Springfield reports good reservoir productivity from Afina offshore Ghana

The Afina discovery offshore Ghana confirmed good reservoir productivity from Cenomanian sandstones, and the presence of gas/condensate from Turonian reservoir

The results followed an appraisal well test activity by re-entry, as reported by Ghanaian company Springfield Exploration and Production Limited and its partners, Ghana National Petroleum Corporation (GNPC) and GNPC EXPLORCO. 

A drill stem test (DST) on the Cenomanian sandstone gave way to a maximum flow rate of 4500 barrels of oil per day confirming good reservoir productivity on the upper end of pre-test expectations, while indicating an estimated flow rate potential of up to 12,000 boepd from a mini-DST conducted on the Turonian sandstone.

Pressure transient analysis from this reservoir showed the pressures consistent with that collected in 2019, when the 1030m-deep Afina-1x was drilled to a total water depth of 4085 metres. 

Northern Ocean Limited-operated Deepsea Bollsta rig that was deployed for the campaign has been released post work completion. 

Considering well completion options

“We are extremely happy with the results of the appraisal programme which has further confirmed our understanding of our geological, geophysical, reservoir models and demonstrated our operational capacity. Afina-1x is a vertical well, we are confident that a horizontal well or other well completion options that maximise reservoir exposure in the fields would deliver much higher production rates. This provides an incredible platform for reaffirming commercial development options for the Cenomanian and Turonian reservoirs," said Kevin Okyere, chief executive officer of Springfield.