{
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  "LayerName" : "Wellbore - History",
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    "wlbNpdidWellbore" : 525,
    "wlbName" : "34/7-7",
    "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 34/7-7 was drilled on the western\r\nside of the “Inner Main Fault” near the geographic centre of the Snorre Field.\r\nThe objectives were to test the reservoir quality of the Statfjord Group and\r\nthe Oil-Water Contact, expected to be at 2611 m. Further objectives were to\r\ntest the subdivision and reservoir characteristics of the Triassic 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\u003eWildcat well 34/7-7 was spudded with the\r\nsemi-submersible installation Treasure Saga on 17 September 1985 and drilled to\r\nTD at 3526 m in the Late Triassic Lunde Formation. A 17 1/2” pilot hole was\r\ndrilled from 455 m to 995 m to check for shallow gas before opening up to 26”.\r\nNo shallow gas was seen. Some fishing jobs were required during logging and\r\ntesting, otherwise operations proceeded without significant problems. The well\r\nwas drilled with spud mud down to 455 m, with gel mud from 455 m to 995 m, with\r\ngypsum/polymer mud from 995 m to 2562 m, and with gel mud from 2562 m to TD.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eWell 34/7-7 penetrated top reservoir at\r\n2561.1 m. The OWC was defined at 2615 m in the Statfjord Group. The average log\r\nporosity in the oil zone is 26.2%, the net/gross is 0.37, and the average water\r\nsaturation is 26.2%. Weak oil shows were seen from around 2140 m in sandstone\r\nand siltstone from early Campanian in the Shetland Group (top Kyrre Formation)\r\nand down to to the top Dunlin Group at 2455 m. Through the Dunlin Group down to\r\nthe top Statfjord reservoir at 2561 m, the shows became stronger. Below the OWC,\r\na sandstone interval at the bottom of the Statfjord (2640 - 2644 m) had good\r\noil shows. Going into the Upper Lunde, the shows disappear.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eNineteen cores were cut and recovered during\r\ndrilling of the well. Core 1 to 8 were",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
  }
}