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    "wlbNpdidWellbore" : 1383,
    "wlbName" : "2/8-13",
    "wlbHistory" : "\r\n\u003cp\u003e\u003cb\u003eGeneral\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eExploration well 2/8-13 was designed to\r\ntest the Tertiary and Upper Cretaceous chalks overlying a salt induced domal\r\nfeature, unofficially named Mode, in the western part of block 2/8. The\r\nobjectives were to test the possible hydrocarbon accumulation contained within\r\nthe Tertiary and Upper Cretaceous chalks of the Ekofisk, Tor and Hod\r\nFormations; to determine the reservoir quality of the Shetland Group over the\r\nstructure; to determine the chalk stratigraphy over the Mode salt dome; and to\r\nacquire a VSP to help to image the chalk distribution and thickness over the\r\nMode feature.\u003c/p\u003e\r\n\r\n\u003cp\u003eThe well was planned to penetrate the\r\nShetland Group on a structurally high at the northern flank of the Mode salt\r\nfeature. Shallow gas was expected at 507- 590- and 730 m.\u003c/p\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eOperations\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWildcat well 2/8-13 was spudded with the\r\nsemi-submersible installation Dyvi Stena on 28 April 1989 and drilled to TD at\r\n1940 m in the Permian Zechstein Group. The well was drilled with seawater / gel\r\n/ polymer down to 380 m, with PHPA/PAC mud from 380 m to 1253 m, with\r\nPHPA/PAC/ANCOMEL mud from 1253 m to 1457 m, with PHPA/PAC/NaCl mud from 1457 to\r\n1758 m, and with NaCl/PAC mud from 1758 m to TD. Shallow gas was encountered at\r\nthe prognosed depths, and controlled with heavy mud. Shallow gas encountered in\r\nsands at 828 m, caused the well to flow. The flow was killed with heavy mud,\r\nand caused no injuries or damages. The drill pipe got stuck, and had to be shot\r\nof above the BHA, which than was cemented in. The well was kicked off for the\r\n2/8-13 sidetrack at 412 m. \u003c/p\u003e\r\n\r\n\u003cp\u003eThe Paleocene section was thinner than\r\nexpected, with Balder Sele and part of the Lista Formations missing. The gas\r\ncloud above the structure caused some difficulties as to predicting formation\r\ndepths and velocity correlations across the structure. The well drilled\r\ndirectly from Upper Cretaceous to Permian rocks. The Shetland Group came in 220\r\nm higher than prognosed and was 9.5 m thick, compared to p",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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