North Sea Flaring Cut by 22% in One Year

Source: 3/10/2021, Location: Europe

Flaring in the North Seal fell by 22% in 2020 from the previous year as production facilities cut the overall volume to 33 billion cubic feet (bcf), a reduction which is roughly equivalent to the gas demand of 200,000 UK homes, and is the lowest level of flaring on the UK Continental Shelf (UKCS) on OGA records.

Flaring intensity, the measure of how much gas was flared per unit of oil produced, also decreased from 114 standard cubic feet of gas for every barrel of oil (scf/bbl) to 95 in 2020, a 10-year low. This measure has now fallen for three consectutive years from 128 in 2017.

The reductions follow increased focus by the OGA, which started benchmarking performance in 2020 and now also publishes data every month. The OGA issues the consents for flaring and venting of gas and is closely scrutinising requests from operators, in both existing production and new field development plans.

Reasons for the cut - which saw a year-on-year fall in every month - vary from field-to-field, but include increasing use of flare-reduction technology on some platforms and fewer planned shutdowns, making 2020 a particularly low flaring year. A flare gas recovery unit on one platform has cut out routine flaring and reduced the volume of flared gas by around 60% in a year.

In 2020, the industry’s trade association, the OGUK, published Pathway to a Net-Zero basin: Production Emissions Targets in which it set a target of halving all emissions by 2030, including from flaring and venting, and is releasing a Methane Action Plan later this year. In addition the Government’s Energy White Paper, published in December 2020, committed to the World Bank’s ‘Zero routine flaring by 2030’ initiative, and further pledged to work with regulators to eliminate the practice as soon as possible ahead of that date.

The OGA has revised its Strategy requiring industry to operate in a way consistent with net zero ambitions, lowering production emissions and making serious progress on the solutions that can contribute to the UK reaching net zero.

The OGA is also preparing to publish updated guidance for the industry later in the year, which will set out the revised regulatory approach to flaring and venting and changes to the consenting and reporting regime.

Vented gas offshore represents about 0.15% of total UK greenhouse gas emissions. Venting, which fell significantly from 2018 to 2019, was a more mixed picture in 2020. In 2020, 3.6 bcf of gases were vented, an increase of 0.42 bcf. Within that total, venting of methane – which has a high atmospheric warming potential – decreased by 0.07 bcf in 2020 to 0.79 bcf, but venting of CO2 (and other non-hydrocarbon gas) increased by 0.49 bcf to 2.8 bcf. The OGA is aware of the sources of this increase and is taking steps to address them at source, including with the relevant parties.

Hedvig Ljungerud, OGA Director of Strategy, said:
"While there is more work needed from industry and the OGA, the flaring figures in particular are encouraging and show that clear focus can make a significant impact.

The OGA is supporting and holding industry to account to reduce emissions and will soon be publishing net zero expectations, which set out how every stage of operations must demonstrate a commitment to reducing greenhouse gases. We will continue monitoring closely and reflect that in decision-making when operators apply for consents and authorisations for flaring and venting."

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