The Rimu-A1 well in south-eastern Taranaki was discovered in 1999. This was an exploration well (known as a wildcat). One of the benefits of drilling in Taranaki is that many of the rock layers beneath the surface are potential oil and gas reservoirs. This means drillers can have more than one bite at the cherry. The Rimu-A1 well found some hydrocarbons in sandstone (at 3,596 metres and 4,111 metres) and limestone (at 4,210 metres). At a depth of around 5,000 metres the well flowed and produced 1,500 barrels of oil per day and 4.8 million cubic feet of gas – a successful strike.
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