{
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  "LayerId" : 254,
  "LayerName" : "Wellbore - History",
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    "OBJECTID" : 658,
    "wlbNpdidWellbore" : 1384,
    "wlbName" : "34/10-33 C",
    "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 34/10-33 C is a sidetrack from\r\nappraisal well 34/10-33 B on the Gullfaks South Discovery. The B sidetrack was\r\ndrilled to perform a long-period test from a horizontal well through the upper\r\npart of the Brent Group, as part of the development of the Gullfaks South\r\ndiscovery. As the test in the B sidetrack failed the C-sidetrack was drilled\r\nwith the same main objectives, but this sidetrack was not to be drilled\r\nhorizontally. The test should provide information about requirement for pressure\r\nsupport during oil production, pressure communication in the gas cap during\r\nproduction, treatment of oil with high wax content, and it should collect\r\nliquid samples from the reservoir. Secondary objectives for the C sidetrack was\r\nto penetrate a complete Rannoch formation down flanks from well 34/10-33 and to\r\nestablish the oil/water contact in the lower part of the pressure regime\r\n(Etive/Rannoch formations). \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\u003eThe well 34/10-33 B was abandoned and an\r\nEZSV set at 3280 metres. Appraisal well 34/10-33 C was kicked off on 10 July\r\n1989 through the 9 5/8" casing from a Packstock tool set at 3279 metres in\r\nthe Tarbert Formation. The well bore was drilled with the semi-submersible\r\ninstallation Deepsea Bergen to TD at 3752 m (3587 m TVD) in the Early Jurassic\r\nDrake Formation. No significant problems occurred while drilling this well. The\r\nwell was drilled with Interdrill NT oil based mud from kick-off to TD.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eFMT pressure points defined a gas/oil contact\r\nat 3302 m (3242 m TVD MSL) +/- 5 m and an oil/water contact at 3604 m (3460 m\r\nTVD MSL) +/- 20 m. Logs and sidewall cores indicated oil down to 3617 m (3467 m\r\nTVD MSL). Further shows evaluation from cuttings is uncertain due to oil based\r\nmud. The FMT measurements proved a ",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
  }
}