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  "LayerName" : "Wellbore - History",
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    "wlbNpdidWellbore" : 130,
    "wlbName" : "7121/7-1",
    "wlbHistory" : "\r\n\r\n\u003cp\u003e\u003cb\u003eGeneral\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWell 7121/7-1 was drilled in order to\r\ntest the Lower/Middle Jurassic sandstone on the eastern part of the Albatross\r\nstructure on Tromsøflaket. The primary target was defined as sandstone\r\nintervals in Early-Middle Jurassic and Late Triassic.\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 7121/7-1 was spudded with\r\nthe semi-submersible installation West Vanguard on 11 June 1984 and drilled to\r\nTD at 2160 m in the Late Triassic Fruholmen Formation. No significant problems\r\nwere encountered during drilling. The well was drilled with spud mud down to\r\n764 m and with a gypsum/polymer mud from 764 m to TD.\u003c/p\u003e\r\n\r\n\u003cp\u003eLogs, RFT pressure gradients, and cores\r\nindicated gas in the Lower/Middle Jurassic sandstone (Stø Formation)\r\nencountered at a depth of 1849 m. Gas/water contact was evaluated to 1902.5 m\r\nRKB, the same as found in well 7120/9-1, also drilled on the Albatross\r\nstructure. From the GWC down to TD in the well shows were observed in\r\nsandstones on cores and cuttings. Four cores were cut in the interval 1851 m to\r\n1935 m in the Stø Formation. Two segregated samples were taken, at 1900.2 m and\r\nat 1851.0 m. The 2-3/4 gallon chamber from 1900.2 m was bled off offshore and\r\ngave an opening pressure at 2220 psig.\u00A0The sample contained 58.25 cuft of gas\r\nand 1 litre of liquid consisting of 800 cc water/mud filtrate and 200 cc\r\ncondensate. The 2 3/4 gallon chamber from 1850.5 m contained 2200 psig with\r\n4500 cc water based liquid, a small volume condensate, and 41 cuft of gas. \u003c/p\u003e\r\n\r\n\u003cp\u003eThe well was permanently abandoned on 5\r\nAugust 1984 as a gas appraisal well. \u003c/p\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eTesting\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eTwo DST were performed, one water test\r\nover the interval 1947.2 m to 1960.18 m and one gas test over the interval 1867\r\nm to 1872 m. The recorded temperatures were in agreement with those observed in\r\nwell 7120/9-1. The reservoir fluids had the same composition in well 7121/7-1\r\nas in well 7120/9-1. The sandstone in the tested water zone had good reservoir\r\nproperties. The",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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