3. Pressure Monitoring Using Fiber Optic Sensor For Oil Well Application

The fiber optic pressure sensor is interferometric based and it was developed for applications involving monitoring of soil pressure in oil well drilling applications. The system can be used both in the laboratory as well as in the field.

Fig.1 Principle of pressure measurement using DFOS

Fig.2 Sensor in the sand chamber to be tested under uniform pressure

Fig. 3 Pressure measurement result