Methane Leaks
Oil & gas · Not seen recently

Methane emitter CHN_S_041

Well head in China. Satellites have detected 2 methane plumes here since 4 Aug 2023, most recently on 2 Jan 2026.

2
Plumes
1
Plumes, last 12 months
1,031 kg/h
Largest detected rate
781 kg/h
Typical (median) rate
Satellite map of methane plume locations in CHN_S_041
Map imagery © Mapbox © OpenStreetMap © MaxarOpen the interactive map →
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Who likely operates it

PetroChina Plausible

Parent company: CNPC

Evidence

  • PetroChina's Qinghai Oilfield operates the Qaidam basin.

What do confidence levels mean?

Write to the operator

Response so far

Source type
Well head
UNEP notified
No
Operator responded to UNEP
Not applicable
First seen
4 Aug 2023
Last seen
2 Jan 2026
Coordinates
37.35628, 94.14614 · Open in Google Maps (satellite)

Plume history

2 Jan 2026: 531 kg/h4 Aug 2023: 1,031 kg/h 4 Aug 2023 2 Jan 2026 1,031 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
2 Jan 2026Oil & gas 531 kg/h PetroChina Plausible View
4 Aug 2023Oil & gas 1,031 kg/h PetroChina Plausible View

Authorities you can notify

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