Methane Leaks
Oil & gas · Undetermined

Methane emitter CHN_S_250

O&G facility (generic) in China. Satellites have detected 3 methane plumes here since 25 Apr 2023, most recently on 3 Aug 2025.

3
Plumes
0
Plumes, last 12 months
2,058 kg/h
Largest detected rate
1,813 kg/h
Typical (median) rate
Satellite map of methane plume locations in CHN_S_250
Map imagery © Mapbox © OpenStreetMap © MaxarOpen the interactive map →
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Who likely operates it

We don't have enough evidence to name an operator for this site yet. If you know who runs it, tell us below.

Other candidates

  • PetroChina Weak (context only)

What do confidence levels mean?

Write to the operator

Response so far

Source type
O&G facility (generic)
UNEP notified
Yes
Operator responded to UNEP
No
First seen
25 Apr 2023
Last seen
3 Aug 2025
Coordinates
35.88138, 108.1778 · Open in Google Maps (satellite)

Plume history

3 Aug 2025: 2,058 kg/h10 Jun 2024: 1,813 kg/h25 Apr 2023: 1,647 kg/h 25 Apr 2023 3 Aug 2025 2,058 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
3 Aug 2025Oil & gas 2,058 kg/h Not yet attributed View
10 Jun 2024Oil & gas 1,813 kg/h Not yet attributed View
25 Apr 2023Oil & gas 1,647 kg/h Not yet attributed View

Authorities you can notify

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