Lundin Norway has completed the drilling of appraisal well 16/1-27 located in production licence 338 on the Edvard Grieg oil field in the North Sea.
The company drilled the well nearly 3km south-west of the Edvard Grieg platform using Island Innovator drilling facility to a vertical depth of 2,229m below the sea surface, and terminated it in granitic basement.
Discovered in 2007, the field consists of cretaceous and jurassic/triassic reservoir rocks.
The drilling was aimed at identifying the scope of the field, its reservoir properties and total oil column in the southwestern part of the oil field.
The objective also included the optimisation of a drainage strategy to ensure the ideal placement of development wells in this area.
Edvard Grieg’s pre-drill resources estimation was 35 million standard cubic metres of recoverable oil equivalent.
Well 16/1-27 encountered a total oil column of 15m in cretaceous and triassic/jurassic sandstone with good reservoir quality.
The sandstone interval was 94m, an increase from the 38m expected before the well.
The oil/water contact was encountered 1948m below the sea surface, 9m deeper than the contact in the other part of the Edvard Grieg field.
Lundin has also collected extensive data and carried out sampling.
Initial calculations highlighted that the well results can lead to an increase of between 1.6 and 4.8 million standard cubic metres of recoverable oil in this part of the field.
With the drilling results, the company will be able to determine the final placement of production and water injection wells.
Well 16/1-27 represents the 11th exploration well in production licence 338 and the eighth exploration well on Edvard Grieg. It has now been permanently plugged and abandoned.
Image: Edvard Grieg platform. Photo: courtesy of Lundin Petroleum.