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Sonangol · Angola ·

Sonangol drives Block 3/05 output with drilling, overhaul

Score: 66 · 2026-09-01

Sonangol Exploração & Produção (SNL E&P) is advancing a package of strategic projects at Block 3/05 aimed at increasing productive capacity, improving asset reliability, and extending the operational life of existing installations. The programme centres on three headline initiatives: drilling of well PAC-416, a gas turbine overhaul on the TGC unit, and a revamping campaign in the COBO sector.

Block 3/05 is one of Angola's mature offshore producing assets, and the concurrent scope of work signals that SNL E&P is pursuing both near-term production uplift and longer-range asset-life extension rather than a single-point intervention. The PAC-416 well represents the drilling component of this effort, while the TGC gas turbine overhaul addresses power-generation reliability — a critical dependency for sustained production on offshore facilities. The COBO sector revamp rounds out the campaign by targeting process and infrastructure upgrades within that part of the block.

Taken together, the three workstreams reflect a deliberate strategy by Sonangol to extract greater value from an established producing block through targeted capital investment rather than greenfield development. This approach is consistent with a broader Sonangol mandate to stabilise and grow Angola's hydrocarbon output, which has faced long-term production decline. Extending asset life on proven blocks like 3/05 offers a faster route to barrels than frontier exploration, and the combination of drilling, rotating-equipment overhaul, and process revamping covers the main levers available to operators in mature field management.

No contract values, water-depth classifications, production targets, or completion timelines were disclosed in the source material. The identity of existing service contractors on the block was not stated. The article does not specify whether these projects are already under execution or at planning and procurement stage.

Why this matters to partners and clients of Saga

The three concurrent workstreams — well drilling, gas turbine overhaul, and a sector revamp — each represent discrete service procurement events that Norwegian well-services, rotating-equipment, and brownfield engineering companies should monitor closely. Because no contracts have been announced and no tenders or EOIs are referenced, the appropriate posture at this stage is monitoring and relationship-building with SNL E&P's Block 3/05 asset team and Sonangol's procurement function. Partners with Angola track records and existing Sonangol frame agreements are best positioned to engage early as scope definition matures.

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