Distributed Optical Fiber Vibration Monitoring System (gDAS-S300)
The distributed optical fiber vibration monitoring system sends pulse light to the optical fiber installed in the well and detects the Rayleigh backscattering signal at the same time. When
Product Introduction
Features and Benefits
Heterodyne phase principle based on Rayleigh scattering
Uses phase demodulation and Fourier Transform
Provides continuous detection and event location with a minimum spatial resolution of 1 meter
Gauge length options available
Detection of acoustic frequencies ranging from 1 Hz to 20,000 Hz
Single-port single-mode fiber configuration, up to 10 km well depth
Can be used in combination with distributed temperature sensing systems and other downhole tools
gDAS-S300 Performance Specifications | |
Measurement data | Whole wellbore seismic waveform or vibration profile |
Laser source | Laser Class 1 Certification IEC/EN 60825-1:2014 |
EMC Directive 2004/108/EC | |
Low Voltage Directive 2006/95/EC | |
Measurement parameters | Original measurement type: vibration strain |
Working principle: coupling phase measurement | |
Operating wavelength: 1550 nm | |
Measured length: 10 km | |
Output space interval: 2,5,10 m | |
Gauge length: 5,10,20,30,40m | |
Output time interval: 0.1, 0.25, 0.5, 1, 2 ms | |
Low frequency limit: 1 Hz | |
High frequency limit: 20 K Hz | |
Address：7 / F, Building 9, Wanfeng Coast Building, No. 2, Fengshan West Road, Wanfeng Community, Xinqiao Str
Phone : 0755-23592964
Mailbox: info@szgxhj.com
Guoxing Huijin All rights reserved
Guoxing Huijin All rights reserved