{
  "type" : "Feature",
  "links" : [
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      "rel" : "collection",
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      "title" : "The collection document"
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      "type" : "application/geo+json",
      "title" : "This document as JSON"
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  "LayerId" : 254,
  "LayerName" : "Wellbore - History",
  "id" : "263",
  "properties" : {
    "OBJECTID" : 263,
    "wlbNpdidWellbore" : 268,
    "wlbName" : "2/7-9",
    "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 2/7-9 is located in the Ål Basin south\r\nof the Eldfisk structure in the southern North Sea. The main purpose of the\r\nwell was to test Danian -Cretaceous limestone and Jurassic sandstone on a\r\nnorth-south trending anticline 6 - 8 km south of Eldfisk, where these intervals\r\nhad proven commercial oil in several wells.\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\u003eAppraisal well 2/7-9 was spudded with the\r\njack-up installation Zapata Nordic on 25 December 1973 and drilled to TD 4448 m\r\nin Devonian sediments. \u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eAppraisal well 2/7-9 was spudded with the jack-up installation Zapata Nordic on 25 December 1973 and drilled to TD 4448 m in Devonian sediments.\r\nThe Danian Limestone (Ekofisk Formation) came in at 3086 m. It was expected to be 90 m thick while 77 m was found.\r\nThe Late Cretaceous Chalk (Cromer Knoll Group) was anticipated to be 695 m thick, but a greater thickness of 800 m was found.\r\nGood shows were seen in both intervals, but no hydrocarbons were produced when tested.\r\nSands initially dated Late Jurassic were encountered at 4313 m and proved to be hydrocarbon bearing with a 111 m pay section with average porosity of 13% and 55% oil saturation.\r\nA clear OWC was found at 4424 m.These sands have later been interpreted as of Devonian age.\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 10\r\nApril 1974.\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\u003eThree drill stem tests were conducted in\r\nthe well.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eDST 1 tested the interval 4313 to 4356 m\r\nin the Devonian sandstone",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
  }
}