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ARTICLE · 24 SEPTEMBER 2026

High Court Upholds TGS Orange Basin Seismic Survey Authorisation

Cliffe Dekker Hofmeyr
Cliffe Dekker Hofmeyr
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Cliffe Dekker Hofmeyr

Cliffe Dekker Hofmeyr

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The Western Cape High Court has dismissed a challenge to an environmental authorisation for seismic reconnaissance survey operations in the Orange Basin. The judgment examines whether decision-makers adequately considered environmental legislation, coastal management factors, and future oil and gas risks when granting approval for offshore exploration activities.

South AfricaEnvironment

On 13 August 2026, the Western Cape High Court (Court) dismissed a review application challenging the environmental authorisation (EA) granted to TGS Geophysical Company (UK)

At a glance

  • On 13 August 2026, the Western Cape High Court dismissed a review application challenging the environmental authorisation granted to TGS Geophysical Company (UK) Limited for a seismic reconnaissance survey in the Orange Basin.
  • The Court found that the applicants had not established a reviewable failure by the decision-makers to consider material information or relevant statutory considerations.
  • It also found that the post-authorisation submission of emergency plans did not render the environmental authorisation unlawful because the underlying risks, mitigation measures and required plan content had been addressed.

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