微结构光纤分布式传感技术实现油井压裂监测

doi:10.3969/j.issn.0255-8297.2022.02.002

应用科学学报 ›› 2022, Vol. 40 ›› Issue (2): 190-203.doi: 10.3969/j.issn.0255-8297.2022.02.002

• 通信工程 • 上一篇

微结构光纤分布式传感技术实现油井压裂监测

刘帅¹, 汪志¹, 王爱清², 李士建¹, 屠东升², 郑羽³, 努尔买买提·吾买尔江¹

1. 新疆油田分公司工程技术研究院, 新疆克拉玛依 834000;
2. 北京知觉科技有限公司, 北京 100085;
3. 艾菲博(宁波)光电科技有限责任公司, 浙江宁波 316048

收稿日期:2021-09-09 发布日期:2022-04-01
通信作者: 刘帅，工程师，研究方向为油气田开发井下光纤测试技术。E-mail： liushuai7401@126.com E-mail:liushuai7401@126.com
基金资助:
中石油股份公司重大专项（No.2018CGCG006）资助

Fracturing Monitoring of Oil-Wells Using Microstructured Optical Fiber Based Distributed Sensing

LIU Shuai¹, WANG Zhi¹, WANG Aiqing², LI Shijian¹, TU Dongsheng², ZHENG Yu³, NUERMAIMAITI·Wumaierjiang¹

1. Engineering Technology Research Institute of Xinjiang Oilfield Company, Karamay 834000, Xinjiang, China;
2. Beijing Perception Technology Co. Ltd., Beijing 100085, China;
3. IFiber (Ningbo) Optoelectronics Technology Co. Ltd., Ningbo 316048, Zhejiang, China

Received:2021-09-09 Published:2022-04-01

摘要/Abstract

摘要： 提出了一种使用聚酰亚胺涂敷、低羟基高纯石英玻璃微结构的散射增强型微结构光纤，用于监测和评估油井开采中水力压裂技术的过程与效果，该光纤对高温、高湿度、富氢环境有较好的耐受力。通过分布式传感系统测量了该光纤的散射增强效果，当光纤损耗为3 dB/km时，测量精度可以提高2~5倍，在实际油井压裂监测中，微结构光纤分布式传感系统数据结果显示，可以对压裂效果实现监测并进一步指导压裂和暂堵工作。

关键词: 微结构光纤, 分布式传感, 散射增强, 油井压裂监测

Abstract: This paper presents several high-temperature resistance polyimide coated microstructured optical fibers, with enhanced scatterings benefited from the specially designed fiber structures. Beyond that, these fibers also possess high resistance to humidity and a long lifetime in hydrogen-rich environments. Using one of these fibers, we study the scattering enhancement in a distributed sensor system. When the fiber loss is 3 dB/km, the measurement accuracy can be effectively improved by 2~5 times. Further testing this system for fracturing monitoring in oil wells, the collected data from the sensing system prove that the underneath fracturing can be monitored and be further used for supervising fracturing and temporary plugging operations.

Key words: microstructured optical fiber, distributed sensing, scattering enhancement, oil-wells fracturing monitoring

中图分类号:

TE33+1

刘帅, 汪志, 王爱清, 李士建, 屠东升, 郑羽, 努尔买买提·吾买尔江. 微结构光纤分布式传感技术实现油井压裂监测[J]. 应用科学学报, 2022, 40(2): 190-203.

LIU Shuai, WANG Zhi, WANG Aiqing, LI Shijian, TU Dongsheng, ZHENG Yu, NUERMAIMAITI·Wumaierjiang. Fracturing Monitoring of Oil-Wells Using Microstructured Optical Fiber Based Distributed Sensing[J]. Journal of Applied Sciences, 2022, 40(2): 190-203.

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微结构光纤分布式传感技术实现油井压裂监测

Fracturing Monitoring of Oil-Wells Using Microstructured Optical Fiber Based Distributed Sensing

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