Methane Leaks
Oil & gas · Undetermined

Methane emitter CHN_S_841

Well head in China. Satellites have detected 4 methane plumes here since 20 Oct 2023, most recently on 30 Mar 2026.

4
Plumes
1
Plumes, last 12 months
925 kg/h
Largest detected rate
568 kg/h
Typical (median) rate
Satellite map of methane plume locations in CHN_S_841
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
Well head
UNEP notified
Yes
Operator responded to UNEP
No
First seen
20 Oct 2023
Last seen
30 Mar 2026
Coordinates
45.57399, 85.24395 · Open in Google Maps (satellite)

Plume history

30 Mar 2026: 514 kg/h30 May 2025: 573 kg/h21 Apr 2024: 925 kg/h20 Oct 2023: 563 kg/h 20 Oct 2023 30 Mar 2026 925 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
30 Mar 2026Oil & gas 514 kg/h Not yet attributed View
30 May 2025Oil & gas 573 kg/h Not yet attributed View
21 Apr 2024Oil & gas 925 kg/h Not yet attributed View
20 Oct 2023Oil & gas 563 kg/h Not yet attributed View

Authorities you can notify

Is this attribution wrong?

If you operate this site, or know who does, tell us. Operators get a right of reply, and corrections are reviewed within a week.

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