1/6-6
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General information
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Wellbore history
GeneralWell 1/6-6 is located ca 2 km south of the Albuskjell Field in the southern Norwegian North Sea. The principal objective was to test the hydrocarbon potential of Middle and Late Jurassic sandstones on the southern flank of a faulted dip closure, partially underlying the Albuskjell Chalk Field. It was proposed to drill to a total depth of 5355 m or 200 m below the interpreted Base Late Jurassic.Operations and resultsWell 1/6-6 was spudded with the semi-submersible installation Dyvi Stena on 10 February 1992 and drilled to final TD at 5565 m (5562 m TVD), some 100 m into Triassic siltstone. The well achieved its objective, which entailed drilling 210 m deeper than plan, to a new Norwegian depth record of 5565 m RKB. Maximum pore pressure in the well was estimated to have been 2.24 sg, higher than the worst-case scenario defined by the well proposal. BHT was 190 deg C. Both pore pressure and BHT were the highest yet encountered in Norway. The well was production tested under these stringent conditions.Including additional time, the planned work scope for the well was 179.5 days. It eventually took 395 days. Of these, only 204.5 days (51.8%) was considered productive time. Five incidents accounted for 75% of lost time. These were: dropped 10-3/4" casing, failed wellhead, well control incident, failure of the HPC tieback packer and waiting on weather. The problems involved two sidetracks. The dropped 10-3/4" casing with TD at 4467 m led to the first sidetrack, which was made from kick-off at 2560 m. Then, after drilling to 3284 m and tripping out, a second sidetrack was accidentally made from 2522 m.The well was drilled with seawater and viscous sweeps to 1127 m and with gypsum / polymer mud from 1127 m to 4466 m in the first hole. The first sidetrack was drilled with gypsum/polymer mud from kick-off to TD. The second and final sidetrack was drilled with VISPLEX for sidetracking, then with HF PLUS (glycol) down to 4478 m, and with HITEMP polymer mud from 4478 m to TD.Top Paleocene was encountered at 3108 m. Weak shows were recorded in the Lista Formation. The Shetland Chalk Group was encountered at 3306 m and was 1345 m thick. The Late Jurassic Tyne Group was penetrated at 4876 m, and a "basal sand" of Early Kimmeridgian - Late Oxfordian age at 5396 m. The gross thickness of the sandstone was 61 m. There were indications of hydrocarbons in this sand, but a DST produced only water. No Middle Jurassic rocks were penetrated. Age at TD is not confirmed by biostratigraphic evidence as samples and core was barren of fossils.One ten-metre core was cut at TD in the well. During several FMT runs over the interval 5075 - 5450 m a total of 32 pressure settings were attempted, of which some 10 pressure points were considered useful. Two segregated samples were taken at 5432 and 5398 m. Both recovered only mud filtrate.The well was plugged and permanently abandoned on 8 March 1993 as a dry hole with shows.TestingThe well was tested in the interval 5396 - 5407 m. The test flowed 900 Sm3 salt-saturated formation water and 4300 Sm3 gas /day through a 32/64" choke -
