{
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  "LayerId" : 254,
  "LayerName" : "Wellbore - History",
  "id" : "902",
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    "OBJECTID" : 902,
    "wlbNpdidWellbore" : 2505,
    "wlbName" : "1/3-7",
    "wlbHistory" : "\r\n\u003cp class=MsoBodyText\u003e\u003cb\u003e\u003cspan lang=EN-GB\u003eGeneral\u003c/span\u003e\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eWell 1/3-7 is located on the Hidra High\r\nin the North Sea. It was drilled to appraise the 1/3-6 Oselvar condensate\r\ndiscovery made in Paleocene Forties Formation sandstones. The well was placed\r\ndown-flanks on the structure relative to the discovery well in order to\r\npenetrate the hydrocarbon-water contact and further appraise reservoir\r\nproperties and production rates. \u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cb\u003e\u003cspan lang=EN-GB\u003eOperations and results\u003c/span\u003e\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eAppraisal well 1/3-7 was spudded with the\r\n3 leg jack-up installation West Epsilon on 13 February 1995 and drilled to TD\r\nat 3345 m in the Paleocene Våle Formation. A gas kick was taken at 1740 m in\r\nthe top of the Hordaland Group, later it was found that the gas probably\r\noriginated from a limestone less than one meter thick. The hole packed off, the\r\nstring had to be cut off at 1564 m, and the hole was plugged back. A technical\r\nsidetrack (1/3-7 T2) was made from 1204 m. This sidetrack failed as the bit\r\nfell back into the original hole during a wiper trip. A new and successful\r\ntechnical sidetrack (1/3-7 T3) was made from 1202 m. A second gas kick occurred\r\nin the T3 sidetrack when reaching 1741 m. This kick was controlled by the driller's\r\nmethod without significant problems or extra rig time. The extra activity\r\ncaused by the first kick prolonged the rig time with 23 days. Due to poor hole\r\nconditions no open hole logging was performed in the 12 1/4" section. As\r\nthe West Epsilon was available only up to 28 May open hole logging at final TD\r\nwas also abandoned in order to secure time for the well test. The reservoir was\r\nlogged through casing. The well was drilled with sea water down to 207 m and\r\nwith gelled mud from 207 m to 1204 m. From 3103 m to TD it was drilled with a\r\nsalt polymer.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eTop Forties Formation was encountered at\r\n3175 m. The Forties",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
  }
}