{
  "type" : "Feature",
  "links" : [
    {
      "href" : "https://factmaps.sodir.no/api/rest/services/Factmaps/FactMapsWGS84/OGCFeatureServer/collections/254/items?f=application%2fjson",
      "rel" : "collection",
      "type" : "application/geo+json",
      "title" : "The collection document"
    },
    {
      "href" : "https://factmaps.sodir.no/api/rest/services/Factmaps/FactMapsWGS84/OGCFeatureServer/collections/254/items/289?f=json",
      "rel" : "self",
      "type" : "application/geo+json",
      "title" : "This document as JSON"
    },
    {
      "href" : "https://factmaps.sodir.no/api/rest/services/Factmaps/FactMapsWGS84/OGCFeatureServer/collections/254/items/289?f=text/html",
      "rel" : "alternate",
      "type" : "text/html",
      "title" : "This document as text/html"
    },
    {
      "href" : "https://factmaps.sodir.no/api/rest/services/Factmaps/FactMapsWGS84/OGCFeatureServer/collections/254/items/289?f=application/geo+json",
      "rel" : "alternate",
      "type" : "application/geo+json",
      "title" : "This document as application/geo+json"
    }
  ],
  "LayerId" : 254,
  "LayerName" : "Wellbore - History",
  "id" : "289",
  "properties" : {
    "OBJECTID" : 289,
    "wlbNpdidWellbore" : 294,
    "wlbName" : "7/8-2",
    "wlbHistory" : "\u003cp\u003eThe 7/8-2 (Cero) well was drilled on a\r\ndomal structure approximately 6 km long by 6 km wide, situated on the Jæren\r\nHigh in the North Sea. It was estimated that at Paleocene depth there would be close\r\nto 40 square km of closure with 140 m of vertical relief and at Early\r\nCretaceous depth 27 square km of closure with 150 m of vertical relief. The\r\nprincipal objective horizons were Paleocene, Jurassic and Triassic sands with\r\nthe Danian-Cretaceous limestone as a possible secondary objective. \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 7/8-2 was spudded with the\r\nsemi-submersible installation Ocean Viking on 24 July 1973 and drilled to TD at 3006 m in anhydrite of the Zechstein Group. No significant problems are\r\nreported from the operations. \u003c/p\u003e\r\n\r\n\u003cp\u003eThe well had no hydrocarbons or shows of\r\nhydrocarbons. In the Paleocene no sand beds were developed, although sand was\r\npresent as a loose, unconsolidated constituent in most of the clays and shales.\r\nThe Danian and Late Cretaceous limestones were tight. The Late Cretaceous\r\nsection was 150 m thinner than anticipated due to erosion of the Coniacian to\r\nCenomanian formations at the base. The Jurassic succession was encountered at\r\n2808 m and top Triassic at 2883 m. Two Triassic sands were encountered at 2911\r\n- 2937 m and at 2972 - 2996 m. The Triassic section was thinner than expected,\r\nbeing truncated at 2996 by the Permian Zechstein Group.\u003c/p\u003e\r\n\r\n\u003cp\u003eNo cores were cut and no wire line fluid\r\nsamples were taken in the well.\u003c/p\u003e\r\n\r\n\u003cp\u003eThe well was permanently abandoned on 29 August 1973 as a dry well.\u003c/p\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eTesting\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eNo drill stem test was performed.\u003c/p\u003e\r\n\r\n",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
  }
}