Category: SEISMIC SURVEY
One hydrocarbon prospecting method is seismic surveying. An explosion is created using an air gun, and the reflected vibrations are analyzed to form a model of subsurface rock layers.
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Seismic survey by M/V Ramform Tethys near Angola; maintain safe distance.
M/V RAMFORM TETHYS conducting seismic surveys in Angola from Dec 14. Maintain 6NM berth astern, 3NM abeam. Monitoring VHF. Read more
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Seismic survey by M/V RAMFORM HYPERION underway; maintain clearances.
M/V Ramform Hyperion conducting seismic surveys near Namibia; vessels requested to maintain specified clearances. Read more
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Seismic survey in Gulf of Guinea, request wide berth: Jan-Mar 2025.
Ghana seismic survey from Jan 11 to Mar 15, 2025. M/V Duchess towing cables; please maintain a 3-mile distance. Cancel Mar 25. Read more
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Seismic survey near Ghana; 3-mile clearance requested until March 25.
Seismic survey in Gulf of Guinea, Ghana (Jan 11 – Mar 15, 2025). Maintain a 3-mile distance; cancel msg Mar 25. Read more
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Seismic survey in Gulf of Guinea from Jan to Mar 2025; keep distance.
Seismic survey off Ghana from Jan 11 to Mar 15, 2025. M/V Duchess towing 12 cables; keep 3 miles distance. Msg expires Mar 16. Read more
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Seismic survey by M/V Ramform Hyperion in South Atlantic, clearance requested.
M/V RAMFORM HYPERION is conducting seismic surveys near Namibia. Vessels should maintain a 3 NM clearance ahead and 7 NM behind. Read more
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Seismic survey in Gulf of Guinea, January to March 2025; maintain distance.
Seismic survey by M/V Duchess in Ghana, Jan 11-Mar 15. Request 3-mile berth ahead, 6 miles astern. Cancel Mar 25. Read more
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Seismic survey scheduled south of Ponta Negra, January 20-27, 2025.
NAVAREA Warning 0037/25: Seismic survey by Siem Dorado South of Ponta Negra from Jan 20-27, 2025, in specified coordinates. Read more
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Seismic survey in Gulf of Guinea; request for wide berth.
Notice: Seismic survey by M/V Duchess from Jan 11 to Mar 15, 2025. Keep a 3-mile distance; cancel notice after Mar 16. Read more
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Seismic survey scheduled east of Macaé from January 13-27, 2025.
NAVAREA Warning 0030/25: Seismic survey east of Macaé, 13-27 Jan 25. Cancel NAVAREA 0020/25. Read more
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Seismic survey scheduled east of Macae from January 23 to February 3.
NAVAREA 0045/25: Seismic survey east of Macaé, 23 Jan-3 Feb by PGS Apollo, towing 12 cables in specified area. Read more
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Seismic survey scheduled east of Macae from January 23 to March 3.
Seismic survey by PGS Apollo in Macae area from Jan 23 to Mar 3, 2025; 6 cables towed. See chart 21070 (INT 2008). Read more
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Seismic survey from January 22-29 east of Lagoa Mirim.
NAVAREA WARNING 0039/25: Seismic survey east of Lagoa Mirim, Jan 22-29, 2025. Towing 10 cables, area specified. Read more
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Survey operations in Gulf of Mexico from Dec 13 to Feb 5.
Survey operations in Gulf of Mexico from Dec 13 to Feb 5 by M/V REM Saltire, M/V Subsea Responder IV, M/V Sanco Sword. Read more
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Seismic survey by M/V Ramform Tethys near Angola starting December 14.
M/V Ramform Tethys is conducting seismic surveys near Angola starting Dec 14, 2024, requesting a 6NM berth. Read more
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Seismic survey by M/V Ramform Hyperion off Namibia; maintain clearance.
Seismic survey by M/V Ramform Hyperion in South Atlantic near Namibia. Avoid 3 NM ahead/abeam, 7 NM astern. Read more
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Seismic survey in Gulf of Guinea, January to March 2025; keep distance.
Seismic survey by M/V Duchess in Gulf of Guinea from Jan 11 to Mar 15, 2025. Keep a 3-mile distance; cancels Mar 16. Read more
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Seismic survey scheduled south of Ponta Negra, January 20-27, 2025.
NAVAREA WARNING 0037/25: Seismic survey by Siem Dorado from Jan 20-27, 2025, south of Ponta Negra, Chart 21070. Read more
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Survey operations in Gulf of Mexico from Dec 13 to Feb 5.
Survey ops by M/V Rem Saltire, Subsea Responder IV, and Sanco Sword in Gulf of Mexico, 13 Dec-5 Feb. Wide berth requested. Read more
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Survey operations in Gulf of Mexico from December to February; keep distance.
Survey operations in the Gulf of Mexico from Dec 13 to Feb 5; vessels M/V Rem Saltire, M/V Subsea Responder IV, and M/V Sanco Sword involved. Read more