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]1130.005565.00 -
Cores at the Norwegian Offshore Directorate
Cores at the Norwegian Offshore Directorate Core sample numberCore sample - top depthCore sample - bottom depthCore sample depth - uom15555.05565.0[m ]Cores at the Norwegian Offshore Directorate Total core sample length [m]10.0Cores at the Norwegian Offshore Directorate Cores available for sampling?YES -
Palynological slides at the Norwegian Offshore Directorate
Palynological slides at the Norwegian Offshore Directorate Sample depthDepth unitSample typeLaboratory1130.0[m]DCRRI1170.0[m]DCRRI1210.0[m]DCRRI1250.0[m]DCRRI1290.0[m]DCRRI1330.0[m]DCRRI1370.0[m]DCRRI1410.0[m]DCRRI1450.0[m]DCRRI1490.0[m]DCRRI1530.0[m]DCRRI1570.0[m]DCRRI1690.0[m]DCRRI1730.0[m]DCRRI1770.0[m]DCRRI1810.0[m]DCRRI1850.0[m]DCRRI1890.0[m]DCRRI1930.0[m]DCRRI1970.0[m]DCRRI2010.0[m]DCRRI2050.0[m]DCRRI2090.0[m]DCRRI2130.0[m]DCRRI2170.0[m]DCRRI2210.0[m]DCRRI2250.0[m]DCRRI2290.0[m]DCRRI2330.0[m]DCRRI2370.0[m]DCRRI2410.0[m]DCRRI2450.0[m]DCRRI2490.0[m]DCRRI2530.0[m]DCRRI2570.0[m]DCRRI2610.0[m]DCRRI2650.0[m]DCRRI2690.0[m]DCRRI2730.0[m]DCRRI2770.0[m]DCRRI2810.0[m]DCRRI2850.0[m]DCRRI2890.0[m]DCRRI2930.0[m]DCRRI2970.0[m]DCRRI3010.0[m]DCRRI3050.0[m]DCRRI3080.0[m]DCOD3090.0[m]DCRRI3100.0[m]DCRRI3109.0[m]DCRRI3121.0[m]DCRRI3130.0[m]DCRRI3139.0[m]DCRRI3151.0[m]DCRRI3160.0[m]DCRRI3169.0[m]DCRRI3181.0[m]DCRRI3190.0[m]DCRRI3199.0[m]DCRRI3211.0[m]DCRRI3220.0[m]DCRRI3229.0[m]DCRRI3241.0[m]DCRRI3250.0[m]DCRRI3259.0[m]DCRRI3271.0[m]DCRRI4876.0[m]DCPETROSTR4990.0[m]DCPETROS5107.0[m]DCPETROS5224.0[m]DCPETROS5323.0[m]DCPETROS5422.0[m]DCPETROS5555.2[m]COD5556.6[m]COD5558.2[m]COD5559.3[m]COD5561.4[m]COD5563.6[m]COD5564.3[m]COD -
Lithostratigraphy
Lithostratigraphy Top depth [mMD RKB]Lithostrat. unit9518353108310831183121330633063413380946514651468946944746484648464876530554575457 -
Drill stem tests (DST)
Drill stem tests (DST) Test numberFrom depth MD
[m]To depth MD
[m]Choke size
[mm]1.05391540712.7Drill stem tests (DST) Test numberFinal shut-in pressure
[MPa]Final flow pressure
[MPa]Bottom hole pressure
[MPa]Downhole temperature
[°C]1.048.00012.000Drill stem tests (DST) Test numberOil
[Sm3/day]Gas
[Sm3/day]Oil density
[g/cm3]Gas grav. rel.airGOR
[m3/m3]1.043000.670 -
Logs
Logs Log typeLog top depth [m]Log bottom depth [m]CBL38203920CBL GR33044172CBL VDL903190CDEN LN GR CAL30803360DIFL AC GR50205303DIFL AC GR CAL11213130DIFL GR AC52655557DIFL GR CAL AC30754467DIPLOG50505556DLL MLL GR50505556FMT33164407FMT50745378FMT50835349GR CAL25204467MFL GR CCL904404MLL DLL AC GR30803360MLL DLL AC GR CAL44725051MLL DLL AC GR CAL50255247MWD LWD - GR RES DIR1004195SWC32174420SWC32174442VSP33044172VSP40404700VSP45805290VSP51885556ZDEN CN GR11213130ZDEN CN GR30754467ZDEN CN GR52255557ZDEN CN GR CAL50405290ZDEN CN GR GYRO44725050 -
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 typeCONDUCTOR30180.036182.00.00LOTINTERM.201121.0261122.00.00LOTINTERM.142520.017 1/22522.00.00LOTINTERM.9 5/84467.012 1/43370.00.00LOTINTERM.7 5/85049.05050.00.00LOTLINER55521.08 1/25521.00.00LOT -
