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  "LayerName" : "Wellbore - History",
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    "wlbNpdidWellbore" : 307,
    "wlbName" : "11/9-1",
    "wlbHistory" : "\r\n\r\n\u003cp\u003e\u003cb\u003eGeneral\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWell 11/9-1 is located in the Horn Graben\r\nfar to the east in the North Sea towards the Skagerrak Sea, ca 15 km from the\r\nDanish border. It was located near the top of a saliferous structure in order\r\nto explore the whole Triassic series in the most favourable structural\r\nposition. The structure is potentially large, but since all horizons above the\r\nJurassic level were expected to crop out on the seabed the objective horizon\r\nwas Lower Middle Triassic carbonaceous shales. These shales were seen both as\r\nsource rock and seal for hydrocarbons in underlying sandstones (basal Triassic\r\nBrockelschiefer). No other objectives were defined for this well. \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 11/9-1 was spudded with the\r\nsemi-submersible installation Deepsea Driller on 16 January 1976 and drilled to\r\nTD at 1972 m, 42 m into Late Permian Zechstein salt. The well was drilled water\r\nbased with spud mud down to 660 m and with ferrochrom lignosulphonate mud (FCL)\r\nfrom 660 m to TD. \u003c/p\u003e\r\n\r\n\u003cp\u003eDrilling was without returns to 145 m.\r\nFrom there red sandstones and variegated shales made up a very thick Triassic\r\ninterval (1785 m). The Triassic contained reservoirs as usual but no obvious\r\nsealing intervals were seen. Moreover, no potential source rocks were\r\nencountered. No shows of gas or oil were recorded during drilling and the\r\ndifferent reservoirs were water bearing from the logs. No conventional core was\r\ncut and no fluid sample taken. Forty sidewall cores were retrieved in two runs\r\nin the interval 737 m to 1962 m. \u003c/p\u003e\r\n\r\n\u003cp\u003eThe well was permanently abandoned on 28\r\nFebruary 1976 as a dry hole.\u003c/p\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eTesting\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eNo drill stem test was performed.\u003c/p\u003e\r\n\r\n\r\n\r\n",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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}