隔水管尾流误差补偿技术研究
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1.湛江南海西部石油勘察设计有限公司 湛江 524000 2.西北工业大学航海学院 西安 710072

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TN606

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国家科技重大专项(2011ZX0502600106)资助


Research of error compensation for riser wake
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1. Survey&Design Company, CONHW, Zhanjiang 524000, China; 2. College of Marine engineering, Northwestern Polytechnical University, Xi’an 710072, China

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    摘要:

    深水隔水管是深水油气勘探开发不可或缺的重要武器,也是深水油气开发技术上要求最高、最具挑战性的部分。随着海洋石油不断向深水进军,深水隔水管的疲劳监测技术在预防隔水管事故方面起到重要的作用。然而,海洋流速是导致深水隔水管疲劳的重要原因之一,为了监测海洋流速常用的方法是对洋流进行原位监测。但是,该法存在一个缺陷:由于隔水管的动态响应,特别是尾流区的存在,使得海洋流速测量存在一定误差。本文根据隔水管尾流特征、流速测量原理以及作业环境特点,提出通过隔水管监测系统内的MEMS三轴加速度传感器和陀螺仪来补偿流速的新方法。

    Abstract:

    Deepwater riser is an important weapon for deepwater oil and gas exploration, and it is the most challenging part of deepwater oil and gas development technology. Along with the continuous development of the offshore oil, the fatigue monitoring technology of the deep water riser plays an important role in the prevention of the water pipe accidents. However, ocean current velocity is one of the important reasons leading to the fatigue of deep water. In order to monitor ocean velocity is commonly used in situ monitoring of ocean currents. However, there is a defect in this method: Because of the dynamic response of the riser, especially the existence of the wake region, there are some errors in the measurement of ocean current velocity. According to the characteristics of the wake flow, the flow velocity measurement principle and the operating environment characteristics of the pipe, a new method for compensating the velocity of the MEMS three axis accelerometer and gyroscope is proposed.

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邓欣,朱赛健,李保军,申晓红,王海燕.隔水管尾流误差补偿技术研究[J].国外电子测量技术,2016,35(8):42-44

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  • 在线发布日期: 2016-10-09
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