{
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    "wlbNpdidWellbore" : 253,
    "wlbName" : "2/4-9",
    "wlbHistory" : "\u003cp\u003e\u003cb\u003eGeneral\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eWildcat well 2/4-9 was drilled on the\r\nsoutheast flank of the Albuskjell structure, 6 km southeast of the Shell 1/6-1\r\nwell, which was drilled on the saddle in the middle of the structure. The\r\nDanian Limestone was the expected pay zone, and if porosity was present, the\r\nLate Cretaceous Limestone was also expected to be hydrocarbon bearing. Planned\r\nTD was 3810 m (12500 ft).\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 2/4-9 was spudded with the jack-up\r\ninstallation Zapata Explorer on 13 August 1973 and drilled to TD at 3752 m in\r\nthe Late Cretaceous Hod Formation. The well was drilled and tested in 58 days,\r\nwithout significant technical problems. Deviation surveys were carried out down\r\nto 2448 m and the maximum deviation to this depth was 1.25 deg. \u003c/p\u003e\r\n\r\n\u003cp\u003eThe Danian limestone was encountered at\r\n3214 m and the Late Cretaceous limestone at 3306 m. The Late Cretaceous\r\nlimestone yielded commercial oil and gas on two drill stem tests while the\r\nDanian limestone yielded no commercial hydrocarbons.\u003c/p\u003e\r\n\r\n\u003cp\u003eNo cores were cut and no wire line fluid\r\nsamples taken.\u003c/p\u003e\r\n\r\n\u003cp\u003eThe well was permanently abandoned on 9\r\nOctober 1973 as a gas and condensate appraisal. \u003c/p\u003e\r\n\r\n\u003cp\u003e\u003cb\u003eTesting\u003c/b\u003e\u003c/p\u003e\r\n\r\n\u003cp\u003eFour DST's were carried out in the chalk,\r\nDST 1 and 2 in the Late Cretaceous and DST 3 and 4 in the Danian. The results here\r\nare after acidizing: DST 1 from 3360 - 3368 m flowed 121 Sm3 oil and 97700 Sm3\r\ngas /day through a 96/64" choke. The oil gravity was 43 deg API and the\r\nGOR was 801 Sm3/Sm3. DST 2 from 3308 to 3359 m and 3360 to 3368 m flowed 461\r\nSm3 oil and 455900 Sm3 gas /day through chokes 20/64" + 24/64". The\r\noil gravity was 44 deg API and the GOR was 977 Sm3/Sm3. DST 3 from 3274 - 3283\r\nm and DST 4 from 3222 - 3225 flowed only small amounts of water with traces of\r\noil. \u003c/p\u003e\r\n\r\n\r\n",
    "wlbHistoryDateUpdated" : "2026-02-24T00:00:00"
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