{
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      "rel" : "collection",
      "type" : "application/geo+json",
      "title" : "The collection document"
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    {
      "href" : "https://factmaps.sodir.no/api/rest/services/Factmaps/FactMapsWGS84/OGCFeatureServer/collections/254/items/193?f=json",
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      "title" : "This document as JSON"
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  "LayerId" : 254,
  "LayerName" : "Wellbore - History",
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    "wlbNpdidWellbore" : 197,
    "wlbName" : "15/6-1",
    "wlbHistory" : "\u003cp\u003e\u003cb\u003eGeneral\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWell 15/6-1 is located ca 5 km north of\r\nthe Sleipner Field. The primary objective of the well was Eocene sands.\u003c/p\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eOperations and results\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWell 15/6-1 was spudded with the drill\r\nvessel Glomar Grand Isle on 7 August 1971and drilled to TD at 1679 m in Eocene\r\nsediments of the Hordaland Group. Initial drilling from the sea floor to 384 m was\r\nwith sea water and gel. Below 384 m to a depth of 1247 m the mud system\r\nconsisted of sea water and Spersene XP-20 Salinex with drilling detergent. From\r\n1247 m to TD a fresh water Spersene XP-20 system was used. Due to problems with\r\nthe casing seal assembly the well was abandoned without reaching its target.\r\nThe vessel vas moved approximately 335 m east and a replacement hole (15/6-2) was\r\ndrilled.\u003c/p\u003e\r\n\r\n\u003cp\u003eThe only reservoir penetrated was a thick\r\nMiocene sand section (the Utsira Formation) between 768 and 996 m. No hydrocarbon\r\nshows were encountered.\u003c/p\u003e\r\n\r\n\u003cp\u003eNo cores were cut and no wire line fluid\r\nsamples were taken.\u003c/p\u003e\r\n\r\n\u003cp\u003eThe well was permanently abandoned on 8 September 1971 as a junk 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",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
  }
}