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Tullow Finds Oil in North Sea Sto Formation Test

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Tullow Finds Oil in North Sea Sto Formation Test

Tullow Oil plc has announced that the Wisting Central II long reach horizontal well (7324/7-3S) has successfully explored and appraised the Wisting South & Wisting West segments of the field including a production test in the Stø formation.

The well was drilled approximately 5 kilometres south-west of the Wisting discovery well in the Barents Sea.

Results of drilling, wireline logs and samples of reservoir fluids show that the well has encountered an oil column of 22 metres in a 1,402 metres horizontal section with 1,250 metres of net light oil pay.

The main reservoir encountered was thicker than expected pre-drill. A constrained production test was carried out in the Stø Formation with a flow rate of approximately 5,000 boepd which demonstrated excellent reservoir properties. The well…

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