Well Stratigraphy

Well Registration Number 12/21- 4 Interpretation Composite Date Coded 10/10/1989 Depth Units Feet Datum KB Datum Elevation 113.00 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 251.0 0.00 0.00 794 * * * 0 * 0                 N     SEABED 1045.0 0.00 0.00 1989 UNDF UNDF KL 0 KL 0 CLST 40.00 SDST 30.00 SLST 20.00 LMST 10.00 N     FIRST RETURN 3034.0 2,921.00 0.00 71 UHSM UHSM KL 0 KL 0 CLST 100.00             N       3105.0 2,992.00 0.00 32 SLTM SLTM KL 0 KL 0 CLST 100.00             N       3137.0 3,034.00 0.00 279 RYSD RYSD KL 0 KL 0 SDST 65.00 CLST 30.00 LMST 5.00     N       3416.0 3,303.00 0.00 371 SLTM SLTM JV 0 JV 0 CLST 90.00 LMST 10.00         N       3787.0 3,654.00 0.00 247 UPSM UPSM JV 0 JV 0 SDST 90.00 CLST 10.00         N   OS   4034.0 3,921.00 0.00 480 SLTM SLTM JV 0 JV 0 CLST 85.00 SDST 5.00 LMST 5.00 DOLO 5.00 N   OS   4514.0 4,401.00 0.00 230 LSSM LSSM JV 0 JV 0 SDST 70.00 SLST 10.00 CLST 10.00 LMST 10.00 N   OS   4744.0 4,631.00 0.00 639 SLTM SLTM JV 0 JV 0 SLST 40.00 CLST 35.00 DOLO 15.00 SDST 10.00 N       5383.0 5,270.00 0.00 282 LHSM LHSM JV 0 JV 0 CLST 95.00 SDST 5.00         N   OS   5665.0 0.00 0.00 188 LHSM LHSM JK 0 JK 0 CLST 80.00 SDST 20.00         N   OS   5853.0 5,740.00 0.00 44 HEAT HEAT JK 0 JO 0 CLST 95.00 DOLO 5.00         N       5897.0 0.00 0.00 471 HEAT HEAT JO 0 JO 0 CLST 90.00 DOLO 10.00         N       6368.0 6,255.00 0.00 88 RHAX RHAX JO 0 JO 0 SDST 100.00             N   OS   6456.0 6,337.00 0.00 244 HEAT HEAT JO 0 JO 0 CLST 100.00             N       6700.0 0.00 0.00 30 HEAT HEAT JC 0 JC 0 CLST 100.00             N       6730.0 6,617.00 0.00 80 ABSD ABSD JC 0 JC 0 SDST 60.00 CLST 40.00         N       6810.0 6,697.00 0.00 58 ABSD ABSD JC 0 JC 0 SDST 60.00 SLST 30.00 CLST 10.00     N       6868.0 6,755.00 0.00 211 BCOL BCOL JN 0 J 0 CLST 60.00 SDST 25.00 SLST 10.00 COAL 5.00 N       7079.0 6,966.00 0.00 145 HISD HISD JT 0 JP 0 SDST 80.00 SLST 10.00 CLST 10.00     N       7224.0 7,113.00 0.00 86 LAWS LAWS JP 0 JS 0 CLST 100.00             N U     7310.0 7,197.00 0.00 113 JSAN JSAN JS 0 JH 0 SDST 70.00 CLST 30.00         N U     7423.0 7,310.00 0.00 244 TRBS TRBS JH 0 TR 0 CLST 95.00 SDST 5.00         N       7667.0 7,554.00 0.00 142 CHER CHER T 0 T 0 SLST 60.00 CLST 20.00 SDST 10.00 CHRT 10.00 N       7809.0 0.00 0.00 8 CHER CHER * 0 * 0                 N     TD DRILLER 7817.0 0.00 0.00 0 CHER CHER * 0 * 0                 N     TD LOGGER