{
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  "LayerId" : 254,
  "LayerName" : "Wellbore - History",
  "id" : "830",
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    "OBJECTID" : 830,
    "wlbNpdidWellbore" : 2029,
    "wlbName" : "34/8-9 S",
    "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 34/8-9 S is located on the\r\nA-structure on the Visund Field. This is a NNE-SSW oriented elongated fault\r\nblock with the Pre-Cretaceous strata dipping towards WNW. The A-Central fault\r\ndivides the A-structure into the A-North and A-South compartments. Well 34/8-9\r\nS was drilled on the southern part of the A-South compartment. The primary\r\nobjective was to establish the inferred OWC at 3100m TVD and confirm the\r\npressure regime in the Statfjord and Amundsen Formations. The secondary objective\r\nwas to determine the hydrocarbon potential of the Cook Formation in the\r\nstructure. The well was designed deviated in order that both objectives could\r\nbe fully evaluated. Furthermore the spud location of the well was chosen so\r\nthat an optimal, up-dip, sidetrack could be drilled in order to appraise the\r\nLunde A-south gas condensate discovery.\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 34/8-9 S was spudded with\r\nthe semi-submersible installation West Delta on 25 October 1992. The first\r\n36" top hole was abandoned because after casing was set due to drill\r\nstring lost in hole. The rig was moved 28 m from first spud location and\r\nre-spudded. The rig downtime for this well amounted to 30% of the total rig\r\ntime. Most of this was drilling equipment repairs and fishing for equipment,\r\nbut no single event had any serious consequence for the personnel or the well\r\nobjectives. The well was drilled to TD at 3530 m in the Late Triassic Lunde\r\nFormation. The well was drilled with seawater and hi-vis pills down to 1698 m\r\nand with HF-plus KCl/polymer mud from 1698 m to TD.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eThe Viking Group, Draupne Formation was\r\nencountered at 2903. 5 m (2873.5 m TVD). Weak source rock shows were recorded\r\nin these shales. The Brent Group was encountered from 2922.5 m to 2983.5 m\r",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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}