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  "LayerName" : "Wellbore - History",
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    "wlbNpdidWellbore" : 940,
    "wlbName" : "34/8-3",
    "wlbHistory" : "\r\n\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 34/8-3 was drilled 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. The primary\r\nobjectives of the well were to test the hydrocarbon potential of the Brent\r\nGroup on the A-North compartment. Planned TD was 50 m into the Statfjord\r\nFormation.\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 34/8-3 was spudded with the\r\nsemi-submersible installation Polar Pioneer on 14 July 1988 and drilled to TD\r\nat 3328 m (3320 m TVD) in the Early Jurassic Statfjord Formation. There were no\r\nproblems with shallow gas. 9 5/8" casing was set at 2597 m instead of 2800\r\nm due to higher pressure than prognosed in formation of Cretaceous age. Below\r\n2600 m the well started to build some angle, up to 9.6 deg at the most. This\r\nresulted in 8 meter discrepancy between measured depth and vertical depth\r\ntowards TD. The well was drilled with seawater and hi-vis pills down to 1302 m\r\nand with KCl/polymer mud from 1302 m to TD.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eOil shows were recorded in thin sandstone\r\nstringers in the Kyrre Formation between 2364 m and 2555 m. The Brent Group was\r\nencountered at 2837 m. It contained a 90 m gas column and a 13 m oil column. The\r\ngas/oil contact was at 2929 m. The oil/water contact could not be established,\r\nbut DST 1 produced clean oil from the interval 2935 to 2947 m. Oil shows were\r\nrecorded on sandstone on cores down to 2951 m.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eSeven cores were cut in the interval\r\n2839.0 to 2957.5 m in the Brent Group. The core depths are 1 m shallow compared\r\nto logger's depth. One RFT wire line fluid sample was taken at 2936 m. The 2\r\n3/4 gallon chamber con",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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