{
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  "LayerId" : 254,
  "LayerName" : "Wellbore - History",
  "id" : "57",
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    "wlbNpdidWellbore" : 59,
    "wlbName" : "34/10-16",
    "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 34/10-16 was drilled on the Gullfaks\r\nSør structure, 8 km south of the Gullfaks Field. The purpose of this well was\r\nto investigate a fault block, en echelon to the first fault block tested by\r\nwell 34/10-2, for possible extension of hydrocarbon accumulation. The principal\r\ndrilling objective was sandstones of the Brent Group. Secondary objectives were\r\nthe Cook and Statfjord sands, of which the Statfjord sand proved the presence\r\nof oil in well 34/10-2. \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 34/10-16 was spudded with\r\nthe semi-submersible installation Nordraug on 14 December 1982 and drilled to\r\nTD at 4042 m (4027 m TVD) in the Late Triassic Lunde Formation. Excessive time\r\nwere lost due to waiting on weather, hole problems, logging problems and other\r\ntechnical problems. These problems consumed a total of 1080 hours or 45 days\r\ndowntime. The well was drilled with spud mud down to 225 m, with gel/seawater\r\nfrom 225 m to 617 m, and with lignosulphonate CMC/gel mud from 617 m to TD.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eThe Brent Group came in at 3171 m and contained\r\nboth oil and gas with the gas/oil contact at ca 3350 m and the oil/water\r\ncontact at ca 3422 m, according to the logs. The gas net pay was estimated to\r\n84 m with average porosity 18.2% and average water saturation 22.5%. The oil\r\nnet pay was estimated to 29.5 m with average porosity 16.5% and average water\r\nsaturation 38.9%. No hydrocarbons were encountered in the Cook and Statfjord\r\nFormations. No oil shows were recorded outside of the Brent Group. \u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eA total of 23 cores were cut, 22 of these\r\ncovering nearly all of the Brent Group and the last one covering a sandstone in\r\nthe upper Statfjord Formation. The RFT tool was run for fluid samples.\r\nSegregated RFT sample",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
  }
}