Spills
Atchafalaya bay, louisiana
Shell Pipeline; Atchafalaya Bay, Louisiana · NOAAORR-7420
- issued
- 1999-07-23 00:00Z
- status
- cancelled 1999-08-06 00:00Z
- self-cancels
- 1999-08-06 00:00Z
- authority
- NOAA OR&R
- sea
- Gulf of Mexico
- position
- 28.433, -91.033
- vessel
- DRILLING RIG SET UP
- source
- incidentnews · first seen 2026-09-03 15:09Z
Original warning text
Shell Pipeline; Atchafalaya Bay, Louisiana. Atchafalaya Bay, Louisiana. 1. At 1000 on Friday 23 July, the NOAA SSC was notified of spill in the Gulf of Mexico. The incident occurred when a jack-up drilling rig set up on top of a Shell Oil pipeline at location 28?26.4N/91?02.4W in Block 241 of the Ship Shoal Block. This location is approximately 30 miles offshore and SSE of Atchafalaya Bay in Louisiana. The oil is a light condensate with an API of 35 and the amount spilled is potentially 3700 barrels. A slick of 2 miles by 4 miles has been observed in the vicinity of the incident. USCG district 8. Keyword: none. 2. COMMODITY: LIGHT CONDENSATE WITH AN API OF 35. MAXIMUM POTENTIAL RELEASE: 155000 GALLONS. 3. POSITION 28.433N 091.033W. NOAA INCIDENTNEWS 7420: https://incidentnews.noaa.gov/incident/7420
This area · spills & pollution incidents
1154 within 180 nm since 1970 · 38 in the last 12 months · 2 in force now
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- Crude oil spill and in-situ burn at tpic; south pass 24, pilottown, louisiana2026-08-26
- Intermittent oil sheen; flower garden banks national marine sanctuary, bright bank2026-08-25
- Mystery sheen at south pass 29; port eads, louisiana2026-08-13
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- Mystery oiled shoreline at holly beach; cameron parish, louisiana2026-07-10
- Johnson bayou, la2026-06-17
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Nearby now · within 120 nm
- Survey operations in progress until 15 sep by M/V island pride, M/V sanco swift and M/V olympic artemis in…Surveys · 84.6 nm
- Crude oil spill and in-situ burn at tpic; south pass 24, pilottown, louisianaSpills · 99.9 nm
- Uscg remote communication facility new orleans 29-53.00N 089-57.00W mf and hf dsc off airNav aids · 103.9 nm
Worldwide now
8 spills & pollution incidents in force · see all
Spills
Oil and chemical spills, groundings and vessel casualties with a pollution threat: NOAA IncidentNews responses since 1957, and spill-response areas broadcast as navigational warnings. All current spills & pollution incidents →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.