{
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      "title" : "The collection document"
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      "title" : "This document as JSON"
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  "LayerId" : 254,
  "LayerName" : "Wellbore - History",
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    "wlbNpdidWellbore" : 345,
    "wlbName" : "24/9-2",
    "wlbHistory" : "\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 24/9-2 was drilled in the Vana\r\nSub-basin in the Southern Viking Graben of the North Sea. The well was located\r\nto test Danian and Early Paleocene sands. Dip closure at this level was\r\nenhanced by a seismic anomaly of a "build-up" shape within the\r\nMiddle-Late Paleocene Heimdal sands.\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 24/9-2 was spudded with the\r\nsemi-submersible installation Borgny Dolphin on 13 June 1977 and drilled to TD\r\nat 2743 m in the Late Cretaceous Tor Formation. A total of 9.8 days was lost on\r\nvarious mechanical hole problems during. The well was drilled with seawater and\r\ngel down to 1554 m and with lignosulphonate / CMC / gel / seawater from 1554 m\r\nto TD.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eThe well penetrated a gross interval of\r\n439 m of Paleocene sands. No sands were found in the Danian, which was of a\r\nmarl and limestone lithology. Hydrocarbons in commercial quantities were not\r\nencountered. While drilling the gas detector showed two slight increases, one\r\nwithin the Late Paleocene (a thin intra-Sele Formation sandstone) and one\r\nwithin the Early Paleocene Sand. Fluorescence was observed in the samples from\r\nthe Late Paleocene Sand. Log analysis proved a 3-meter hydrocarbon bearing interval\r\nin the Late Paleocene sand between 2101.5 and 2104.5 metres, and sidewall cores\r\nproved the presence of oil in this interval.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eNo cores were cut, and no wire line fluid\r\nsamples were taken.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eThe well was permanently abandoned on 22\r\nJuly 1977 as a well with shows.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cb\u003e\u003cspan lang=EN-GB\u003eTesting\u003c/span\u003e\u003c/b\u003e\u003cspan lang=EN-GB\u003e \u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eNo drill stem test was performed.\u003c/span\u003e\u003c/p\u003e\r\n\r\n",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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}