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 Duchess in Gulf of Guinea, Jan-Mar 2025.
Seismic survey by M/V Duchess in Gulf of Guinea from Jan 11 to Mar 15, 2025. Request 3 miles ahead/abeam, 6 miles astern. Read more
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Seismic survey in Gulf of Guinea, January to March 2025.
Seismic survey in Gulf of Guinea (Ghana) from Jan 11 to Mar 15, 2025. Keep 3 miles ahead, 6 miles behind, and 3 miles aside. Read more
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Seismic survey east of Macae, January 13-27, 2025.
NAVAREA Warning 0030/25: Seismic survey east of Macaé, 13-27 Jan 25, by PGS Apollo, towing 12 cables. Cancel 0020/25. Read more
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Seismic survey scheduled east of Macae, January 8-20, 2025.
NAVAREA Warning 0020/25: Seismic survey east of Macaé, 08-20 Jan 25. Towing 6 cables. Cancel warnings 0018/25 and 0019/25. Read more
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Seismic survey scheduled east of Lagoa Mirim, January 22-29, 2025.
NAVAREA Warning 0039/25: Seismic survey east of Lagoa Mirim from Jan 22-29, 2025, by SW Empress, towing 10 cables. Read more
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Survey operations in Gulf of Mexico from December to February; wide berth requested.
Survey ops from 13 Dec to 5 Feb 25 in Gulf of Mexico by M/V Rem Saltire, M/V Subsea Responder IV, and M/V Sanco Sword. Wide berth requested. Read more
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Seismic survey operations by M/V Ramform Tethys in Angola starting December 14.
Starting Dec 14, M/V Ramform Tethys conducts seismic surveys in the South Atlantic near Angola. Maintain distance requested. Read more
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Seismic survey operations by M/V RAMFORM HYPERION in South Atlantic.
Seismic survey by M/V RAMFORM HYPERION in South Atlantic near Namibia, 3 NM ahead/abeam, 7 NM astern clearance requested. Read more
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Seismic survey scheduled south of Ponta Negra, Jan 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 scheduled north of Salinopolis, January 6-20, 2025.
NAVAREA Warning 0013/25: Seismic survey north of Salinopolis, 06-20 Jan 25, by multiple vessels, 12 cables, 10,000m towed. Read more
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Seismic survey south of Rio de Janeiro from January 13-20.
NAVAREA WARNING 0026/25: Seismic survey by Siem Dorado, Jan 13-20, 2025, south of Rio de Janeiro. Chart 21070 (INT 2008). Read more
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Seismic survey by SW Duchess, Dec 24 to Jun 25.
NAVAREA Warning 0519/24: Seismic survey by SW Duchess from Dec 13, 2024, to Jun 13, 2025, in specified area. Read more
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Survey operations in Gulf of Mexico from Dec 13 to Feb 5.
Survey ops from M/V REM SALTIRE, M/V SUBSEA RESPONDER IV, M/V SANCO SWORD in Gulf of Mexico, Dec 13-Feb 5. Wide berth! Read more
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M/V Ramform Tethys conducting seismic survey in South Atlantic Ocean.
M/V Ramform Tethys is conducting a seismic survey near Angola, requesting a 6NM berth. Monitoring VHF Ch 67 and 16. Read more
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Seismic survey operations by M/V Ramform Hyperion in South Atlantic.
M/V Ramform Hyperion is conducting a seismic survey in the South Atlantic near Namibia; vessels should maintain specified clearances. Read more
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Seismic survey in Gulf of Guinea from Jan to Mar 2025.
Special ops seismic survey in Gulf of Guinea (11 Jan – 15 Mar 25). M/V Duchess towing cables; maintain a 3-mile berth. Read more
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Seismic survey from Dec 24 to Jun 25 southeast of Rio Grande.
NAVAREA Warning 0519/24: Seismic survey by SW Duchess from Dec 13, 2024 to Jun 13, 2025, towing 10 cables southeast of Rio Grande. Read more
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Seismic survey scheduled near Rio de Janeiro, January 13-20, 2025.
NAVAREA Warning 0026/25: Seismic survey by Siem Dorado from Jan 13-20, 2025, south of Rio de Janeiro, Chart 21070. Read more
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Seismic survey scheduled north of Salinopolis, January 6-20, 2025.
NAVAREA Warning 0013/25: Seismic survey by Ramform Atlas, Jan 6-20, 2025, towing 12 cables in specified coordinates. Read more
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Survey operations in Gulf of Mexico from Dec 13 to Feb 5.
Survey operations from Dec 13 to Feb 5 in Gulf of Mexico by three vessels. Request wide berth in specified area. Read more