7224/2-1

General

Well 7224/2-1 was drilled on the southwest part of the Bjarmeland Platform, between the Loppa High and the Norvarg 7225/3-1 discovery in the Barents Sea. The primary objective was to test the Kvalross prospect within clinoform facies of the Early Triassic Klappmyss Formation. The secondary objective was to test the Kvaltann prospect in Late Triassic channel sandstones.

Operations and results

Wildcat well 7224/2-1 was spudded with the semi-submersible installation Transocean Arctic on 11 January 2016 and drilled to TD at 2944 m in the Early Triassic Havert Formation. A 9 7/8" pilot hole section was drilled from the seabed at 439 m to 650 m. No shallow gas or water flow was observed. At 1820 m, severe mud losses to open hole were observed, and a total of 187 hr NPT was spent on the loss/gain situation before reaching section TD. The well was drilled with seawater and hi-vis pills down to 648 m and with Performadril mud from 648 m to TD.

The well penetrated a thin Quaternary section (17 m) and then approximately 200 m Cretaceous section before entering hot shales of the Jurassic Hekkingen Formation. The primary Klappmyss Formation target was found to contain abundant organic rich claystone but no reservoir. The secondary Snadd Formation target was also found to be dry, but came in as predicted with respect to quality reservoir sandstones. Hydrocarbon shows were recorded in thin Upper Kobbe Formation sandstones in the interval 1735 to 1808 m. Relatively high background gas readings were observed in Kobbe, Klappmyss and Havert formations.

No cores were cut. Two RCX fluid samples were taken at 702.5 m.

The well was permanently