{
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  "LayerName" : "Wellbore - History",
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    "wlbNpdidWellbore" : 160,
    "wlbName" : "2/6-1",
    "wlbHistory" : "\r\n\r\n\u003cp\u003e\u003cb\u003eGeneral\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWell 2/6-1 is located on the north\r\neastern slope of the Mandal High between the Søgne Basin and the Central Graben\r\nin the North Sea. It was drilled on a salt induced anticlinal structure. The\r\nobjective of the well was to investigate the sedimentary section down to the\r\nPermian salt, and particularly to test the hydrocarbon potential of the\r\nTertiary and Mesozoic sands. \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 2/6-1was spudded with the semi-submersible\r\ninstallation Ocean Viking on 21 April 1969 and drilled to TD at 3336 m in salt\r\nbelonging to the Late Permian Zechstein Group. Down to 615 m the well was\r\ndrilled with sea water as drilling fluid, and the returns were to the sea\r\nfloor. From 615 m to TD a sea water/LFC type mud was used. The only significant\r\ndrilling problem occurred at a depth of 3220 m in the top of the Mesozoic sands\r\nwhen the well kicked 6.35 m3 of water associated with a gas show. The flow rate\r\nwas 20 m3/hr and the pressure was estimated to 480 kg/cm2. The kick was killed\r\nwith a 1.65 g/cm3 mud.\u003c/p\u003e\r\n\r\n\u003cp\u003eForty meter of Middle and Late Jurassic\r\nsands revealed good reservoir properties, but contained no hydrocarbons.\r\nAverage reservoir properties in these sands were 20% porosity and 140 mD permeability.\r\nThe Tertiary sediments contained very little sand. Shows were described as\r\nfollows: in the Paleocene siltstones and shales, a small chloroform cut was\r\nobtained on sidewall samples and in the Mesozoic sands, traces of bitumen occur\r\nand a chloroform cut was obtained. One conventional core of Jurassic sandstone\r\nwas cut at 3223 to 3235 m. No wire line fluid samples were taken.\u003c/p\u003e\r\n\r\n\u003cp\u003eThe well was permanently abandoned on 30\r\nMay 1969 as a dry well.\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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}