{
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  "LayerId" : 254,
  "LayerName" : "Wellbore - History",
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    "wlbNpdidWellbore" : 310,
    "wlbName" : "15/3-2",
    "wlbHistory" : "\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 15/3-2 was drilled in the Vilje\r\nsub-basin structural element of the south Viking Graben of the North Sea. The\r\nobjectives of well 15/3-2 were all Jurassic sands. The well was planned in two\r\nphases. Phase 1 (15/3-2) was to be drilled with the Polyglomar Driller down to\r\ntop Jurassic. Phase 2 (15/3-2 R) was to be drilled with the Pentagone 84, a rig\r\nwith a 15.000 psi wellhead equipment, necessary for testing of the high-pressure\r\nJurassic reservoirs.\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 15/3-2 was spudded with the\r\nsemi-submersible installation Polyglomar Driller on 29 October 1976 and drilled\r\nto TD at 4258 m in the Late Jurassic Draupne Formation. When pulling out of the\r\nhole to set the 9 5/8" casing the drill string parted at 138 m, but was\r\nfished out. Otherwise, no significant technical problem occurred in the\r\noperations. The well was drilled with seawater and hi-vis pills down to 186 m,\r\nwith prehydrated bentonite in fresh water from 186 m to 784 m, with LFC/Dextrid\r\nmud from 784 m to 2875 m, and with LFC+LC in seawater from 2875 m to TD. Up to\r\n3% oil was added to the mud from 3953 m to TD.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eDown to 4236 m (Tertiary and Cretaceous\r\nsections) no significant shows were observed except in Coniacian and Turonian\r\nlimestones where some brown-yellow fluorescence was observed. Electric log\r\nanalysis did not indicate any hydrocarbon-bearing reservoirs in these\r\nlimestones. \u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eNo cores were cut and no wire line pressure\r\npoints or fluid samples were taken.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eA 9 5/8" casing was set at 4248 m\r\nand the well was suspended on 24 January 1977 for later re-entry and drilling\r\nand testing of",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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}