Released Well 6406/6-4 & 6-4 S

Exploration well on Tvillingen Sør, narrow NW-SE trending horst south of Grinda Graben with HPHT objectives in Garn/Ile (primary) and Tofte/ Tilje (secondary). Main hole junked after failure of 16" liner hanger. Later re-spud drilled with S-shaped trajectory. Encountered 25 m lean gas-condensate column in Garn at 3,965–3,990 m TVDSS gas-water contact, with lower Garn and deeper objectives water-wet with residual shows in Ile. MDT sample at 4,008 m with gas-condensate ratio 921 and 978 m3/m3. Under-filled structure with non-commercial reserves.