Well Stratigraphy

Well Registration Number 12/21- 2 Interpretation Composite Date Coded 09/10/1989 Depth Units Feet Datum KB Datum Elevation 105.00 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 235.0 0.00 0.00 900 * * * 0 * 0                 N     SEABED 1135.0 0.00 0.00 305 VALH VALH KB 0 KB 0 SLST 95.00 LMST 5.00         N     FIRST RETURN 1440.0 0.00 0.00 1200 VALH VALH KH 0 KH 0 SLST 70.00 CLST 15.00 SDST 10.00 LMST 5.00 N       2640.0 0.00 0.00 260 VALH VALH KV 0 KV 0 SLST 85.00 CLST 10.00 SDST 5.00     N       2900.0 0.00 0.00 45 VALH VALH KZ 0 KZ 0 SLST 100.00             N       2945.0 2,840.00 767.00 51 UHSM UHSM KZ 0 KZ 0 CLST 100.00             N       2996.0 2,891.00 0.00 154 SLTM SLTM KZ 0 KZ 0 SLST 65.00 SDST 20.00 CLST 10.00 LMST 5.00 N   OS   3150.0 0.00 0.00 2045 SLTM SLTM JV 0 JV 0 SLST 65.00 SDST 20.00 CLST 10.00 LMST 5.00 N       5195.0 5,090.00 1,205.00 305 BLAS BLAS JV 0 JV 0 CLST 90.00 SLST 5.00 SDST 5.00     N     = LHSM 5500.0 0.00 0.00 420 BLAS BLAS JK 0 JK 0 CLST 90.00 SLST 5.00 SDST 5.00     N   OS = CHSM 5920.0 5,815.00 1,348.00 60 OXC OXC JK 0 JK 0 CLST 90.00 SLST 10.00         N       5980.0 0.00 0.00 130 OXC OXC JK 0 JO 0 CLST 90.00 SLST 10.00         N       6110.0 0.00 0.00 489 OXC OXC JO 0 JO 0 CLST 85.00 SLST 10.00 LMST 5.00     N       6599.0 6,494.00 1,488.00 91 OXSD OXSD JO 0 JO 0 SDST 90.00 CLST 10.00         N   OS   6690.0 0.00 0.00 270 OXC OXC JO 0 JO 0 CLST 90.00 SLST 10.00         N       6960.0 0.00 0.00 49 OXC OXC JC 0 JC 0 CLST 90.00 SLST 10.00         N       7009.0 6,904.00 1,559.00 61 ABSD ABSD JC 0 JC 0 SDST 90.00 SLST 5.00 LMST 5.00     N   OS   7070.0 6,965.00 0.00 28 MISH MISH JC 0 JC 0 CLST 100.00             N       7098.0 6,993.00 0.00 70 ABSD ABSD JC 0 JC 0 SDST 80.00 CLST 10.00 LMST 10.00     N   OS   7168.0 7,063.00 0.00 353 BCOL BCOL JN 0 JB 0 SDST 50.00 SLST 40.00 CLST 5.00 COAL 5.00 N   OS   7521.0 7,416.00 0.00 28 HISD HISD JN 0 JB 0 SDST 90.00 CLST 10.00         N   OS   7549.0 7,444.00 0.00 127 HISD HISD JN 0 JB 0 SDST 90.00 CLST 10.00         N   OS   7676.0 7,571.00 0.00 78 LAWS LAWS JP 0 JS 0 CLST 80.00 SLST 20.00         N U     7754.0 7,649.00 0.00 176 JSAN JSAN JS 0 JH 0 SDST 60.00 CLST 40.00         N       7930.0 7,825.00 0.00 195 RHAE RHAE JH 0 TR 0 CLST 90.00 LMST 10.00         N       8125.0 8,020.00 1,731.00 53 CHER CHER T 0 T 0 LMST 90.00 CHRT 10.00         N       8178.0 0.00 0.00 1016 TRIG TRIG T 0 T 0 SDST 40.00 SLST 30.00 CLST 30.00     N   OS   9194.0 9,089.00 1,885.00 195 ZECH ZECH PU 0 PU 0 CLST 50.00 SLST 30.00 SDST 15.00 DOLO 5.00 N   OS   9389.0 9,284.00 1,912.00 2065 ROTL ROTL PL 0 PL 0 SDST 60.00 SLST 20.00 CLST 10.00 DOLO 10.00 N   OS   11454.0 11,349.00 2,190.00 86 CALE CALE C 0 PG 0 BREC 100.00             N     IGNEOUS 11540.0 0.00 0.00 4 CALE CALE * 0 * 0                 N     TD DRILLER 11544.0 0.00 0.00 0 CALE CALE * 0 * 0                 N     TD LOGGER