The Norwegian Petroleum Directorate announced Friday that Maersk Oil Norway AS has made a minor gas/condensate discovery near the Tyrihans field in the Norwegian Sea.
The primary exploration target for the well was to prove petroleum in Middle Jurassic reservoir rocks (the Garn formation) and the secondary target was to prove petroleum in Middle and Lower Jurassic reservoir rocks (Ile and Tilje formations). Wildcat well 6406/6-4 S encountered an 82 foot gas column in the Garn formation with 334 foot thick sandstone with good reservoir quality. The well also encountered 219 foot and 147 foot thick sandstones with good reservoir quality in the Ile and Tofte formations, respectively, but they were water-filled. The Tilje formation was also water-filled.
A preliminary estimate of the size of the discovery is between 52.97 million and 105.94 million cubic feet of recoverable oil equivalents. An assessment shows that the discovery is not profitable today. As a result, the well will now be permanently plugged and abandoned.
Well 6406/6-4 S, which was drilled by the Leiv Eiriksson (UDW semisub), is the first exploration well in production license 510.
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