Well Stratigraphy

Well Registration Number 12/23- 3A Interpretation Composite Date Coded 11/10/1989 Depth Units Feet Datum KB Datum Elevation 82.00 Loggers TD 0.00 TWT Scale   Thickness Type   Comment     Litho Stratigraphy Chronostraigraphy Lithology Components   Top Down Hole Depth Top Vertical Depth (MSL) Top TWT (msec) Thickness Upper Litho Lower Litho Upper Chrono   Lower Chrono   1 % 2 % 3 % 4 % Cored Nature Of Top Hydro carbon Present Notes 262.0 0.00 0.00 1378 UNDF UNDF QH 0 K 0                 N     SEABED 1640.0 0.00 0.00 115 VALH VALH KB 0 KB 0 CLST 100.00             N     FIRST RETURN 1755.0 1,673.00 473.00 1445 WKBM WKBM KB 0 KB 0 SDST 55.00 CLST 20.00 SLST 20.00 LMST 5.00 N       3200.0 0.00 0.00 150 WKBM WKBM KB 0 KH 0 SDST 80.00 LMST 20.00         N       3350.0 0.00 0.00 901 WKBM WKBM KH 0 KH 0 SDST 70.00 LMST 20.00 CLST 10.00     N   OS   4251.0 4,169.00 1,047.00 139 VALH VALH KH 0 KH 0 MARL 100.00             N       4390.0 0.00 0.00 106 VALH VALH KV 0 KV 0 MARL 60.00 CLST 20.00 SLST 20.00     N   GS   4496.0 4,414.00 1,094.00 44 WKAM WKAM KV 0 KV 0 SDST 80.00 CLST 20.00         N       4540.0 4,458.00 1,103.00 75 VALH VALH KV 0 KV 0 CLST 60.00 SDST 30.00 LMST 10.00     N       4615.0 0.00 0.00 55 VALH VALH KZ 0 KZ 0 MARL 80.00 SDST 20.00         N       4670.0 4,588.00 1,127.00 31 KIMM KIMM KZ 0 KZ 0 CLST 90.00 LMST 10.00         N       4701.0 4,619.00 0.00 449 CLSS CLSS KZ 0 KZ 0 SDST 55.00 CLST 40.00 LMST 5.00     N   OS   5150.0 5,068.00 0.00 1790 CLSS CLSS JV 0 JV 0 SDST 80.00 CLST 10.00 LMST 10.00     N   OS   6940.0 6,858.00 1,518.00 44 KIMM KIMM JK 0 JO 0 CLST 90.00 SLST 10.00         N U     6984.0 6,902.00 0.00 7 HEAT HEAT JO 0 JO 0 CLST 100.00             N       6991.0 6,909.00 0.00 29 UPPA UPPA JO 0 JO 0 CLST 90.00 LMST 10.00         N U     7020.0 0.00 0.00 16 UPPA UPPA JC 0 JC 0 CLST 90.00 LMST 10.00         N       7036.0 6,954.00 0.00 29 CARM CARM JC 0 JC 0 SDST 40.00 SLST 30.00 CLST 30.00     N   OS   7065.0 6,983.00 0.00 49 BCOL BCOL JN 0 JN 0 CLST 65.00 SLST 30.00 COAL 5.00     N   OS   7114.0 7,032.00 1,551.00 18 CHER CHER T 0 T 0 LMST 90.00 CHRT 10.00         N U     7132.0 7,050.00 0.00 574 LOHF LOHF T 0 T 0 SDST 40.00 SLST 30.00 CLST 30.00     N   OS   7706.0 7,624.00 1,642.00 241 HPMN HPMN T 0 T 0 SDST 85.00 CLST 10.00 ANHY 5.00     N   OS   7947.0 7,865.00 1,674.00 278 HALB HALB PU 0 PU 0 DOLO 40.00 CLST 40.00 SDST 10.00 ANHY 10.00 N   OS   8225.0 8,143.00 1,714.00 261 ROTL ROTL PL 0 PL 0 SDST 90.00 CLST 10.00         N   OS   8486.0 0.00 0.00 8 ROTL ROTL * 0 * 0                 N     TD LOGGER 8494.0 0.00 0.00 0 ROTL ROTL * 0 * 0                 N     TD DRILLER