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[1]李 博 葛 斐 郭 宏 郭江艳 卢 靖 王松峰.基于仿真试验样本特征的脐带缆泄漏检测与定位方法[J].中国海上油气,2019,31(06):148-153.[doi:10.11935/j.issn.1673-1506.2019.06.020]
 LI Bo GE Fei GUO Hong GUO Jiangyan LU Jing WANG Songfeng.Method for detection and location of umbilical leakage based on the characteristics of simulation test sample[J].China Offshore Oil and Gas,2019,31(06):148-153.[doi:10.11935/j.issn.1673-1506.2019.06.020]
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基于仿真试验样本特征的脐带缆泄漏检测与定位方法()

《中国海上油气》[ISSN:1673-1506/CN:11-5339/TE]

卷:
第31卷
期数:
2019年06期
页码:
148-153
栏目:
海洋工程
出版日期:
2019-11-21

文章信息/Info

Title:
Method for detection and location of umbilical leakage based on the characteristics of simulation test sample
文章编号:
1673-1506(2019)06-0148-06
作者:
李 博1 葛 斐2 郭 宏3 郭江艳3 卢 靖2 王松峰2
(1. 中国海洋石油国际有限公司 北京 100027; 2. 北京力合大科科技有限公司 北京 100083; 3. 中海油研究总院有限责任公司 北京 100028)
Author(s):
LI Bo1 GE Fei2 GUO Hong3 GUO Jiangyan3 LU Jing2 WANG Songfeng2
(1. CNOOC International Limited, 100027, China; 2. Great Sim Technology Co., Ltd., Beijing 100083, China; 3. CNOOC Research Institute Co., Ltd., 100028, China)
关键词:
脐带缆泄漏 液控系统 仿真试验 测试样本 故障样本 检测与定位 流花4-1油田
Keywords:
umbilical leakage hydraulic control system simulation test test sample fault sample detection and location LH4-1 oilfield
分类号:
TE46
DOI:
10.11935/j.issn.1673-1506.2019.06.020
文献标志码:
A
摘要:
脐带缆内液体发生泄漏后,漏点的查找和定位一直是水下生产控制系统难以解决的技术难题。本文提出了针对脐带缆内液控管线发生单点泄漏的检测与定位方法,以流花4-1油田某水下高压液控系统为例,基于SimulationX仿真软件建立脐带缆高精度液控系统仿真模型,批量开展泄漏仿真试验,对每一泄漏样本提取脐带缆故障样本特征,构建泄漏故障样本特征库; 通过传感器监测脐带缆液控管线的压力信号,获取系统动态参量,提取信号特征得到测试样本; 通过构建数据模型对测试样本和故障样本进行特征对比,分析压力及其一阶导数分别作为特征量时的漏点定位准确性,实现对真实脐带缆单点泄漏的检测与定位。该方法已成功应用于流花4-1油田脐带缆泄漏的检测与定位,迅速锁定了水下漏点,缩小了ROV检查的范围,缩短了查漏的时间。本文研究成果为我国深水动态脐带缆的泄漏故障诊断提供了一种新的技术方案。
Abstract:
It has long been a challenge for the subsea production control system to seek and locate the leak point in case of leakage of liquid from umbilical. A method for detecting and locating the single point leakage of hydraulic control pipeline in umbilical was proposed. By taking a subsea high pressure hydraulic control system of LH4-1 oilfield as an example, a simulation model of umbilical high precision hydraulic control system was established based on SimulationX(a simulation software), and leakage simulation tests were carried out in batches. A leakage fault sample feature library was established by extracting umbilical fault sample characteristics of each leakage sample. The pressure signal of umbilical hydraulic control pipeline was monitored by the sensor so as to obtain the dynamic parameters of the system and then signal characteristics was extracted to obtain test samples. A data model was established to compare the characteristics of test samples and fault samples, and the accuracy of leak point locating was analyzed for cases where the pressure and its first derivative serve as characteristic quantity respectively, thus realizing the detection and location of single leak point on true umbilical. This method has been successfully applied in the detection and location of umbilical leakage in LH4-1 oilfield, which quickly located the subsea leakage point, narrowed the scope of ROV seeking and shortened the period of leakage detection. The research results of this paper can provide a new technical solution for the leakage diagnosis of deep-water dynamic umbilical in China.

参考文献/References:

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备注/Memo

备注/Memo:
*国家重点研发计划“新型功能用超深水复合脐带缆设计技术及软件开发(编号:2017YFC0307201)”部分研究成果。 第一作者简介: 李博,男,硕士,高级工程师,毕业于中国石油大学(华东)机械专业,主要从事海上油气开发、深水水下生产系统设计。地址:北京市东城区东直门外小街6号海油大厦(邮编:100027)。E-mail:libo8@cnooc.com.cn。 通信作者简介:葛斐,男,博士,高级工程师,毕业于中国科学院力学所固体力学专业,主要从事水下生产系统仿真研究。地址:北京市海淀区中关村东路18号(邮
更新日期/Last Update: 1900-01-01