Drilling mud
Drilling mud Depth MD [m]Mud weight [g/cm3]Visc. [mPa.s]Yield point [Pa]Mud typeDate measured951.03200.0100.0WATER BASED12.02.1992951.03200.0WATER BASED12.02.19921321.6543.04.3WATER BASED09.03.19931471.6543.04.3WATER BASED09.03.19931471.6543.04.3WATER BASED09.03.19937611.03200.0WATER BASED12.02.19929111.0345.021.0WATER BASED19.02.199212051.0345.021.0WATER BASED24.02.199212051.0345.021.0WATER BASED24.02.199212051.0345.021.0WATER BASED24.02.199212051.0345.021.0WATER BASED24.02.199212051.0345.021.0WATER BASED24.02.199212050.00WATER BASED26.02.199212050.00WATER BASED27.02.199212050.00WATER BASED02.03.199212050.00WATER BASED03.03.199212050.00WATER BASED03.03.199212050.00WATER BASED03.03.199212051.03200.0WATER BASED14.02.199212051.03200.0WATER BASED14.02.199212051.03200.0WATER BASED17.02.199212051.03200.0WATER BASED17.02.199212051.03200.0WATER BASED17.02.199212051.0345.021.0WATER BASED24.02.199212050.00WATER BASED03.03.199212811.0576.049.0WATER BASED04.03.199214631.0669.034.0WATER BASED06.03.199216001.0669.035.0WATER BASED06.03.199218171.6069.035.0WATER BASED09.03.199219801.6545.06.2WATER BASED01.03.199319801.6545.04.3WATER BASED04.03.199319801.6542.04.3WATER BASED04.03.199319801.6542.04.3WATER BASED09.03.199319801.6545.05.3WATER BASED01.03.199319801.6542.04.3WATER BASED09.03.199320281.6074.035.0WATER BASED09.03.199220281.6068.035.0WATER BASED09.03.199223281.6547.05.3WATER BASED01.03.199323292.1958.04.8WATER BASED25.02.199323292.1952.04.8WATER BASED26.02.199323292.1958.04.8WATER BASED23.02.199323292.1958.04.8WATER BASED23.02.199323292.1958.04.8WATER BASED23.02.199323292.1958.04.8WATER BASED26.02.199323291.6074.038.0WATER BASED10.03.199224551.6568.034.0WATER BASED11.03.199225391.6550.010.0WATER BASED24.06.199225501.6574.036.0WATER BASED12.03.199226501.6574.036.0WATER BASED12.03.199226501.6562.032.0WATER BASED16.03.199227321.6541.08.0WATER BASED24.06.199227481.6562.033.0WATER BASED16.03.199227481.6562.033.0WATER BASED16.03.199227481.6562.033.0WATER BASED17.03.199227641.6562.017.0WATER BASED30.06.199229341.6546.012.0WATER BASED24.06.199229361.6562.039.0WATER BASED19.03.199229741.6561.017.0WATER BASED30.06.199230181.6565.039.0WATER BASED19.03.199230701.6565.018.0WATER BASED24.06.199231281.6565.035.0WATER BASED20.03.199231311.6561.020.0WATER BASED03.07.199231311.6564.019.0WATER BASED02.07.199231401.6563.018.0WATER BASED25.06.199231491.6557.037.0WATER BASED23.03.199231661.6555.036.0WATER BASED23.03.199231661.6560.039.0WATER BASED23.03.199232101.6561.039.0WATER BASED24.03.199232101.6561.039.0WATER BASED25.03.199232101.6561.039.0WATER BASED27.03.199232101.6555.028.0WATER BASED30.03.199232101.6555.029.0WATER BASED30.03.199232151.6560.032.0WATER BASED30.03.199232151.6556.030.0WATER BASED31.03.199232471.6561.017.0WATER BASED26.06.199232601.6558.037.0WATER BASED01.04.199232601.6556.038.0WATER BASED03.04.199232611.6552.033.0WATER BASED03.04.199232841.6559.018.0WATER BASED30.06.199232841.6557.015.0WATER BASED30.06.199232841.6559.015.0WATER BASED30.06.199232921.6562.018.0WATER BASED06.07.199233491.6563.043.0WATER BASED06.07.199233531.6561.0430.0WATER BASED07.07.199234061.6560.038.0WATER