6507/8-9
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General information
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Wellbore history
GeneralWell 6507/8-9 was drilled to test the Carmen prospect on the northern part of the Grinda Graben in the Norwegian Sea, adjacent to the Heidrun Nord Discovery . The primary objective for the well was to prove hydrocarbons in the middle to Early Jurassic (Fangst or Båt Group).Operations and resultsWildcat well 6507/8-9 was spudded with the semi-submersible installation Deepsea Bergen on 2 August 2017 and drilled to TD at 2375 m in the Early Jurassic Åre Formation. Operations proceeded without significant problems. The well was drilled with Seawater down to 1410 m and with Enviromul oil-based mud from 1410 m to TD.Top Åre Formation was encountered at 2120.5 m, directly underlying Late Cretaceous sediments belonging to the Kvitnos Formation. No Middle-Late Jurassic and Early Cretaceous sediments were present in the well. The Åre Formation held a gas column of 87 m down to the gas-water contact at 2207 m, of which 35m was sandstone of good reservoir quality with a Net to Gross of 60%. The secondary target in Lower Åre Formation was water wet. The only shows described in the well were in the gas-bearing reservoir.One core was cut from 3299 to 3381 m in the Åre Formation with 99% recovery. MDT fluid samples were taken at 2127 m (gas), 2186 m (gas), and at 2240.2 m (water).The well was permanently abandoned on 22 August 2017 as a gas discovery.TestingNo drill stem test was performed. -
Cuttings at the Norwegian Offshore Directorate
Cuttings at the Norwegian Offshore Directorate Cuttings available for sampling?YESCuttings at the Norwegian Offshore Directorate Cutting sample, top depth [m]Cutting samples, bottom depth [m]1420.002374.00 -
Cores at the Norwegian Offshore Directorate
Cores at the Norwegian Offshore Directorate Core sample numberCore sample - top depthCore sample - bottom depthCore sample depth - uom12138.02164.9[m ]Cores at the Norwegian Offshore Directorate Total core sample length [m]26.9Cores at the Norwegian Offshore Directorate Cores available for sampling?YES -
Casing and leak–off tests
Casing and leak–off tests Casing typeCasing diam.
[inch]Casing depth
[m]Hole diam.
[inch]Hole depth
[m]LOT/FIT mud eqv.
[g/cm3]Formation test typeCONDUCTOR30418.036418.00.00INTERM.13 5/81401.317 1/21410.01.60FITLINER9 7/82063.012 1/42064.01.64FITOPEN HOLE2375.08 1/22375.00.00 -
Logs
Logs Log typeLog top depth [m]Log bottom depth [m]AIT MSIP PEX HNGS14702375LWD - GR RES4182375MDT CMR20832345XLR21212349 -
Lithostratigraphy
Lithostratigraphy Top depth [mMD RKB]Lithostrat. unit381381144817971797196619661983204020402046209421212121 -
Drilling mud
Drilling mud Depth MD [m]Mud weight [g/cm3]Visc. [mPa.s]Yield point [Pa]Mud typeDate measured14101.4523.0Enviromul14781.4326.0Enviromul17571.4830.0Enviromul19631.5435.0Enviromul20471.5132.0Enviromul20641.5135.0Enviromul20641.5031.0Enviromul21051.5132.0Enviromul23751.5129.0Enviromul -
Palynological slides at the Norwegian Offshore Directorate
Palynological slides at the Norwegian Offshore Directorate Sample depthDepth unitSample typeLaboratory1430.0[m]DCPETROSTR1460.0[m]DCPETROS1490.0[m]DCPETROS1520.0[m]DCPETROS1550.0[m]DCPETROS1580.0[m]DCPETROS1610.0[m]DCPETROS1640.0[m]DCPETROS1670.0[m]DCPETROS1700.0[m]DCPETROS1730.0[m]DCPETROS1760.0[m]DCPETROS1790.0[m]DCPETROS1800.0[m]DCPETROS1810.0[m]DCPETROS1820.0[m]DCPETROS1830.0[m]DCPETROS1840.0[m]DCPETROS1850.0[m]DCPETROS1860.0[m]DCPETROS1870.0[m]DCPETROS1880.0[m]DCPETROS1890.0[m]DCPETROS1900.0[m]DCPETROS1910.0[m]DCPETROS1920.0[m]DCPETROS1930.0[m]DCPETROS1940.0[m]DCPETROS1950.0[m]DCPETROS1960.0[m]DCPETROS1970.0[m]DCPETROS1980.0[m]DCPETROS1990.0[m]DCPETROS2000.0[m]DCPETROS2010.0[m]DCPETROS2020.0[m]DCPETROS2030.0[m]DCPETROS2040.0[m]DCPETROS2050.0[m]DCPETROS2060.0[m]DCPETROS2068.0[m]DCPETROS2071.0[m]DCPETROS2077.0[m]DCPETROS2083.0[m]DCPETROS2089.0[m]DCPETROS2095.0[m]DCPETROS2101.0[m]DCPETROS2107.0[m]DCPETROS2110.0[m]DCPETROS2113.0[m]DCPETROS2116.0[m]DCPETROS2119.0[m]DCPETROS2120.8[m]SWCPETROS2122.0[m]DCPETROS2123.3[m]SWCPETROS2125.0[m]DCPETROS2128.0[m]DCPETROS2130.0[m]SWCPETROS2131.0[m]DCPETROS2134.0[m]DCPETROS2136.8[m]SWCPETROS2137.0[m]DCPETROS2138.2[m]CPETROS2140.8[m]CPETROS2143.3[m]CPETROS2146.6[m]CPETROS2149.6[m]CPETROS2152.5[m]CPETROS2155.2[m]CPETROS2158.9[m]CPETROS2161.4[m]CPETROS2170.0[m]DCPETROS2176.0[m]DCPETROS2182.0[m]DCPETROS2188.0[m]DCPETROS2188.6[m]SWCPETROS2194.0[m]DCPETROS2200.0[m]DCPETROS2206.0[m]DCPETROS2209.0[m]SWCPETROS2212.0[m]DCPETROS2218.0[m]DCPETROS2224.0[m]DCPETROS2230.0[m]DCPETROS2236.0[m]DCPETROS2242.0[m]DCPETROS2248.0[m]DCPETROS2254.0[m]DCPETROS2260.0[m]DCPETROS2266.0[m]DCPETROS2272.0[m]DCPETROS2272.6[m]SWCPETROS2278.0[m]DCPETROS2284.0[m]DCPETROS2290.0[m]DCPETROS2296.0[m]DCPETROS2302.0[m]DCPETROS2308.0[m]DCPETROS2314.0[m]DCPETROS2316.6[m]SWCPETROS2320.0[m]DCPETROS2326.0[m]DCPETROS2332.0[m]DCPETROS2338.0[m]DCPETROS2344.0[m]DCPETROS2350.0[m]DCPETROS2356.0[m]DCPETROS2362.0[m]DCPETROS2368.0[m]DCPETROS2374.0[m]DCPETROS