Anzon: Basker-Manta Development Making Good Progress

Ocean Patriot
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Reporting on the status of its Basker-Manta project in Australia's Gippsland Basin, Beach Petroleum said the Ocean Patriot semisub has run the completion equipment and perforated selected zones in the final three development wells: Basker-3, Basker-4, and Basker-5.

Basker-4 has now been flowed to clean up the well bore, with positive results. The well has been designed to act either as an oil producer or a gas injection well. The lower section well flowed at an average rate of 6120 BOPD with an average wellhead pressure of 1778 psig at a choke setting of 48/64th, average gas-oil ratio at separator conditions of 1116 scf/Bbl, and no water. Flow rates were constrained by the testing facilities on the rig.

The upper section of the well, which will be used for gas injection initially, was tested at an average rate of 22.6 million standard cubic feet a day for a period of 4 hours with an average wellhead pressure of 2841 psig and a choke of 48/64th. The peak rate was 29.1 million standard cubic feet a day. The average condensate rate was 1359 BOPD (60 Bbls/mmscf) together with an average of 289 BPD of water (as expected).

The oil and gas production rates were as good or better than forecast, confirming the productivity of the reservoirs.

The drilling unit will now move sequentially to Basker-3 and Basker-5 for similar clean up flow periods prior to suspension awaiting the return of the FPSO Crystal Ocean in September this year.

The participants in the Basker-Manta Joint Venture are Anzon Australia Limited as operator with 50% and Beach Petroleum Limited with 50%.

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