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    "wlbNpdidWellbore" : 1346,
    "wlbName" : "25/5-2",
    "wlbHistory" : "\u003cp\u003e\u003cb\u003eGeneral\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWell 25/5-2 was\r\ndesigned to drill the Frøy structure, which is a NNE-SSW tilted Jurassic fault\r\nblock located in the northeastern corner of block 25/5. The main objectives of\r\nthe well were to prove the Southward continuity and extension of the Middle\r\nJurassic reservoir, to determine the OWC in the Frøy Field, to test the\r\nproductivity in the oil zone, and to test the injectivity in the water zone.\r\nThe northern extension of the Frøy structure was drilled in 1977 by well 25/2-6\r\nin a down dip position and proved limited oil shows in the Statfjord Formation.\r\nWells 25/5-1 and 25/5-1 A were drilled in 1987 in the central part of the\r\nstructure, and found oil in the Vestland Group sandstones.\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 25/5-2\r\nwas spudded with the semi-submersible rig West Vanguard on 18 April 1989 and\r\ncompleted 4 July 1989 at a depth of 3304 m in the Early Jurassic Drake\r\nFormation. Drilling went without problems to 2300 m where the bit became stuck\r\nafter a wiper trip, and the string was backed of at 2231 m. A technical\r\nsidetrack was started from 2103 m. The string entered into the old hole, and a\r\nsecond sidetrack was started from 2070 m. Below the 9 5/8" casing at 3066\r\nm BSX mud, based on seawater with added NACl and polymers, was used. The MWD measurements\r\nshowed no indication of shallow gas. The Vestland Group, Hugin Formation,\r\ncame in at 3186 m, 67 m deeper than expected. Hydrocarbons were encountered at\r\nthe top reservoir with the oil water contact at 3198 m (3176 m TVD MSL), which is\r\n50 m deeper than the estimated OWC in well 25/5-1 A. Still, RFT Pressure\r\nmeasurements in the oil column indicate pressure communication with the oil\r\ncolumn in well 25/5-1. A total of 4 cores were cut down to 3226 m. The well was\r\nplugged and abandoned as an oil 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 drill stem tests\r\nwhere performed. Test 1 was a production and injection test in the Middle\r\nVestland Group water zone from 3222 m to 322",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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