Design of a Fiber Optic Based Wellhead Perimeter Monitoring System
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The advent of Digital Oil Fields (DOF), Data Analytics and Artificial Intelligence has led
to an increase in the number of instruments installed at wellheads and also an increase
in the reliance on these instruments and the data they provide for the operation of the
field. The critical nature of this equipment and their roles in the operation of the oil field
has also led to the need for a system of remote monitoring of these wellheads to enable
the detection of third-party intrusion (TPI) at the wellhead area with the provision of
video feedback on demand. The most popular security scheme currently deployed at
securing these wellheads is the use of metal cages of different sizes, but the location of
these wellheads provides vandals with ample time to cut through the metal cages as
there is no means of detecting their presence. This system utilizes a fiber optic cable
and cameras to provide intruder detection and identification. It transmits the signals
wirelessly through the remote telemetry units at the wellhead. The fiber optic cable is
buried around the wellhead, and the flowlines from the wellhead and a wireless
transmitter are coupled to the fiber optic cable. The distributed acoustic system of the
optic fiber is used to detect the presence of third-party interference at the wellhead
locations, and the camera is activated by the system whenever TPI is detected around
the wellhead area. The system provides both video feedback and color-coded alerts at
the remote monitoring centers to indicate the location of the intruders and the intrusion
activity around the wellhead area.
Keywords
QA75 Electronic computers. Computer science, TK Electrical engineering. Electronics Nuclear engineering