Oil & gas · Not seen recently

Methane emitter IRN_S_203

Gas disposal facility in Iran. Satellites have detected 8 methane plumes here since 23 Mar 2024, most recently on 9 Nov 2025.

Plumes

Plumes, last 12 months

7,050 kg/h

Largest detected rate

877 kg/h

Typical (median) rate

Satellite map of methane plume locations in IRN_S_203 — Map imagery © Mapbox © OpenStreetMap © MaxarOpen the interactive map →

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Who likely operates it

National Iranian South Oil Company Plausible

Parent company: National Iranian Oil Company

Evidence

NISOC, a NIOC subsidiary, operates the Khuzestan onshore fields (Ahvaz, Marun, Aghajari, Gachsaran).

Other candidates

National Iranian Oil Company Plausible
National Iranian Gas Company Weak (context only)

What do confidence levels mean?

Write to the operator

Response so far

Source type: Gas disposal facility
UNEP notified: No
Operator responded to UNEP: Not applicable
First seen: 23 Mar 2024
Last seen: 9 Nov 2025
Coordinates: 30.12237, 50.47792 · Open in Google Maps (satellite)

Plume history

Emission rate of each detected plume over time

Detected	Emission rate	Likely operator
9 Nov 2025Oil & gas	7,050 kg/h	National Iranian South Oil Company Plausible	View
12 Oct 2024Oil & gas	895 kg/h	National Iranian South Oil Company Plausible	View
25 Sep 2024Oil & gas	859 kg/h	National Iranian South Oil Company Plausible	View
11 Sep 2024Oil & gas	573 kg/h	National Iranian South Oil Company Plausible	View
21 Aug 2024Oil & gas	637 kg/h	National Iranian South Oil Company Plausible	View
19 Apr 2024Oil & gas	481 kg/h	National Iranian South Oil Company Plausible	View
27 Mar 2024Oil & gas	2,451 kg/h	National Iranian South Oil Company Plausible	View
23 Mar 2024Oil & gas	1,646 kg/h	National Iranian South Oil Company Plausible	View

Authorities you can notify

Department of Environment

Is this attribution wrong?

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