BASED07.07.199235201.6559.040.0WATER BASED07.07.199235301.6554.037.0WATER BASED06.04.199235321.6558.042.0WATER BASED06.04.199235321.6555.038.0WATER BASED06.04.199235551.6557.039.0WATER BASED07.04.199235551.6557.018.0WATER BASED09.07.199235751.6557.018.0WATER BASED13.07.199236181.6555.09.1WATER BASED13.07.199236201.6555.018.0WATER BASED14.07.199236521.6553.037.0WATER BASED08.04.199236581.6557.08.6WATER BASED14.07.199236861.6552.07.2WATER BASED14.07.199237321.5552.037.0WATER BASED09.04.199238011.6551.039.0WATER BASED10.04.199238011.6551.08.1WATER BASED15.07.199238211.6555.030.0WATER BASED13.04.199238401.6553.08.1WATER BASED15.07.199238801.6553.039.0WATER BASED13.04.199238801.6550.030.0WATER BASED14.04.199240171.6548.026.0WATER BASED14.04.199240431.6552.08.1WATER BASED16.07.199241221.6548.023.0WATER BASED22.04.199241382.1963.07.7WATER BASED22.02.199341411.6547.024.0WATER BASED22.04.199241431.6551.08.1WATER BASED22.07.199241631.6552.07.7WATER BASED22.07.199241721.6556.030.0WATER BASED22.04.199241721.6558.030.0WATER BASED22.04.199241801.6548.07.7WATER BASED22.07.199241851.6558.034.0WATER BASED22.04.199241961.6559.034.0WATER BASED22.04.199242001.6561.033.0WATER BASED22.04.199242041.6554.08.1WATER BASED22.07.199242471.6561.030.0WATER BASED23.04.199242591.6551.07.7WATER BASED22.07.199242691.6553.040.0WATER BASED22.07.199243091.6553.038.0WATER BASED23.07.199243171.6548.028.0WATER BASED23.04.199243171.6548.028.0WATER BASED24.04.199243281.6553.08.1WATER BASED24.07.199243601.6558.038.0WATER BASED27.04.199243721.6552.040.0WATER BASED27.07.199243981.6547.032.0WATER BASED27.04.199244151.65512.041.0WATER BASED27.07.199244251.6556.042.0WATER BASED27.07.199244381.6556.07.7WATER BASED29.07.199244501.6551.038.0WATER BASED27.04.199244501.6551.038.0WATER BASED28.04.199244671.6552.039.0WATER BASED29.04.199244671.6550.039.0WATER BASED04.05.199244671.6549.036.0WATER BASED04.05.199244671.6552.035.0WATER BASED04.05.199244671.6560.040.0WATER BASED11.05.199244671.6559.040.0WATER BASED11.05.199244671.6564.039.0WATER BASED11.05.199244671.6566.040.0WATER BASED13.05.199244671.6553.041.0WATER BASED30.04.199244681.6560.048.0WATER BASED03.08.199244681.6565.048.0WATER BASED04.08.199244681.6552.032.0WATER BASED11.08.199244681.6565.039.0WATER BASED13.08.199244681.6558.06.2WATER BASED31.08.199244681.6563.07.2WATER BASED31.08.199244681.6562.05.7WATER BASED31.08.199244681.6554.07.2WATER BASED30.07.199244681.6556.08.6WATER BASED30.07.199244681.6560.048.0WATER BASED03.08.199244681.6560.048.0WATER BASED03.08.199244681.6565.048.0WATER BASED03.08.199244681.6565.048.0WATER BASED05.08.199244681.6565.048.0WATER BASED10.08.199244681.6565.040.0WATER BASED10.08.199244681.6569.040.0WATER BASED11.08.199244681.6569.040.0WATER BASED11.08.199244681.6551.03.0WATER BASED13.08.199244681.6555.05.7WATER BASED31.08.199244681.656.06.7WATER BASED31.08.199244681.6562.06.7WATER BASED31.08.199244681.6561.06.2WATER BASED31.08.199244681.6561.06.2WATER BASED31.08.199244681.6558.06.2WATER BASED31.08.199244681.6558.06.2WATER BASED31.08.199244681.6558.06.2WATER BASED31.08.199244681.6558.06.2WATER BASED31.08.199244681.6563.07.2WATER BASED31.08.199244681.6559.05.7WATER