{
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      "type" : "application/geo+json",
      "title" : "The collection document"
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    {
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      "title" : "This document as JSON"
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  "LayerId" : 254,
  "LayerName" : "Wellbore - History",
  "id" : "804",
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    "OBJECTID" : 804,
    "wlbNpdidWellbore" : 1921,
    "wlbName" : "25/11-17",
    "wlbHistory" : "\u003cp\u003e\u003cb\u003eGeneral\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWell 25/11-17 is\r\nlocated south of the Balder / Grane area. The objective of the well was to test\r\nthe hydrocarbon potential of sands of both Jurassic and Paleocene age. The\r\nlocation was chosen such that it left minimum reserves up dip in the Jurassic\r\nprospect while simultaneously penetrating the Paleocene prospect above the\r\nexpected regional oil water contact. \u003c/p\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eOperations and results\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eExploration well 25/11-17 was\r\nspudded with the semi-submersible installation "West Delta" on 1\r\nMarch 1993 drilled to a total depth of 2256 m, 13 m into metamorphic basement.\r\nThe well was drilled water based with spud mud down to 1413 m and with KCl /\r\nPolymer from 1413 m to TD. \u003c/p\u003e\r\n\r\n\u003cp\u003eReservoir sands were\r\nencountered in the Balder Formation from 1590 m to 1646 m but no shows were seen\r\nand the reservoir proved to be water bearing. Reservoir sands were also\r\nencountered in the Statfjord Formation from 1998 m to 2038 m but again no shows\r\nwere seen and the reservoir proved to be water bearing. Overlaying the basement\r\nthe well penetrated a 10 m thick layer of regolith (weathered rock). Seven\r\nconventional cores were cut from 1625.5 m to 1759.6 m, starting in the middle\r\nof the Balder Formation, continuing through the Sele, Lista and Våle Formations\r\nand ending in the Tor Formation. An eighth core was cut from 2018 m to 2037 m\r\nin the lower part of the Statfjord Formation and into the regolith layer, and a\r\nfinal ninth core was cut at TD in the metamorphic basement from 2248 m to 2256\r\nm. No fluid samples were taken. The well was permanently abandoned as a dry\r\nwell on 22 March 1993.\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\r\nwas performed.\u003c/p\u003e\r\n\r\n",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
  }
}