Spills · oil

Mystery sheen reported, south timbalier block 22, port fourchon, la

NOAAORR-10640

issued: 2023-07-22 00:00Z
status: cancelled 2023-08-05 00:00Z
self-cancels: 2023-08-05 00:00Z
authority: NOAA OR&R
sea: Gulf of Mexico
position: 29.014, -90.207
source: incidentnews · first seen 2026-09-03 15:09Z

Original warning text

Mystery Sheen Reported, South Timbalier Block 22, Port Fourchon, LA.
Port Fourchon, LA, USA.
1. On July 22, 2023, a 5-mile long by 30-foot wide mystery sheen was reported in South Timbalier Block 22. No recoverable oil but a light sheen was observed. The sheen was reported to have naturally dissipated over time.
2. THREAT: OIL.
3. POSITION 29.014N 090.207W. NOAA INCIDENTNEWS 10640: https://incidentnews.noaa.gov/incident/10640

This area · spills & pollution incidents

1092 within 180 nm since 1970 · 37 in the last 12 months · 3 in force now

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Mystery sheen at south pass 29; port eads, louisiana2026-08-13
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Wcc oil spill, main pass 21; breton sound, louisiana2026-06-11

Season · when spills & pollution incidents happen here

month of issue, all years in the archive

Timeline · 7 messages since 2023-07-06 · closed 2023-08-14

Oil spill from flowline into delta national wildlife refuge, boothville-venice, la2023-07-06 → 2023-07-20
Sheen from offshore platform, west delta block 75, la2023-07-19 → 2023-08-02
Crude oil discharge into delta national wild refuge, pilottown, la2023-07-21 → 2023-08-04
On july 22, 2023, a compressor caught fire on a cox operating platform in viosca knoll2023-07-22 → 2023-08-05
Mystery sheen reported, south timbalier block 22, port fourchon, la this message2023-07-22 → 2023-08-05
Hole in flow line results in spill into open water, west delta block 29, la2023-07-25 → 2023-08-08
Port eads, la, USA2023-07-31 → 2023-08-14

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