{
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      "title" : "The collection document"
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  "LayerId" : 254,
  "LayerName" : "Wellbore - History",
  "id" : "812",
  "properties" : {
    "OBJECTID" : 812,
    "wlbNpdidWellbore" : 1956,
    "wlbName" : "2/4-16 R",
    "wlbHistory" : "\r\n\r\n\u003cp\u003e\u003cb\u003eGeneral\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eThe licence area is located in a prolific\r\narea in the southern North Sea on the eastern margin of the Feda Graben. Well\r\n2/4-16 was drilled on the eastern margin of the Feda Graben North of the\r\nAlbuskjell and Ekofisk Fields in the North Sea. Geologically the area consists\r\nof three sub-platforms. These are separated by large NW-SE striking normal\r\nfaults down-faulted to the southwest and stepping down to the Feda Graben in\r\nthe southern part of the block. The 2/4-16 well is located in the centre of the\r\nlicence area on the same down faulted segment as the blowout wells 2/4-13, -14\r\nand -15. Well 2/4-16 was temporarily abandoned at 4996 m in the Middle Jurassic\r\nBryne formation due to operational problems. The main objective of well 2/4-16\r\nR was to penetrate the Middle Jurassic and through the Triassic sequence to\r\ntest for possible hydrocarbon bearing sandstone sequences. The plan was to\r\nsidetrack just below the 7 5/8" casing shoe at 4892 m and if operation\r\npermitted, to penetrate the complete Triassic sequence and terminate the well\r\nin the Zechstein Group evaporites. Planned TD for the well was 5190 + 60 m. If\r\nno signs of salt/anhydrite, the maximum TD of the well should be 5250 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\u003eWell 2/4-16 was re-entered (2/4-16 R)\r\nwith the semi-submersible installation Treasure Saga on 4 June 1992. The old\r\nhole was sidetracked between 4900 to 4930 m and drilled to 4973 m in the Middle\r\nJurassic Bryne Formation where the well was terminated due to extremely high\r\npore pressures in the range 2.16 - 2.17 EMW. One week was spent attempting to\r\nbleed off pressure with no success. Analysis of the bleed-off operation showed\r\nthat it was impossible to reduce the high pore pressure. As the source of the\r\nextreme pore pressure is of unknown origin it was decided to stop further\r\ndrilling and permanently abandon the well.\u003c/p\u003e\r\n\r\n\u003cp\u003eNo conventional logs for formation\r\nevaluation were run. No cores were cut and no wire line fluid samples take",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
  }
}