{
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      "rel" : "collection",
      "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",
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    "wlbNpdidWellbore" : 1907,
    "wlbName" : "25/11-14 SR",
    "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 25/11-14 SR re-entry was drilled\r\ncentrally on the Balder Field on the Utsira High in the North Sea. This field\r\nwas discovered in 1967 by the 25/11-1 well, and was the first well on the\r\nNorwegian shelf that proved oil. Primary well 25/11-14 S was planned to be\r\ncompleted for a long term test by the FPV Petrojarl 1. The well was planned\r\ndeviated with kick-off at 1060 m in order to avoid possible shallow gas at 235\r\nm, 254 m, and 515 m. The main objective of this well was to test two Paleocene Heimdal\r\nFormation sands; the IB4 sand at 1863 m and the IB3 sand at 1897 m. The Heimdal\r\nFormation had previously proved oil-bearing in the three neighbouring wells\r\n25/11-6, -7, and -8. Eocene sands constituted a secondary objective for testing.\r\nBased on data from surrounding wells, no abnormal pressure was expected. The\r\nsurface location and well trajectory for this well, was designed so that a\r\nlater plug-back and sidetrack to a horizontal completion could be accomplished.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eThe 25/11-14 SR re-entry was made to\r\nfulfil the primary objective of well 25/11-14 S, which was terminated too\r\nshallow and without logging and testing due to stuck pipe.\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 25/11-14 SR kicked off at 1571\r\nm in 25/11-14 S on 19 October 1990. It was drilled with the semi-submersible\r\ninstallation Byford Dolphin to final TD at 2081 m in sands of the Paleocene\r\nHeimdal Formation IB3 sand. After coring the IB3 sand the well was drilled a\r\nfurther 11 m but was TD'ed early as it encountered lost circulation problems\r\nbetween 2077 and 2081 m. It was decided at this point to run casing as quickly\r\nas possible to avoid further formation damage prior to the well's main\r\nobjective of the extended production test. The well was drilled with seawater\r\ndown",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
  }
}