{
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  "LayerName" : "Wellbore - History",
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    "wlbNpdidWellbore" : 363,
    "wlbName" : "25/8-2",
    "wlbHistory" : "\r\n\r\n\r\n\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 25/8-2 was drilled on the Heimdal\r\nTerrace in the North Sea.\u003c/span\u003e\u003cspan lang=EN-GB\u003eThe objective\r\nwas to test Jurassic and Paleocene age sands located within a structural\r\nclosure.\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 25/8-2 was spudded with the\r\nsemi-submersible installation Ross Rig on 9 September 1975 and drilled to TD at\r\n2578 m in Late Triassic sediments of the Statfjord Formation. No significant\r\ndrilling problems were encountered. Initial drilling from the sea floor to 1268\r\nm was with sea water and gel. Below 1268 m sea water and lignosulphonate mud\r\nsystem was used.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eThe well penetrated good reservoir sands\r\nas predicted, but they were water bearing. No Danian or Cretaceous sediments\r\nwere present. Paleocene sediments (Ty Formation) lie unconformable on the Middle\r\nJurassic Sleipner Formation in the well. A small gas show (methane) was found\r\nin the top of the Miocene (Utsira Formation) and scattered oil stained sand\r\ngrains were found in the upper part of Paleocene. No other shows were encountered\r\nin the well.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eNo cores were cut and no wire line fluid\r\nsamples were taken.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eThe well was permanently abandoned on 1\r\nOctober 1975 as a dry well.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cb\u003e\u003cspan lang=EN-GB\u003eTesting\u003c/span\u003e\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eNo drill stem test was performed.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\r\n\r\n",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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