BASED31.08.199244681.6562.06.7WATER BASED31.08.199244681.6562.06.7WATER BASED31.08.199244681.6559.05.7WATER BASED04.09.199244681.6563.06.7WATER BASED04.09.199244681.6561.06.7WATER BASED04.09.199244681.8146.02.4WATER BASED04.09.199244781.8148.03.8WATER BASED04.09.199244781.8151.03.8WATER BASED08.09.199244781.8151.03.8WATER BASED07.09.199245031.8148.03.3WATER BASED08.09.199245471.8149.03.8WATER BASED08.09.199245991.8149.06.7WATER BASED08.09.199246061.8149.06.2WATER BASED11.09.199246651.9554.07.7WATER BASED11.09.199247001.9558.08.6WATER BASED14.09.199247001.9561.08.6WATER BASED14.09.199247001.9558.05.3WATER BASED15.09.199247002.0053.02.9WATER BASED18.09.199247001.9558.05.3WATER BASED15.09.199247001.9956.02.9WATER BASED18.09.199247632.0659.05.7WATER BASED18.09.199247802.0165.07.7WATER BASED21.09.199248162.1059.078.1WATER BASED22.09.199248442.1055.08.1WATER BASED22.09.199248492.1756.011.5WATER BASED22.09.199248692.1958.03.3WATER BASED24.09.199248692.1958.03.3WATER BASED24.09.199249072.1956.06.2WATER BASED24.09.199249312.2160.06.7WATER BASED30.09.199249312.2156.06.2WATER BASED25.09.199249312.2156.06.2WATER BASED30.09.199249512.2154.08.6WATER BASED30.09.199249872.2260.09.6WATER BASED30.09.199250202.2260.08.6WATER BASED30.09.199250502.2356.08.1WATER BASED02.10.199250502.2556.09.0WATER BASED05.10.199250502.2554.010.0WATER BASED07.10.199250502.2563.010.0WATER BASED07.10.199250502.2568.010.0WATER BASED07.10.199250502.2571.08.1WATER BASED08.10.199250502.2570.07.2WATER BASED08.10.199250502.2594.07.7WATER BASED12.10.199250502.2591.09.1WATER BASED12.10.199250502.2565.09.1WATER BASED12.10.199250502.2563.05.7WATER BASED12.10.199250502.2570.04.8WATER BASED14.10.199250502.2570.04.3WATER BASED16.10.199250502.2356.08.6WATER BASED02.10.199250502.2594.07.7WATER BASED12.10.199250502.2570.04.3WATER BASED16.10.199250532.2574.03.3WATER BASED19.10.199250692.2571.04.3WATER BASED19.10.199250692.2571.03.8WATER BASED19.10.199250882.2570.02.9WATER BASED20.10.199251052.2573.04.8WATER BASED22.10.199251342.2574.04.8WATER BASED22.10.199251532.2572.04.3WATER BASED23.10.199251622.2568.03.8WATER BASED23.10.199251862.2568.04.8WATER BASED26.10.199252222.2570.06.7WATER BASED26.10.199252492.2570.05.7WATER BASED27.10.199252932.2570.06.2WATER BASED28.10.199253382.2563.06.7WATER BASED28.10.199253502.2562.06.7WATER BASED30.10.199253502.2562.07.2WATER BASED30.10.199253502.2559.07.2WATER BASED03.11.199253502.2559.06.2WATER BASED03.11.199253502.2374.04.8WATER BASED03.11.199253502.2559.04.3WATER BASED03.11.199253972.1947.04.3WATER BASED10.11.199254172.2573.04.3WATER BASED05.11.199254732.2573.04.3WATER BASED10.11.199255222.2556.07.7WATER BASED10.11.199255502.2554.05.7WATER BASED10.11.199255552.2551.04.8WATER BASED10.11.199255552.2047.04.3WATER BASED11.11.199255552.2046.03.8WATER BASED13.11.199255552.2046.03.8WATER BASED13.11.199255552.2074.04.8WATER BASED17.11.199255552.2052.05.7WATER BASED17.11.199255552.2551.04.8WATER BASED10.11.199255642.2057.05.7WATER BASED18.11.199255642.2068.03.3WATER BASED23.11.199255642.2058.03.3WATER BASED24.11.199255642.2062.06.2WATER BASED18.11.199255642.2066.07.7WATER BASED19.11.199255642.2058.03.8WATER BASED23.11.199255642.2068.03.8WATER