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    "wlbName" : "7119/12-1",
    "wlbHistory" : "\r\n\r\n\u003cp\u003e\u003cb\u003eGeneral\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWell 7119/12-1 was the first exploration\r\nwell to be drilled in the Barents Sea. It was placed on a horst block forming\r\nthe upper part of the seismic closure 7119/12-1 Alpha structure. The well was\r\ndesigned to gather information about the hydrocarbon potential of the Troms I area, specifically to test hydrocarbon potential and reservoir rock quality of\r\n7119/12-Alpha. The primary target was sandstone of middle Jurassic age.\r\nSecondary targets were Early Jurassic and Late Triassic sandstones. Planned TD\r\nwas into rocks of probable Triassic age at an estimated depth of 3500 m.\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 7119/12-1 was spudded with\r\nthe semi-submersible installation Ross Rig on 14 June 1980 and drilled to TD at\r\n3088 m in Early Jurassic Stø Formation. Two major problems were encountered in\r\nthe drilling phase of the well. The first one concerned boulders while drilling\r\n36" hole, causing low ROP and the hole caving in. The second problem was\r\nthe combination of junk in hole and a very hard, well-cemented sandstone at\r\n2654 m causing heavy bit wear. On 13 July drilling was interrupted by a 38 days\r\nstrike. Due to a late start-up and the strike, and as drilling season ended on\r\n1 October, no test could be performed. The well was drilled with spud mud down\r\nto 615 m and with bentonite / lignosulphonate mud from 615 m to TD.\u003c/p\u003e\r\n\r\n\u003cp\u003eTop reservoir, Stø Formation, came in at\r\n2658 m. Logs, RFT samples, and shows on cores and cuttings proved oil in the\r\nreservoir. The reservoir properties were however poor, with only 18,5 m net\r\nsand out of 430 m, and a moderate 13.6% average porosity in the net sand. Six\r\nRFT runs were conducted from 2658 m to TD. Out of a total of 73 pressure tests\r\nattempted only 15 pressure points were obtained due to tight formation. The pressure\r\ngradients obtained corresponded to 0.92 to 0.95 g/cc. Both logs and RFT showed\r\nthat the OWC had not been reached. Repeat Formation Test (RFT) segregated fluid\r\nsamples were collecte",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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