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  "LayerName" : "Wellbore - History",
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    "wlbNpdidWellbore" : 2076,
    "wlbName" : "30/9-14",
    "wlbHistory" : "\r\n\u003cp\u003e\u003cb\u003eGeneral\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWell 30/9-14 is\r\nlocated in the western part of block 30/9, on the Southern Oseberg complex. The\r\nprimary objectives of the well were to appraise oil within the G-North prospect\r\nand verify the potential resources of the G-North and G-West prospect, leaving\r\na minimum of untested resources up dip of the well on the G-North prospect; to\r\ndefine fluid contacts, primarily the OWC in the Tarbert Formation; and to\r\nverify the structural mapping, depth conversion and the geological model for the\r\nG-North area. Secondary objectives were to verify the lateral extent of the\r\nlower Heather sand, to test a possible hydrocarbon potential within the Ness\r\nand ORE (Oseberg/Rannoch/Etive) Formations, and to obtain a good well tie of\r\nthe base Brent reflector and the intra Dunlin reflector.\u003c/p\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eOperations and results\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eAppraisal well\r\n30/9-14 was spudded with the semi-submersible installation \"Polar\r\nPioneer\" on 16 March 1993 and drilled to total depth at 3680 m in the\r\nEarly Jurassic Drake Formation. The well was drilled water based with sea water\r\nand hi-vis pills in the 36\", 24\", and 17 1/2\" sections, down to\r\n1040 m, and with a KCl / PHPA / Polymer mud from 104 m to TD. Sedimentological\r\nand lithological development was similar to 30/9-13 S, but approximately 250 m\r\nof Early Oligocene sand encountered in well 30/9-13 S was not present in well\r\n30/9-14 where the same interval is dominated by clay stone. The Viking Group\r\ncame in at 2967 m and the Top Tarbert Formation came in at 3059.5 m, 84 m\r\ndeeper than prognosis due to too low velocities in the Tertiary section.\r\nSixty-six m of Intra Heather Sandstone was verified from 2993.5 m to 3059.5 m.\r\nPoor to moderate shows were observed in the Draupne and Heather Formations from\r\n2968.5 m to 3059.5 m. Moderate to good shows were seen from 3059.6 m to 3130 m\r\nin the Tarbert Formation. Good shows (residual oil) were also observed in the\r\nORE Formation from 3503 - 3514 m. The Lower Heather and upper Tarbert\r\nFormations were proven to",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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}