Invictus' Mukuyu-1 well in Zimbabwe confirms working hydrocarbon system
Australia’s Invictus Energy on November 10 said its Mukuyu-1 well in Zimbabwe’s Cabora Bassa basin has confirmed working hydrocarbon system.
“Early indications in our Upper Angwa primary target are highly encouraging and have proven a conventional working hydrocarbon system in the Cabora Bassa basin, which is an exciting development validating our subsurface model,” said managing director Scott Macmillan.
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Macmillan said that the company still has several hundred metres of drilling through the primary targets with additional potential, which will be followed by a comprehensive wireline logging programme to evaluate results, “with the aim of confirming the presence of moveable hydrocarbons in multiple zones”.
Elevated mud gas peaks of up to 65 times above the background gas baseline have been observed while drilling to 3070mMD (metres measured depth), alongside marked increases in C1 to C5 compounds (methane, ethane, propane, butanes and pentanes).
An initial 100% fluorescence was also observed in a downhole cuttings sample of sandstone, indicating the presence of condensate or light oil when placed under ultraviolet light.
Mukuyu-1 is targeting 20 trillion ft3 of gas and 845mn barrels of conventional gas condensate or about 4.3bn barrels of oil equivalent on a gross mean unrisked basis, Invictus said.
Invictus in August raised A$25mn ($16.2mn) via a private placement to fund the initial drilling campaign in the Cabora Bassa basin. The company has previously said it remains open to strategic partnering opportunities in the future that could add value for shareholders as it continues to progress the development of the Cabora Bassa project.