Interventions improve oil performance at block 3/05 wells offshore Angola

Sonangol continues a widespread light well intervention (LWI) program on its fields in Block 3/05 offshore Angola, partner Afentra said in a results update.

The campaign is designed to improve the reliability of the facilities and optimize oil production, which averaged 22,701 bbl/d over the period to the end of June.

During that time, the 15 completed LWIs led to 2,500 bbl/d higher production, with a next wave of up to 20 LWIs starting in mid-year.

In parallel, an upgrade program to the water injection systems is intended to sustain higher water injection rates on a consistent basis, and improve upon the peak injection rate of about 60,000 bwi/d that was achieved in April.

The water injection and power systems will be two of the focus areas for tomorrow’s comprehensive shutdown, along with the installation of new gas flare meters.

Otherwise, the partnership is developing plans for further workovers and electric submersible pump installations in late 2025, also choosing potential drilling prospects for the years ahead.

In offshore Block 3/05A, an extended production test on the Gazela field will help define the  long-term resource potential of this and other fields and a future development strategy, Afentra said.

Work is also underway to assess ways of managing associated gas.