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Oil & gas


Telemetry: present and future


To turn a profit in a modern oil and gas company, management teams need to consider a broader range of factors than ever before. In this article, Matthew Hawkridge, chief technology officer at Ovarro, a remote monitoring technology provider, explains how Remote Telemetry Units (RTU) can be used to meet growing demand in the oil and gas sector for information from the field.


the cost is no longer a viable business strategy. Companies must now manage reliability and downtime to minimise interruptions and increase efficiency. There is also a need to constantly


F


monitor the environmental impact of any operations and above all else, ensure the safety of staff and the general public. The most valuable tool


or modern oil and gas companies, the old method of increasing production whatever


in meeting this new range of key performance indicators (KPIs) is information; and the most appropriate device to collect and process this information is the RTU. For decades now, RTUs have been a


key component in the data chain from the I/O to the CEO. These devices have a longstanding track record of sitting on remote wellheads, pipelines and offshore platforms, collecting, storing and acting upon data, regardless of the surrounding environment. To date, most RTUs have been used


to collect and log operational data and perform local control. This very same device is also the ideal solution to collect and act upon the new wave of information that is needed for a modern, efficient and profitable organisation. The RTU is a field mount computer. It collects data locally, acts upon it immediately, reports data to the central supervisory control and data acquisition (SCADA) control room and maintains a local historical store as an additional backup. In remote locations, communications


may be slow, intermittent or unreliable. The RTU is the device at the edge, sitting between the control room and the field instruments, that provides a low latency response to changing site conditions as well as performing data filtering. The RTU ensures that only key,


The TBox Nano combines the logic and control capability of an RTU with the ultra-low power operation of a wireless data logger.


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critical information is passed via the narrow communications links, minimising data throughput but maximising information throughput. Within the downstream sector, refineries operate 24/7, which means


March 2021 Instrumentation Monthly


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