Well Stratigraphy

Well Registration Number 23/26a- 12Z Interpretation Composite Date Coded 09/05/1990 Depth Units Feet Datum KB Datum Elevation 85.30 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 0.0 0.00 0.00 358 * * * 0 * 0                 N     MSL 357.6 0.00 0.00 1509 * * * 0 * 0                 N     SEA BED 1866.9 0.00 0.00 5197 NORD HORD Q 0 GP 0 CLAY 80.00 LMST 10.00 DOLO 5.00 SDST 5.00 N     FIRST RETURNS 7064.0 6,973.77 0.00 56 BALD BALD GP 0 GP 0 TUFF 100.00             N       7119.8 7,029.54 0.00 51 SELE SELE GP 0 GP 0 CLAY 100.00             N       7170.3 7,080.07 0.00 53 MONT MONT GP 0 GP 0 SDST 90.00 LMST 10.00         N   O   7223.1 7,132.89 0.00 454 TORF TORF KU 0 KU 0 CHLK 100.00             N   O   7677.5 7,585.67 0.00 138 HODF HODF KU 0 KU 0 CHLK 100.00             N       7815.3 7,721.83 0.00 169 CRKN CRKN KL 0 KL 0 SHAL 70.00 LMST 30.00         N       7984.3 7,889.16 0.00 146 ZECH ZECH PU 0 PU 0 HALI 100.00             N       8130.3 0.00 0.00 0 ZECH ZECH * 0 * 0                 N     DRILLER