PetroSA’s Offshore and Onshore Assets

PetroSA is the only offshore-producing operator in South Africa. It has been grappling with significant financial challenges, leading to a looming decommissioning crisis. RESL’s challenge was accelerating the company’s decommissioning planning in uncertain viability and an untested and evolving regulatory framework.

WHAT WE DID

RESL performed a five-year strategic decommissioning and well abandonment project from 2012 to 2016. The project included evaluating PetroSA’s entire offshore and onshore asset portfolio and developing 8 different Best Practical Environmental Option Assessments (BPEOA) and AACE Class 4 cost estimates for these assets:

  • 1 large onshore faculties (Oil, Gas and LNG)
  • 1 large platform
  • 1 semi-submersible with complex subsea gathering systems and drill centres
  • 8 subsea tieback systems
  • 28 infield pipelines
  • 2 trunklines
  • 287 subsea well P&A

The work also included developing new proposed well abandonment guidelines for South Africa, where RESL’s Gated Project Phases on Legal & Regulatory Framework and Identify & Appraise Opportunity were incorporated. We also conducted workshops and training for the local team and regulators.

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