The PEP38460 joint venture, in which NZOG holds a 12.5% equity, has also signed up with Diamond Offshore to use the semisub, Ocean Patriot, to drill the four production wells next year. This action has been taken ahead of the final investment decision because of the tight market for available rigs.
The venture has also secured an option to drill another three wells using the Ocean Patriot. It is likely that at least two wells will drill into Kapuni F Sand structures which lie close to the Tui development.
Contractor proposals for a floating storage and offloading ("FPSO") facility for the Tui fields will be evaluated by the venture operator next month. Engineering work is on schedule and capital costs are being refined to a tolerance of 15%. While not yet finalized, total costs are likely to be above the US$120-150m prior estimates, which reflect heavy demand for products and services in the industry.
Initial rates of oil production are expected to be 30,000+ barrels per day, which should result in rapid payback of the investment.
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