{
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      "title" : "The collection document"
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  "LayerId" : 254,
  "LayerName" : "Wellbore - History",
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    "wlbNpdidWellbore" : 272,
    "wlbName" : "2/7-13",
    "wlbHistory" : "\r\n\r\n\u003cp\u003e\u003cb\u003eGeneral\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eExploration well 2/7-13 was drilled to\r\nthe East of an intrusive salt dome in the Ekofisk area of the Norwegian sector\r\nof the North Sea. The structure had already been investigated by wells 1/9-4\r\nand 1/9-5 to the west, and also above the salt dome in 2/7-12. The Danian/Late\r\nCretaceous was the primary objective. A secondary objective was the possibility\r\nof a reservoir on the flank of the dome with the salt forming a seal.\u003c/p\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eOperations and results\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWell 2/7-13 was spudded with the jack-up\r\ninstallation Dyvi Beta on 1 February 1979 and drilled to TD at 3388 m in the\r\nEarly Cretaceous Sola Formation. No significant problems were reported from the\r\noperations. The well was drilled with spud mud/Drispac/seawater down to 1309 m,\r\nand with seawater/Drispac from 1309 m to TD.\u003c/p\u003e\r\n\r\n\u003cp\u003eHigher hydrocarbon gasses were observed\r\nfrom 975 m to 1113 m. Very poor fluorescence was noted in the clay and\r\noccasional limestone in the same interval. Poor shows occurred in limestones at\r\n2210 - 2225 m and 2265 - 2274 m, and also in dolomite limestone stringers from\r\n2387 - 2591 m. The Danian and Cretaceous limestones also gave poor oil shows\r\nwith some staining in the Ekofisk Formation from 2719 to 2801 m. Five\r\nconventional cores with a total of 22 m recovered were taken in this zone from\r\n2725.5 m to 2790 m. No wire line fluid samples were taken.\u003c/p\u003e\r\n\r\n\u003cp\u003eThe well was permanently abandoned on 21\r\nApril 1979 as a dry well with shows.\u003c/p\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eTesting\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eFour intervals in the 8 1/2" section\r\nwere tested through 7" liner. DST 1 tested the Hidra Formation from 3188\r\nto 3257 m and produced 504 Sm3 water with 1.5% oil/day, DST 2 tested the Hod\r\nFormation from 3042 to 3085 m and produced 1441 Sm3 water with ca 3000 Sm3\r\ngas/day, DST 3 tested the Ekofisk Formation from 2740 to 2774 m and 2793.5 to\r\n2807 m, and DST 4 tested the Ekofisk Formation from 2697.5 to 2729 m. DST 3 and\r\nDST 4 produced only small amounts of water (1 Sm3/day and 69 Sm3/day,\r\nrespect",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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}