{
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  "LayerName" : "Wellbore - History",
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    "wlbNpdidWellbore" : 418,
    "wlbName" : "33/12-2",
    "wlbHistory" : "\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 33/12-2 was drilled in the Tampen\r\nSpur area as one of the first wells in the Statfjord Field area. Primary target\r\nof the well was the Early Jurassic Statfjord Group, which was known to be\r\nproductive in Brent Field located about 20 km to the southwest in the U.K.\r\noffshore. The Statfjord Formation was water wet in the 33/12-1 and 33/9-1\r\ntests. The 33/12-2 wildcat was located to encounter the Statfjord Formation\r\napproximately 200 m high to the 33/12-1 well. The Middle Jurassic Brent\r\nFormation was prognosed to be erosionally thin or absent. Triassic, Permian and\r\nDevonian reservoirs were secondary targets. Planned total depth was 4572 m\r\n(15000 ft.), believed to be sufficient to reach Devonian age rocks or\r\n"Petroleum Basement". The well was one of the three deep tests called\r\nfor by the License 037 work obligation. \u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eThe well is type well for the Alke and\r\nLunde formations of the Hegre Group and the Raude and Eiriksson formations of\r\nthe Statfjord Group. It is reference well for the Nansen Formation.\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 33/12-2 was spudded with the\r\nsemi-submersible installation Nordskald on 6 June 1974. \u00A0Drilling proceeded to 4354\r\nm in Early Triassic sediments of the Lomvi Formation. At this depth the drill\r\nstring twisted off leaving a fish with top at 4157 m. Attempts to remove the\r\nfish were unsuccessful so 4354 m became TD of the well. No wire line logs were\r\nrun below 4145 m. The well was drilled with water-based mud. Below 2716 m the\r\nmud contained from 2% to 8% oil.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eAs predicted, the Middle Jurassic Brent Group\r\nwas thin (17.5 m) and oil bearing (12 m net). Test data and log correlation\r\nindicated that the upper reservoir in the 33/12-2 well is a sectio",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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}