Equinor Energy AS completed appraisal well (7324/7-4) on the Wisting discovery in the Barents Sea. The objective was to acquire data on the reservoir and cap rock for use in ongoing evaluation and development of the discovery (OGJ Online Dec. 2, 2019).
The well was drilled using the Deepsea Stavanger rig, 300 km north of Hammerfest in production license 537. It was drilled to a vertical depth of 870m subsea and was terminated in the Fruholmen formation in the Upper Triassic. Water depth at the site is 396 m.
Geological information
The Wisting discovery was proven in Middle Jurassic and Upper Triassic reservoir rocks in the Realgrunnen Subgroup in 2013. The discovery is being evaluated for development along with the Hanssen discovery in the same license.
Well 7324/7-4 encountered the reservoir in the Stø and Nordmela formations with a total of 39 m with good reservoir quality. Extensive data acquisition and sampling have been carried out. The licensees will conduct extensive analyses of the collected samples and data in order to determine their significance for Wisting development. The well has been permanently plugged.
Equinor Energy AS is operator of the license with 35% interest. Partners are Aker BP ASA (35%), Petoro AS (20%), and INPEX Idemitsu Norge AS (10%).