BASED23.11.199255642.2060.04.3WATER BASED23.11.199255652.2068.03.8WATER BASED25.11.199255652.2055.03.8WATER BASED27.11.199255652.2059.04.3WATER BASED27.11.199255652.2071.03.8WATER BASED30.11.199255652.2053.03.8WATER BASED01.12.199255652.2055.03.8WATER BASED01.12.199255652.2063.04.3WATER BASED01.12.199255652.2055.02.9WATER BASED02.12.199255652.2055.02.4WATER BASED03.12.199255652.2054.02.9WATER BASED03.12.199255652.2055.02.9WATER BASED07.12.199255652.2055.02.9WATER BASED08.12.199255652.2055.02.9WATER BASED08.12.199255652.2061.02.9WATER BASED08.12.199255652.2061.02.9WATER BASED09.12.199255652.2065.02.4WATER BASED11.12.199255652.2061.02.9WATER BASED14.12.199255652.2058.02.9WATER BASED14.12.199255652.2060.03.8WATER BASED17.12.199255652.2058.03.8WATER BASED17.12.199255652.2058.04.8WATER BASED18.12.199255652.2067.03.3WATER BASED18.12.199255652.2066.04.3WATER BASED22.12.199255652.2053.02.9WATER BASED22.12.199255652.2052.02.9WATER BASED29.12.199255652.2050.01.9WATER BASED29.12.199255652.2047.01.9WATER BASED29.12.199255652.2074.05.7WATER BASED29.12.199255652.2065.04.8WATER BASED29.12.199255652.2061.02.9WATER BASED29.12.199255652.2060.02.9WATER BASED04.01.199355652.2058.02.9WATER BASED04.01.199355652.2059.03.3WATER BASED04.01.199355652.2064.02.9WATER BASED04.01.199355652.2066.04.8WATER BASED04.01.199355652.2067.04.3WATER BASED07.01.199355652.2063.04.3WATER BASED07.01.199355652.2060.04.3WATER BASED13.01.199355652.2057.04.3WATER BASED13.01.199355652.2057.04.3WATER BASED13.01.199355652.2054.03.8WATER BASED13.01.199355652.2054.03.8WATER BASED13.01.199355652.2054.03.8WATER BASED13.01.199355652.2054.03.8WATER BASED15.01.199355652.2054.03.8WATER BASED19.01.199355652.2054.03.8WATER BASED19.01.199355652.2054.03.8WATER BASED25.01.199355652.2054.03.8WATER BASED25.01.199355652.2054.03.8WATER BASED25.01.199355652.2054.03.8WATER BASED25.01.199355652.2054.03.8WATER BASED26.01.199355652.2054.03.8WATER BASED27.01.199355652.2054.03.8WATER BASED28.01.199355652.2053.04.8WATER BASED28.01.199355652.2053.04.8WATER BASED01.02.199355652.2053.04.8WATER BASED01.02.199355652.2053.04.8WATER BASED02.02.199355652.2053.04.8WATER BASED03.02.199355652.2051.02.4WATER BASED03.02.199355652.2051.02.4WATER BASED08.02.199355652.2053.02.4WATER BASED08.02.199355652.2056.02.9WATER BASED10.02.199355652.2054.02.9WATER BASED10.02.199355652.2056.03.8WATER BASED10.02.199355652.2052.03.3WATER BASED10.02.199355652.2049.03.8WATER BASED12.02.199355652.2049.03.8WATER BASED15.02.199355652.2052.04.3WATER BASED15.02.199355652.2052.04.3WATER BASED15.02.199355652.2058.08.1WATER BASED18.02.199355652.2055.05.7WATER BASED18.02.199355652.2055.05.7WATER BASED18.02.199355652.2055.05.7WATER BASED22.02.199355652.2057.02.9WATER BASED10.12.199255652.2056.02.9WATER BASED14.12.199255652.2059.02.9WATER BASED14.12.199255652.2055.03.8WATER BASED22.12.199255652.2053.02.9WATER BASED29.12.199255652.2072.03.8WATER BASED29.12.199255652.2064.02.9WATER BASED04.01.199355652.2053.03.8WATER BASED13.01.199355652.2054.03.8WATER BASED18.01.199355652.2054.03.8WATER BASED19.01.199355652.2052.02.9WATER BASED03.02.199355652.2050.02.4WATER BASED12.02.199355652.1966.04.3WATER BASED23.02.1993