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  "LayerName" : "Wellbore - History",
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    "OBJECTID" : 980,
    "wlbNpdidWellbore" : 3015,
    "wlbName" : "7228/7-1 S",
    "wlbHistory" : "\u003cp\u003e\u003cb\u003eGeneral\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWell 7228/7-1S is\r\nsituated in the Nordkapp basin. The Nordkapp basin is the most pronounced\r\nstructural element east of Loppa High, with a basinal-axis oriented NE-SW. From\r\ntop Cretaceous and down to TD of the well the sediments are steeply dipping due\r\nto salt diapirism, with the salt diapir located SE of the surface location. The\r\nmain objective of well 7228/7-1S was to test the hydrocarbon potential of the\r\nUpper Triassic Snadd Formation sandstones. Secondary objectives were to test\r\nthe hydrocarbon potential in Early to Middle Jurassic sandstones, the Stø,\r\nNordmela and Tubåen Formations, and the Middle Triassic Kobbe Formation\r\nsandstones. The well path is deviated and designed to penetrate below the salt\r\ndiapir. \u003c/p\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eOperations and results\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWildcat well was\r\nspudded on 5 December 2000 with the semi-submersible installation \"Transocean\r\nArctic\" and drilled to a TD of 2087 m in Early Permian sediments. No shallow\r\ngas was expected, but since this was a new area a 9 7/8\" pilot hole was\r\ndrilled. No shallow gas was observed by the ROV. Tracks 7228/7-1 S and 7228/7-1\r\nS T2 were both finished in the Hekkingen Formation due to hole problems in the\r\n17 1/2\" section. The 7228/7-1 S track was drilled with sea water and\r\nhi-vis bentonite pills down to 372 m, with sea water / hi-vis pills /\r\npolymer-treated bentonite mud from 372 m to 507 m, with NaCl / Polymer from 507\r\nm to 709 m, and with sea water from 709 m to 1362 m. The 7228/7-1 S T2 track\r\nwas kicked of 7228/7-1 S at 1332 m and\r\ndrilled to 1348 m with a NaCl / sea water / polymer / glycol system. Track 7228/7-1 S T3 was kicked of from below the 20\" casing shoe in 7228/7-1 S\r\nand drilled with \"Glydril\" mud (KCl / Polymer / glycol) from 530 m to TD. The\r\nobserved formation tops were encountered shallower than prognosed, outside the\r\nuncertainty range. The deviation from prognosed depths increased with depth,\r\nfrom 79.0 m for the Cretaceous Knurr Formation to 229.5 m for the Triassic\r\nSnadd Formation. The Fuglen",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
  }
}