{
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      "rel" : "collection",
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  "LayerId" : 254,
  "LayerName" : "Wellbore - History",
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    "wlbNpdidWellbore" : 1713,
    "wlbName" : "34/7-17",
    "wlbHistory" : "\r\n\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003e \u003c/span\u003e\u003c/p\u003e\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 34/7-17 is located on the Vigdis\r\nField on Tampen Spur in the Northern North Sea. It was drilled on the southern\r\nextension of the C-Plus prospect, on the eastern margin of a complete or non-truncated\r\nBrent Group sequence. Furthermore, the location is defined by the down dipping\r\ngeometry to the northwest, and the proximity to a major fault zone to the\r\nsouth. The primary purpose of the well was to test the reservoir quality and\r\nfluid contacts in the prospect. The sequence was drilled in a structural\r\nposition where a large range of oil-water contacts could be tested. A secondary\r\nobjective was to test the pressure regimes in the Jurassic sequence, including\r\npossible depletion associated with pressure communication, previously identified\r\nin the nearby Tordis Field.\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\u003eWell 34/7-17 was spudded with the semi-submersible\r\ninstallation Treasure Saga on 25 February 1991 and drilled to TD at 3115 m in\r\nthe Late Triassic Lunde Formation. Due to leaks in the riser the 26? section\r\nwas drilled riserless while the riser was sent onshore for repairs. First\r\nreturns to the rig floor was at 897 m. From the MWD logs possible shallow gas\r\nwas interpreted at 519 - 520, 576 - 576.5 and 692 -693 m, but flow checks\r\nperformed proved negative. The well was drilled with spud mud down to 897 m,\r\nand with KCl mud from 897 m to TD.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eIn the Nordland, Hordaland, Rogaland and\r\nShetland Groups, the well penetrated mainly claystones with minor sandstone\r\nintervals. Top of the Brent Group reservoir was reached at 2461 m (2458 m TVD),\r\nwhich was 38 m deeper than prognosed. The Jurassic section comprised a minor\r\ninterval of the Viking Group, and a complete section of the Middle Jurassic\r\nB",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
  }
}