立建模而忽视防喷器组的潜在影响，这将导致所建立的模型与实际情况存在差异，使得隔水管系统的力学特性无法得到精确分析。本文提出了隔水管与防喷器组刚柔耦合概念，推导耦合系统动能、势能，采用拉格朗日方法建立理论模型，用Newmark-β直接积分法对动力学模型进行数值计算。采用ADAMS软件建立了仿真建模，开展不同工况条件下的动态响应对比分析。结果表明，理论模型得到的隔水管横向位移包络线和弯矩包络线、隔水管中部节点横向位移时程曲线和底部弯矩时程曲线与ADAMS仿真结果吻合良好，从而表明了本文理论模型的重要性，可为我国隔水管的设计和分析提供参考和支持。

Abstract

In the process of deepwater drilling, the riser and blowout preventer system are an essential part of the entire operation process. Due to many risks involved in the operation process, therefore, establishing an accurate mechanical analysis model of the coupling system between riser and BOPs, accurately analyzing its mechanical behavior and performance, is of great significance for guiding the safety of drilling operations. At present, most people only focus on independent modeling of the riser and ignore the potential impact of the blowout preventer group, which will lead to differences between the established model and the actual situation, and making it difficult to accurately analyze the mechanical properties of the riser system. This paper puts forward the rigid-flexible coupling concept of riser and BOPs, derives the kinetic energy and potential energy of the coupling system, establishes the theoretical model by Lagrange method, and uses Newmark- β Perform numerical calculations on the dynamic model using the direct integration method. A simulation modeling was established using ADAMS software to conduct comparative analysis of dynamic response under different operating conditions. The results indicate that the lateral displacement envelope and bending moment envelope of the riser obtained from the theoretical model in this paper, as well as the lateral displacement time history curve and bottom bending moment time history curve of the middle node of the riser, are in good agreement with the ADAMS simulation results, indicating the importance of the theoretical model in this paper, which can provide reference and support for the design and analysis of risers in China.

导出引用

畅元江，王仕超,李健，刘秀全. 深水隔水管-防喷器组耦合系统动力学建模与仿真验证[J]. 振动与冲击, 2024, 43(11): 1-8

CHANG Yuanjiang, WANG Shichao, LI Jian, LIU Xiuquan. Dynamic modeling and simulation verification of deepwater riser-BOP stack coupled system[J]. Journal of Vibration and Shock, 2024, 43(11): 1-8

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