Aminex and Solo Oil have announced positive results from the flow testing of the Ntorya-1 well in the Ruvuma Basin in southern Tanzania
The well flowed gas at a measured rate of 20.1 million cu/ft per day (equivalent to 3,350 bpd) through a one inch choke, with an estimated additional 140 bpd of 48 degrees API condensate.
Original reservoir pressure was indicated at 5,424 psi and only small quantities of formation water were produced.
The uppermost 3.5 m of the gross 25 m sand interval was perforated and the well was flowed on several choke sizes over extended intervals during the last four days with corresponding shut-in periods to acquire pressure build-up data.
Detailed analysis of the pressure data and samples gathered during the testing operation will be carried out in the coming weeks.
The successful testing will now be followed by a programme of seismic acquisition later in the year in order to gain a fuller understanding of the size of this discovery and to identify further drilling targets.
An independent reserves report on the Ruvuma PSA, commissioned in April following the discovery, is nearing completion and the findings of that report will be issued shortly.
Participants in the Ruvuma PSA are: Ndovu Resources Ltd (Aminex) 75 per cent (operator) and Solo Oil Plc 25 per cent.
"Today's test results clearly demonstrate the strong commercial potential of the Ntorya discovery,” said Aminex chief executive officer, Stuard Detmer.
“The presence of liquids with the gas is promising for future exploration in the Ruvuma block.”
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