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  "LayerName" : "Wellbore - History",
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    "wlbName" : "34/10-21",
    "wlbHistory" : "\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 34/10-21 was the third well drilled\r\non the Gullfaks South structure in the Tampen Spur area in the northern North\r\nSea. The objective was to test for possible hydrocarbon accumulations and for a\r\npossible extension of reserves in the Gullfaks South field. Targets included\r\nthe Brent, Cook and Statfjord Sandstones and possible sand accumulations in the\r\nEarly Cretaceous.\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 34/10-21 was spudded with\r\nthe semi-submersible installation Dyvi Delta on 26 July 1984 and drilled to TD\r\nat 4005 m in Late Triassic sediments of the Raude Formation. The well was\r\ndrilled with gel/seawater down to 615 m, with gypsum/CMC/lignosulphonate from\r\n615 m 3196 m, and with gel/lignosulphonate from 3196 m to TD.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eNo sandstones were encountered in the\r\nEarly Cretaceous. Hydrocarbon bearing Brent sandstone was encountered at 3287\r\nm, with the hydrocarbon/water contact established at 3333 m+/-3 m. No\r\nhydrocarbons were identified in the Cook sandstones. The logs indicated\r\nhydrocarbons in the Statfjord Group, but drill stem test gave no flow from\r\nthese sandstones. No shows were described above the Tarbert reservoir. Below\r\nthe OWC, shows on sandstone were described down to 3359 m.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eSix cores were cut; four from 3289 m to\r\n3383 in the Brent Group and two from 3970 m to 3985.5 in the Raude Formation.\r\nCore recoveries were from 90 % to 100 %. RFT fluid samples were taken in the\r\nBrent Group oil zone at 3298.5 m, 3317.3 m, and 3325.0 m.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cspan lang=EN-GB\u003eThe well was permanently abandoned on 22\r\nOctober 1984 as a gas appraisal well.\u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyText\u003e\u003cb\u003e\u003cspan lang=EN-GB\u003eTesting\u003c/span\u003e\u003c/b\u003e\u003cspan lang=EN-GB\u003e \u003c/span\u003e\u003c/p\u003e\r\n\r\n\u003cp class=MsoBodyTex",
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