ZITN Permanent Distributed Temperature Sensing System (DTS) is a revolutionary temperature monitoring solution. It utilizes the entire optical fiber as a sensing nerve, enabling long-distance, spatially continuous temperature profiling.
ZITN Permanent Distributed Temperature Sensing System (DTS) boasts inherent advantages such as immunity to electromagnetic interference and corrosion resistance. It delivers stable, reliable, and spatially continuous temperature data 24/7.With capabilities for remote configuration and automatic data upload, ZITN DAS system enables unattended operation in extreme environments, perfectly meeting the long-term monitoring demands of fields like oil well logging.
Specification Parameters
|
Model |
Permanent Distributed Temperature Sensing System (DTS) |
|
Optical Fiber Type |
62.5/125μm or 50/125μm Multimode Optical Fiber |
|
Maximum Temperature Accuracy |
±0.1℃ |
|
Temperature Resolution |
≤0.01℃ |
|
Spatial Resolution |
≤1m |
|
Sampling Resolution |
≤0.4m |
|
Measurement Distance |
≥10km |
Application
|
Category |
Well Types Included |
Key Logging Challenges |
DTS Solution |
|
Conventional Production |
Flowing high-production oil wells, Artificial lift wells |
Temperature sensitivity (wax deposition), phase monitoring, production contribution evaluation (flowing); Equipment interference, difficult dynamic monitoring (artificial lift) |
1. Full-well temperature monitoring (anti-waxing, fluid entry) 2. Production profiling & fluid identification |
|
Unconventional Gas (CBM) |
CBM dewatering wells, CBM horizontal wells |
Dewatering and gas production monitoring, heterogeneity, long horizontal section, fracturing evaluation, pump interference |
1. Gas/water production point monitoring 2. Horizontal section contribution evaluation |
|
Unconventional Gas (Shale/Tight Gas) |
Shale gas horizontal wells, Natural gas horizontal wells, Complex natural gas wells |
Ultra-long horizontal section gas production profile, multi-stage fracturing evaluation, multiphase flow, well interference, flowback monitoring |
1. Gas production profiling & flowback monitoring |
|
Injection Wells |
Water injection wells, CO₂ injection wells, Other injection wells |
Injection profile, fluid front channeling, phase change (CO₂), corrosion, leakage |
1. High-precision injection profiling (channeling, phase change, leakage) |
|
Gas Storage Wells (Injection/ Production) |
Gas storage injection/production wells |
Injection & production profile, caprock seal integrity, dynamic capacity, wellbore integrity, gas-water contact, strain/stress |
1. Injection/production profiling 2. Caprock & wellbore leakage monitoring |
Product features
Distributed High-Precision Measurement
Captures temperature at every point along the entire fiber optic cable with an accuracy of ±0.1°C.
Long-Range Coverage
A single system supports measurements up to 10 km, significantly reducing cost per kilometer.
Automated Data Management
Automatically uploads data to customer cloud platforms via internal/external networks, supporting multiple formats like CSV and TXT.
Rugged & Reliable Design
Engineered for 24/7 continuous operation with high reliability. The standard protective housing allows for direct outdoor deployment.
True Unmanned Operation
Enables remote control, data processing, and troubleshooting, ensuring full "unmanned" functionality.
Inherently Robust Sensing Medium
The optical fiber is naturally immune to electromagnetic interference and corrosion, making it ideal for harsh and complex environments.
Case Study
20+ Well Projects | 1160+ Days Continuous Operation | 100% Fault-Free Record
As of August 2025, the ZITN Permanent Distributed Temperature Sensing System (DTS) has achieved stable monitoring for over 100 days in more than 20 well projects.
Among them, the Hainan X well has been operating uninterrupted for over 1160 days since its commissioning in June 2022. This undeniable performance validates its extreme reliability, making it your trusted partner for long-term monitoring.
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