{
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  "LayerId" : 254,
  "LayerName" : "Wellbore - History",
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    "wlbNpdidWellbore" : 2095,
    "wlbName" : "25/2-15 R",
    "wlbHistory" : "\u003cp\u003e\u003cb\u003eGeneral\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eThe well is located in the southern part\r\nof block 25/2, and was designed to recognize the petroleum potential of the\r\nso-called Jurassic Prospect 1. The main objective of the well was to explore\r\nthe Middle Jurassic Brent sandstones. An optional objective was Early Jurassic\r\nStatfjord sandstones, depending on the petroleum results at the Brent level. \u003c/p\u003e\r\n\r\n\u003cp\u003eWell 25/2-15 R is a re-entry of well\r\n25/2-15, which was drilled with the semi-submersible installation West Alpha.\r\nDue to a fire on the West Alpha installation the well was temporarily abandoned\r\non 13 January 1993, with the drill string in the hole. The purpose with the\r\nre-entry was to retrieve the West Alpha BOP, fish out the lost drill string,\r\nperform logging, and set 9 5/8" casing. After that normal exploration\r\ndrilling would be resumed to fulfil the original geological objectives.\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 25/2-15 was re-entered\r\n(25/2-15 R) with the semi-submersible installation West Vanguard on 6 February\r\n1993. West Vanguard was chosen due to availability and compatibility with the\r\nWest Alpha BOP system. \u003c/p\u003e\r\n\r\n\u003cp\u003eThe lost drill string was successfully\r\nfished and retrieved and the hole was logged. Due to poor hole conditions after\r\nthree weeks of open hole the logging program was not successfully accomplished.\r\nThe 9 5/8" casing was ran and cemented with shoe at 3498 m. The well was\r\ntemporary plugged, the drill string laid down, the West Alpha BOP was retrieved\r\nand secured on the BOP trolley. \u003c/p\u003e\r\n\r\n\u003cp\u003eAll geological results from the well are\r\ngiven in the 25/2-15 R2 history.\u003c/p\u003e\r\n\r\n\u003cp\u003eOn 1 March 1993 the well was suspended,\r\nand the rig was moved to Dusavika for BOP change out. \u003c/p\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eTesting\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eNo drill stem test was performed in the\r\nwell.\u003c/p\u003e\r\n\r\n",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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}