Energy Exchange

Three key questions for EU policymakers considering the sustainability of gas

In response to DG Energy’s invitation that the European gas industry investigate the ways it can contribute to the reduction of methane, a powerful climate pollutant, two prominent trade groups issued a new report to inform policy discussions around the 2020 gas package – also touted as the decarbonisation package – ahead of the 32nd Madrid Forum in Spain this week.

At nearly 150 pages, the Gas Infrastructure Europe (GIE) and Marcogaz report is a substantial review of best practices for reducing oil and gas methane emissions. For all of its heft, however, the report does little to spell out any relevant policy recommendations to improve the industry’s overall efficiency, skirting its responsibility to advise the Commission on methane policy when it is such a pressing sustainability question to answer in the Union Methane Strategy before the end of 2019.

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Industry’s shift on methane must continue

Put aside any notion that oil and gas industry leaders might be growing less focused about methane. Whether motivated by economics or pressure from major investors, the overwhelming impression we’ve had at major industry gatherings this year has been just how deeply methane emissions have permeated the conversation.

At some moments, this year’s CERAWeek felt as much like a climate conference as an oil and gas convention.

That’s not to say the problem is solved, or that our work is anywhere near done. To the contrary, the shift is a reflection of how much more lies ahead now that the issue has been firmly established. What is clear, however, is the widespread recognition that how companies handle methane is a core business challenge that will help shape the gas industry’s prospects in a decarbonizing energy landscape.

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The Oil & Gas Methane Partnership is a valuable forum for companies aiming to earn public trust

Once considered a niche environmental concern, methane emissions have emerged as a strategic issue for oil and gas companies around the world. The reason is simple: methane emissions from human activities account for over one quarter of our planetary warming today, and the global oil and gas industry is responsible for nearly 30% of this.

Voluntary methane mitigation efforts by industry are necessary but not sufficient to fully address the scale of the problem. Government and civil society must also be engaged. At present the only global forum where industry, government and civil society come together on the issue is the Oil & Gas Methane Partnership (OGMP), an UN-backed initiative that provides companies a platform through which to report their methane emissions and credibly share their actions and results with the public.

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Does new NOAA study really show that methane emissions have been overestimated? No.

By David Lyon and Stefan Schwietzke

A new study published this week in the journal Geophysical Research Letters sheds useful light on some of the technical challenges involved in understanding past trends in methane emissions, but the reporting by industry groups and some media outlets describes conclusions that are at odds with what the researchers themselves actually found.

Led by scientists at the National Oceanic and Atmospheric Administration (NOAA), the paper itself represents a solid analysis. But some of the secondary interpretations of the work have been vastly over-simplified, downplaying or papering over the substantial emissions increases reported by the authors.

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Scientists identify opportunities to better understand oilfield wastewater

By Cloelle Danforth and Nichole Saunders

Collaborative research is a critical element for identifying unforeseen risks associated with using the oil industry’s wastewater outside the oilfield. That’s the recommendation of a new peer-reviewed paper accepted this week in the Journal of Integrated Environmental Assessment and Management (IEAM).

The paper comes at a crucial moment for the oil and gas industry, which generates some 900 billion gallons of salty, chemical-filled water (also called produced water) each year. Traditionally, companies dispose of this wastewater deep underground where it is less likely to cause contamination. But economics and water scarcity are forcing questions about other ways to treat, reuse and even repurpose this wastewater. In fact, the Environmental Protection Agency (EPA) will release a report very soon that could make it more common for companies to discharge their wastewater into rivers and streams.

The IEAM paper outlines the conclusions of a multi-day toxicity workshop where experts from the oil and gas industry, academia, government and the environmental community collectively identified key knowledge gaps associated with this waste stream and determined tools, technologies and methods needed to help close those gaps.

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New Mexico’s million-ton methane problem

By Jon Goldstein and David Lyon

You can’t see what you don’t look for. That axiom is at the heart of the problem with the Environmental Protection Agency’s (EPA) methane emission estimates. It is also why a new analysis based on empirical data and cutting-edge science finds a far larger methane emissions problem in New Mexico than previously thought.

EPA estimates emissions based on data reported by oil and gas operators and a set of assumptions about leak rates called “emission factors.” EDF and our research partners decided to take a closer look at emissions in New Mexico, conducting direct measurements at well facilities and applying the latest science to understand leaks in the supply chain.

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