Methane Leaks
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Oil & gas · Not seen recently

Methane emitter DZA_S_248

Well head in Algeria. Satellites have detected 14 methane plumes here since 29 Aug 2025, most recently on 26 Sep 2025.

14
Plumes
11
Plumes, last 12 months
38,638 kg/h
Largest detected rate
24,102 kg/h
Typical (median) rate
Satellite map of methane plume locations in DZA_S_248
Map imagery © Mapbox © OpenStreetMap © MaxarOpen the interactive map →
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Who likely operates it

Sonatrach Plausible

Evidence

  • State company Sonatrach operates or co-operates nearly all Algerian fields and pipelines.

What do confidence levels mean?

Write to the operator

Response so far

Source type
Well head
UNEP notified
Yes
Operator responded to UNEP
No
First seen
29 Aug 2025
Last seen
26 Sep 2025
Coordinates
28.92241, 9.03788 · Open in Google Maps (satellite)

Plume history

26 Sep 2025: 36,910 kg/h22 Sep 2025: 11,474 kg/h21 Sep 2025: 34,979 kg/h18 Sep 2025: 33,760 kg/h16 Sep 2025: 38,638 kg/h15 Sep 2025: 13,226 kg/h14 Sep 2025: 9,476 kg/h7 Sep 2025: 34,926 kg/h6 Sep 2025: 34,815 kg/h30 Aug 2025: 14,443 kg/h29 Aug 2025: 13,645 kg/h29 Aug 2025: 13,893 kg/h 29 Aug 2025 26 Sep 2025 38,638 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
26 Sep 2025Oil & gas 36,910 kg/h Sonatrach Plausible View
22 Sep 2025Oil & gas 11,474 kg/h Sonatrach Plausible View
21 Sep 2025Oil & gas 34,979 kg/h Sonatrach Plausible View
18 Sep 2025Oil & gas 33,760 kg/h Sonatrach Plausible View
16 Sep 2025Oil & gas — Sonatrach Plausible View
16 Sep 2025Oil & gas — Sonatrach Plausible View
16 Sep 2025Oil & gas 38,638 kg/h Sonatrach Plausible View
15 Sep 2025Oil & gas 13,226 kg/h Sonatrach Plausible View
14 Sep 2025Oil & gas 9,476 kg/h Sonatrach Plausible View
7 Sep 2025Oil & gas 34,926 kg/h Sonatrach Plausible View
6 Sep 2025Oil & gas 34,815 kg/h Sonatrach Plausible View
30 Aug 2025Oil & gas 14,443 kg/h Sonatrach Plausible View
29 Aug 2025Oil & gas 13,645 kg/h Sonatrach Plausible View
29 Aug 2025Oil & gas 13,893 kg/h Sonatrach Plausible View

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