{
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  "LayerId" : 254,
  "LayerName" : "Wellbore - History",
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    "wlbNpdidWellbore" : 260,
    "wlbName" : "2/5-5",
    "wlbHistory" : "\r\n\u003cp\u003e\u003cb\u003eGeneral\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWell 2/5-5 was drilled ca 2 km southwest\r\nof the 2/5-3 S ør øst Tor Discovery well in the southern Norwegian North Sea.\r\nIt was drilled to appraise the S ør øst Tor Discovery \u003c/p\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eOperations and results\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eAppraisal well 2/5-5 was spudded with the\r\njack-up installation Zapata Explorer on 9 December 1972 and drilled to TD at\r\n3456 m in the Late Cretaceous Tor Formation.\u003c/p\u003e\r\n\r\n\u003cp\u003eTop Paleocene was encountered at 3058 m,\r\ntop Danian chalk (Ekofisk Formation) at 3176 m, and top Maastrichtian chalk\r\n(Tor Formation) at 3274 m. The only oil show reported above top Cretaceous was\r\nin thin dolomite stringers at 2940 - 2950 m. Oil shows were recorded in the Tor\r\nFormation from the top and down to 3383 m. Oil was confirmed by testing in the\r\nTor Formation.\u003c/p\u003e\r\n\r\n\u003cp\u003eTwo cores were cut in the interval 3284 -\r\n3321 m in the Tor Formation. No wire line fluid sample was taken.\u003c/p\u003e\r\n\r\n\u003cp\u003eThe well was permanently abandoned on 9\r\nFebruary 1973 as an oil appraisal.\u003c/p\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eTesting\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eThree drill stem tests were conducted in\r\nthe Tor Formation. The following results are after acidizing: \u003c/p\u003e\r\n\r\n\u003cp\u003eDST 1 tested the interval 3428 - 3437 m\r\nin. At the end of the flow period only load water had come to surface and the\r\npressure had dropped to zero. \u003c/p\u003e\r\n\r\n\u003cp\u003eDST 2 tested the interval 3355 - 3366 m.\r\nAfter 31 hours flow only acid and water cushion was produced to surface.\u003c/p\u003e\r\n\r\n\u003cp\u003eDST 3 tested the intervals 3297 to 3298 m\r\n+ 3307 to 3308 + 3312.9 to 3313.5 m. This test produced 72 Sm3 oil, 12430 Sm3\r\ngas, and 195 m3 water /day on a 64/64" choke. The GOR was 171 Sm3/Sm3 and\r\nthe oil gravity was 39.4 deg API.\u003c/p\u003e\r\n\r\n\r\n",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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}