Well Stratigraphy

Well Registration Number 15/21a- 20 Interpretation Composite Date Coded 09/01/1989 Depth Units Feet Datum KB Datum Elevation 90.00 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 554.0 0.00 0.00 1376     * 0 * 0                 N       1930.0 0.00   510 HORD HORD GO 0 GO 0 SLST 90.00 SDST 10.00         N     TOP SAMPLE 2440.0 0.00 0.00 1980 HORD HORD GE 0 GE 0 CLST 50.00 SLST 25.00 SDST 20.00 LMST 5.00 N       4420.0 0.00 1,365.00 438 ROGA ROGA GP 0 GP 0 CLST 50.00 SLST 30.00 SDST 15.00 LMST 5.00 N       4858.0 0.00 1,483.00 330 DORN DORN GP 0 GP 0 CLST 50.00 SLST 10.00 SDST 40.00     N       5188.0 0.00 1,566.00 456 FERB FERB GP 0 GP 0 CLST 70.00 SDST 20.00 SLST 10.00     N       5644.0 0.00 1,683.00 803 FERA FERA GP 0 GP 0 SDST 75.00 CLST 24.00 LMST 1.00     N       6447.0 0.00 1,879.00 1193 ANDR ANDR GP 0 GP 0 SDST 90.00 CLST 7.00 LMST 3.00     N       7640.0 0.00 2,112.00 343 MAUR MAUR GP 0 GP 0 SDST 80.00 LMST 5.00 MARL 15.00     N       7983.0 0.00 2,171.00 125 EKOF EKOF GF 0 GF 0 LMST 100.00             N       8108.0 0.00 2,187.00 662 TORF TORF KM 0 KM 0 LMST 95.00 CLST 5.00         N       8770.0 0.00 2,277.00 826 FLND FLND KC 0 KO 0 LMST 75.00 MARL 25.00         N       9596.0 0.00 2,400.00 167 HERR HERR KT 0 KT 0 LMST 90.00 MARL 10.00         N       9763.0 0.00 2,425.00 40 PLNM PLNM KT 0 KT 0 MARL 100.00             N       9803.0 0.00 2,432.00 167 HIDR HIDR KE 0 KA 0 LMST 75.00 MARL 25.00         N       9970.0 0.00 2,460.00 154 RODB RODB KA 0 KA 0 MARL 50.00 CLST 50.00         N       10124.0 0.00 2,489.00 154 SOLA SOLA KA 0 KA 0 SLST 50.00 CLST 50.00         N       10278.0 0.00 0.00 22 VALH VALH KP 0 KP 0 SLST 80.00 LMST 20.00         N U     10300.0 0.00 2,525.00 115 UTVI UTVI KB 0 KH 0 CLST 50.00 LMST 50.00         N       10415.0 0.00 2,544.00 1897 * * JV 0 JV 0 CLST 93.00 SLST 5.00 LMST 2.00     N U     12312.0 0.00 2,940.00 538 PISA PISA JO 0 JO 0 SDST 80.00 SLST 20.00         N   OGS   12850.0 0.00 3,019.00 494 PISH PISH JO 0 JO 0 CLST 70.00 SLST 20.00 COAL 10.00     N   OGS   13344.0 0.00 3,120.00 96 RATT RATT JM 0 JM 0 TUFF 100.00             N       13440.0 0.00 0.00 0 RATT RATT * 0 * 0                 N     TOTAL DEPTH