Well Stratigraphy

Well Registration Number 73/01- 1A Interpretation Composite Date Coded 30/10/1989 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 559.0 477.00 0.00 1191     * 0 * 0                 N     SEABED 1750.0 0.00 0.00 339 * * GU 0 GU 0 SDST 85.00 LMST 15.00         N     FIRST RETURN 2089.0 0.00 0.00 114 * * GV 0 GV 0 CLST 60.00 SDST 30.00 LMST 10.00     N       2203.0 0.00 0.00 893 * * GL 0 GL 0 SDST 90.00 LMST 10.00         N     DEPTH MEASURED 3096.0 0.00 0.00 324 * * GY 0 GY 0 CLST 95.00 SLST 5.00         N     DEPTH MEASURED 3420.0 0.00 0.00 38 * * GK 0 GK 0 CLST 50.00 SDST 50.00         N U   DEPTH MEASURED 3458.0 0.00 0.00 89 CK CK GD 0 GD 0 CHLK 90.00 CHRT 10.00         N     TOP CHALK 3547.0 0.00 0.00 163 CK CK KM 0 KM 0 CHLK 90.00 CHRT 10.00         N     DEPTH MEASURED 3710.0 0.00 0.00 540 CK CK KC 0 KC 0 CHLK 90.00 CHRT 10.00         N     DEPTH MEASURED 4250.0 0.00 0.00 779 CK CK KC 0 KC 0 CHLK 90.00 CHRT 10.00         N       5029.0 0.00 0.00 233 * * KA 0 KA 0 TFCL 55.00 BASA 40.00 CLST 3.00 SDST 2.00 N     BASE CHALK 5262.0 0.00 0.00 421 * * JS 0 JS 0 CLST 60.00 LMST 30.00 SLST 10.00     N     MID CERT UNC 5683.0 0.00 0.00 875 * * JH 0 JH 0 LMST 50.00 CLST 43.00 SLST 5.00 SAND 2.00 N     DEPTH MEASURED 6558.0 0.00 0.00 50 HESA HESA JH 0 JH 0 SDST 100.00             N       6608.0 0.00 0.00 287 * * JH 0 JH 0 CLST 60.00 LMST 40.00         N     BASE JURASSIC 6895.0 0.00 0.00 230 * * TR 0 TR 0 CLST 95.00 ANHY 5.00         N       7125.0 0.00 0.00 571 * * TR 0 TN 0 CLST 90.00 HALI 5.00 GYPS 5.00     N     DEPTH MEASURED 7696.0 7,614.00 0.00 0 * * * 0 * 0                 N     TD DRILLER