Real-Time Monitoring of Critical Well Barriers with the Roxar Downhole Wireless PT Sensor System

by | Mar 15, 2022 | Flow, Measurement Instrumentation

Michael Scott

Michael Scott

Product Manager, Roxar Downhole

Downhole environments are tricky to manage and monitor – and that’s putting it mildly.

Maximizing reservoir performance in the safest and most efficient way possible requires critical temperature and pressure data. In particular, visibility into well barrier integrity vastly improves risk management of your overall operation and can even extend production up-time over the lifetime of your well. To take on the challenge of real-time monitoring of subsea wells, we’ve built the RoxarTM Downhole Wireless PT Sensor System – a component of the Roxar downhole network of monitoring solutions. The system allows operators to continuously monitor annulus B temperature and pressure in subsea wells, improving safety and production as well as ensuring producers remain ahead of the curve on regulatory requirements and trends.

 An Easier Way to Verify Your Well Barriers

When one of our customers sought a solution to meet regulatory requirements necessitating well barrier verification in their gas-lifted wells, we jumped in to tackle the issue. Not only did we want to develop a tool to monitor and verify well barriers in the B annulus of a subsea well in real-time, but we also wanted to build a solution that is cost-effective and easy to install. We developed a system that provides real-time well barrier data from a place that simply couldn’t be accessed before.

National regulations recommend guidelines for how often you should test your well barriers. Producers worldwide need to verify their well integrity, but real-time downhole temperature and pressure tracking wasn’t practical before. The Roxar Downhole Wireless PT Sensor System is a module of the Roxar Integrated Downhole Network and connects to the same cable as the permanent downhole monitoring system. This makes integration, testing, and maintenance straightforward and economical. The entire network is a customizable, modular infrastructure designed to work with a variety of downhole instruments and devices.

More Control Over the Dynamic Downhole Environment

By continuously tracking the pressures and temperatures in the B annulus of your subsea wells, operators can be better aligned with industry environmental and safety standards and benefit from an early indication of any potential issues, allowing them to proactively assess well integrity. But those are risk-mitigating factors for what-if scenarios. What other benefits does this cutting-edge downhole wireless system provide?

Given the ability to monitor annulus B pressure under certain conditions, operators can now maintain production whilst developing cost-effective mitigating actions in response to potential well integrity issues.  By extending production uptime, operators can significantly increase the gains from each well and decrease day-to-day operating expenses. It also means less need for costly interventions, reducing your carbon footprint and making your operation more sustainable.

 Preparing for the Future of O&G

Adoption of advanced intelligent well monitoring systems is steadily increasing, but, perhaps, not quickly enough. In a 2020 study on the oil and gas industry, PwC found that 70% of O&G companies consider themselves stuck in the early stages of digital maturity, falling behind in the adoption of digitalization strategies that will improve resilience and shape the wellsite of the future. Our goal is to help our customers embrace new strategies based on accelerated levels of intelligence and data that, in years past, wasn’t available to the industry.

At Emerson, we love to make the previously unachievable achievable, especially when pioneering new digital measurement solutions. We know our customers care about sustainability and finding better ways to transform and evolve with changing times. The Roxar Downhole Wireless PT Sensor System is part of our range of downhole instruments driving the industry’s momentum into the digital future. To learn more about the Roxar Downhole Wireless PT Sensor System or our peerless Roxar Integrated Downhole Network complete solution, please visit us at Roxar Downhole Wireless Systems | Emerson US.


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The opinions expressed here are the personal opinions of the authors. Content published here is not read or approved by Emerson before it is posted and does not necessarily represent the views and opinions of Emerson.

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