{
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  "LayerName" : "Wellbore - History",
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    "OBJECTID" : 677,
    "wlbNpdidWellbore" : 1460,
    "wlbName" : "7228/2-1 S",
    "wlbHistory" : "\r\n\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cb\u003e\u003cspan lang=EN-GB\u003eGeneral\u003c/span\u003e\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eWell 7228/2-1 S is located on the western\r\nmargin of the Nordkapp Basin close to the Nyslepp Fault Complex. It was\r\ndesigned to drill a large salt induced anticline that is bisected by a major\r\nnorth - south trending fault. Due to the large Triassic throw on the fault, the\r\nup-thrown and downthrown parts of the structure were thought to represent\r\nseparate prospects. The downthrown prospect seemed to have the thickest\r\naccumulation of Triassic Anisian/Early Ladinian deposits, and was the primary\r\nobjective of the well. Secondary objectives were other Middle/Upper Triassic\r\nand Jurassic sandstones. To be able to meet all obligations and at the same\r\ntime test the primary objective without leaving significant potential up-dip,\r\nthe well path was planned deviated at approximately 30 degrees in a\r\nnortheasterly direction along seismic line MN89-603. Several reflectors in the\r\ninterval 397 m to 593 m were thought to represent sand layers with possible\r\nshallow gas. The strongest amplitude anomaly was at 435 m. \u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cb\u003e\u003cspan lang=EN-GB\u003eOperations and results\u003c/span\u003e\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eWildcat well 7228/2-1 S was spudded with\r\nthe semi-submersible rig Ross Rig 21 August 1989 and drilled to TD at 4300 m in\r\nthe Early Triassic Havert Formation. The well was deviated from 1475 m. At 2902\r\nm the bottom hole assembly was lost in the hole, and the well had to be\r\nsidetracked from 2700 m. The well was drilled with seawater and hi-vis pills\r\ndown to 1013 m, with KCl / polymer from 1013 m to 2206 m, with lignosulphonate\r\nfrom 2206 m to 3663 m, and with KCl / polymer from 3663 m to TD. No shallow gas\r\nwas encountered in the well.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eReservoir quality sands were found in the\r\nJurassic and uppermost Triassic Stø, Nordmela, Tubåen, Fruholmen, and Snadd\r\nformations. Of these the Nordmela and Tubåen sands had the best ",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
  }
}