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    "wlbName" : "15/9-10",
    "wlbHistory" : "\r\n\r\n\u003cp\u003e\u003cb\u003eGeneral\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWildcat well is located between the\r\nSleipner Vest and Sleipner Øst Fields. The well was designed to test possible\r\nhydrocarbon accumulations in the Upper Middle Jurassic sands and secondary test\r\nHeimdal Formation Sand of Paleocene age.\u003c/p\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eOperations and results\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWildcat well 15/9-10 was spudded with the\r\nsemi-submersible installation Neptuno Nordraug on 15 September 1981 and drilled\r\nto TD at 3289 m in the Triassic Smith Bank Formation. Drilling the 26"\r\nhole section complete loss of returns occurred at 186 m and a cement plug was\r\nset. Drilling out of the cement returns were again lost, at 178 m, requiring a\r\nfurther cement plug. Total losses due to this loss zone were well in excess of\r\n10 000 bbls. After this operations went without significant problems. The well\r\nwas drilled with seawater and hi-vis pills down to 172 m. The next section, the\r\n26" section, was drilled down to 472 m with seawater/bentonite and\r\nquantities of Mica Fine, Nutplug, Kwikseal, and other additives. From 472 m to\r\nTD m the well was drilled with polymer/Drispac.\u003c/p\u003e\r\n\r\n\u003cp\u003eThe well encountered Tertiary sands in\r\nthe Utsira Formation at 884 - 1102 m, Grid Formation at 2049 - 2079 m, Heimdal\r\nand Ty Formations at 2547 m to 2667 m. An RFT run in the Heimdal sand indicated\r\na water gradient, 1.02 g/cm3. The primary target Jurassic sandstones was\r\nencountered at 3070 m in the Hugin and Sleipner Formations. Some shows were\r\nrecorded in the Hugin Formation, but from the logs the formations were all\r\nwater-wet. Possible source rocks were encountered in a comparatively thick and\r\nmarly Blodøks Formation from 2871 m to 2924 m, and in the Late Jurassic Draupne\r\nand Heather Formations from 3004 m to 3070 m. Four conventional cores were cut.\r\nCore 1 was cut from 3061 m to 3062.4 m in the Heather Formation, core 2 was cut\r\nfrom 3082 m to 3100 m in the Hugin Formation, and cores 3 and 4 were cut from\r\n3137 m to 3171 m in the Sleipner Formation. No fluid sample was taken.\u003c/p\u003e\r\n\r\n\u003cp\u003eThe w",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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