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How to Select Edge Technology for Oil & Gas Operations

Follow these tips for choosing the right edge device to help optimize real-time control, improve analytics and secure operations.

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We’re in the era of high-performance, intelligent electronic devices known as the edge. These ready-to-be-installed technologies perform advanced and sophisticated autonomous operations. The availability of edge solutions is ripe; many manufacturers and suppliers now include edge devices as a standard offering.

For the oil and gas industry, edge computing can provide real-time surveillance, control, automation, complex analytics and autonomy right at the wellbore, alongside production surface equipment, across long hydrocarbon pipelines, and in carbon capture injection wells, among other uses.

But the choices are immense. Major computer manufacturers are even offering advanced field computers as hardware ready to be programmed and installed on site.

Given this, a question arises: How do you select the appropriate edge device that best aligns with your requirements, budget and long-term vision?

Making the Choice Clearer

To make the selection process easier for you, here is a set of capabilities and features an edge device should comply with to be successful.

Hardware and Software: An edge device should offer a symbiotic combination of hardware and software, closely interlaced in providing a functional, safe and robust solution. Obtaining only hardware, selecting an operating system, and then building applications from there may be a long, tortuous and expensive process that requires resources and time.

Robust Hardware: Make sure the edge hardware you select can operate in harsh environments and over a wide operating range.

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Classic Process Controls, Advanced Analytics and Autonomy in a Single Device: Most edge offerings aren’t designed for real-time, deterministic control. Often, they rely on a separate PLC alongside the edge device.

For the best performance, look for a device that provides PLC IEC 61131 programming capabilities for fine-grained real-time surveillance and control, combined with analytical applications, and built using high-level languages integrated with the PLC engine.

Also, the real-time engine must be physically and logically detached from advanced applications, so if one component fails, the other continues to operate uninterrupted.

On-Board I/O: It should include I/O points: discrete, analog and control, including a few high-frequency scan rate I/O, suited for specific advanced applications.

Hardware Expandability: This includes external I/O — through remote I/O modules — and more data storage, using SD cards, for example.

Software Immutability: It should guarantee that critical software components — operating systems, drivers, libraries, applications — are protected and can’t be tampered with or modified.

Software Modularity: Software architecture should be highly modular, comprised of loosely coupled modules or containers that can be independently replaced or updated.

High Processing Capacity: Any edge device should provide enough computing power to run several advanced applications. It should be built around major programming frameworks and languages and accept add-on hardware co-processor modules, such as graphic processing units (GPUs) and tensor processing units (TPUs).

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Seamless Connectivity: Critical to usability, it will include several serial and network ports and wireless communication capabilities such as cellular (LTE/5G), wi-fi, and wireless I/O (LoRa, WirelessHART, others). Ideally, this kind of connectivity will be readily available to any application running on the edge device.

Major Communication Protocols: De facto standard protocols — both server and client — should be available, such as Modbus, OPC/UA and Ethernet/IP™.

Embedded User Visualization Capabilities: For plug-and-play capability, a quality edge device will be use- interface ready if local visualization is required using inexpensive screen hardware.

Remote Management: Edge devices securely configured from a remote site will give ultimate flexibility — including edge management, updates, patches, or new containerized applications — without interfering with ongoing edge operations.

Embedded Cybersecurity: For remote management, and in general, data security is paramount. Any operation inside the device or in any interaction with external systems must adhere to all principal cybersecurity standards and fully adopt Zero Trust Architecture (ZTA).

Accessible and Customizable Coding Capabilities: Finally, building and deploying your applications without intervention or effort from equipment suppliers will give you total flexibility. A software development kit (SDK) means anyone can build applications for deployment.

Make sure developers can use the full extent of existing advanced languages, software frameworks and complex libraries. This allows them to create new programs that can run in real time along with the rest of the edge components.

Your Unique Needs

This list isn’t exhaustive, but we’ve covered many essential considerations. The key takeaway is flexibility. With each operation comes nuanced demands, and you’ll need an edge controller that works with you.

There is a lot to consider. Getting it right will optimize performance, reliability and security now and into the future. While the market offers a range of options, choosing a device that meets the capabilities and features we’ve discussed will provide a valuable platform for moving your operation to the next level.

 

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Topics: The Journal Oil & Gas
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