摘要
分布式温度传感(Distributed Temperature Sensing,DTS)技术是一种实时监测被测环境温度场的新型传感技术,较于传统的井温测量技术,具有无源工作、分布采集、布设简单等优势。煤层气井的开采对井下的剖面温度和产层流量都有着明确的计量需求。本文简要介绍DTS设备和产量解释的原理,结合DTS设备在国内某煤层气井的实际温度监测试验,验证了DTS在生产测井温度监测方面的可行性,并通过解释软件初步测算煤层气井产层流量。通过与传统的测试方式对比,目前分布式温度传感的测温精度和分辨率分别达到1℃和0.1℃,产层流量计算误差控制在大约3%的水平。
Distributed Temperature Sensing(DTS)technology is a new type of sensing technology that monitors the temperature field of the measured environment in real time.Compared with traditional well temperature measurement technology,it has the advantages of passive operation,distributed acquisition,and simple layout.The mining of coalbed methane wells has clear measurement requirements for downhole profile temperature and pay zone flow.This article briefly introduces the principle of DTS equipment and output interpretation,combined with the actual temperature monitoring test of DTS equipment in a domestic coal-bed methane well,verifies the feasibility of DTS in production logging temperature monitoring,and preliminarily calculates the gas well′s production flow through interpretation software.Through comparison with traditional testing methods,the current temperature measurement accuracy and resolution of distributed temperature sensors have reached 1℃and 0.1℃respectively,and the calculation error of the formation flow rate is controlled at about 3%.
作者
王刚
吕京生
刘金清
崔志勇
张峰
WANG Gang;LV Jing-sheng;LIU Jin-qing;CUI Zhi-yong;ZHANG Feng(Laser Institute,Qilu University of Technology(Shandong Academy of Sciences),Jinan 250103,China;Schoolof Optics and Photonics,Beijing Institute of Technology,Beijing 100081,China;China Oilfield Services Ltd.,Yanjiao 065201,China;Offshore Oil Engineering Co.,Ltd.,Tianjin 300461,China)
出处
《光电子．激光》
EI
CAS
CSCD
北大核心
2020年第12期1299-1305,共7页
Journal of Optoelectronics·Laser
基金
山东省泰山学者工程项目(tsqn20161061)
山东省重大科技创新工程项目(2019JZZY010113)
济南市创新团队项目(2019GXRC028)资助项目
关键词
温度监测
分布式光纤
DTS
流量产量
煤层气井测井
temperature monitoring
distributed optical fiber
DTS
flow rate and production
CBM well logging
作者简介
吕京生(1980-),男,山东省栖霞市人,在读博士研究生,副教授,硕士生导师,主要从事光纤传感技术方面的研究.
