{
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  "LayerId" : 254,
  "LayerName" : "Wellbore - History",
  "id" : "567",
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    "wlbNpdidWellbore" : 947,
    "wlbName" : "34/7-10",
    "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 34/7-10 was drilled on the southern\r\nend of the Snorre Field. The primary purpose of well 34/7-10 was to prove\r\nStatfjord Group reserves in the south-east Snorre. Further objectives were to\r\ntest the Statfjord Group thickness and sand distribution, to test the extent\r\nand quality of the middle Statfjord member and to establish a Statfjord Group\r\nOWC and reservoir parameters of the Statfjord Group and underlying upper Lunde Formation.\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 34/7-10 was spudded with\r\nthe semi-submersible installation Treasure Saga on 26 August 1986 and drilled\r\nto TD at 3000 m in the Late Triassic Lunde Formation. Drilling proceeded\r\nwithout significant problems. The well was drilled with spud mud down to 430 m,\r\nwith gel mud from 430 m to 918 m, with gypsum/polymer mud from 918 m to 2413 m,\r\nand with KCl mud from 2413 m to TD.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eApart from the sandy Utsira Formation of\r\nLate Miocene age, a Late Oligocene (1314 - 1324 m) and a Late Eocene (1377 -\r\n1387 m) sandstone unit within the Hordaland Group, the upper section down to\r\nJurassic proved mainly claystones. The Jurassic consists of a silty Dunlin\r\nGroup and a sandy Statfjord Formation. The Triassic consists of claystones with\r\nminor sandstones in the upper part and alternating sandstones/ claystones from\r\n2800 m and down to TD. First traces of shows were seen at 2120 m in silty\r\nlaminas of the Shetland Group. These are described as weak dark yellow\r\nfluorescence with slowly streaming light yellow cut. From 2250 m and down to\r\ntop Statfjord Group oil reservoir at 2531.5 m silt and sandstone show weak to moderate\r\ndull yellow to bright yellow fluorescence and slowly streaming blue white to\r\nmilky white cut. The residue is yellow to light brown in colour. Below the OWC\r\nat 2621 m sh",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
  }
}