What Consents Required for Geological and Seismic Surveys
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Consent to Survey required for: Seismic survey; high resolution seismic site survey; borehole seismic; shallow drilling; and gravity/magnetic survey. |
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Notification of Survey only required for new pipeline or cable route survey, seabed survey not around existing installation or pipeline; and all surveys near to or near a “relevant site” under the Regulations |
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No Action required for inspection, repair and maintenance survey; surveys of existing pipelines or installations; pre/post lay survey environmental survey. |
What Consents Required for Geological and Seismic Surveys
Key Compliance During Seismic Survey
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At least 30 minutes before commencement of operation, make visual check for presence of marine mammals within 500 m of vessel. Hydrophones may also be used particularly in poor visibility. |
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If marine mammals are present, the start of the survey should be delayed until they have moved away. Allow at least 20 minutes from the last sighting before commencing operations. |
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Where equipment allows, build power up slowly from a low energy start allowing 20 minutes for marine mammals to move well out of range. Where seals are congregated around a platform, start survey at least 500 m away. |
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Use lowest practicable power levels throughout survey. |