Well Stratigraphy

Well Registration Number 15/21b- 45 Interpretation Composite Date Coded 18/06/2001 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 529.0     1091 NORD   QH 0 NB 0 SLST 74.00 CLST 21.00 SAND 5.00     N     SEABED 1620.0     237 NORD   QH 0 NB 0 GLSL 52.00 SLST 38.00 GLUS 10.00     N     FIRST RETURNS 1857.0   626.00 563 HORD   GU 0 GW 0 SLST 32.00 SAND 26.00 GLUS 22.00 GLSL 20.00 N       2420.0   796.00 642 HORF   GA 0 GL 0 SLST 64.00 SDST 30.00 DOLO 3.00 GLSL 3.00 N       3062.0   978.00 59 BALD   GY 0   0 SLST 60.00 CLST 30.00 SDST 10.00     N U     3121.0   998.00 21 BEAU   GY 0   0 SAND 100.00             N   OS   3142.0     39 BEAU   GY 0   0 SAND 50.00 SLST 35.00 CLST 15.00     N   OS OWC 3181.0   1,014.00 280 DORN   GY 0   0 SAND 75.00 SLST 15.00 CLST 10.00     N   OS   3461.0   1,075.00 244 SELE   GY 0   0 SLST 60.00 SAND 40.00         N       3705.0   1,151.00 261 SECF   GY 0 GT 0 CLST 86.00 SLST 11.00 SAND 2.00 DOLO 1.00 N       3966.0   1,224.00 46 SFSA   GT 0   0 SDST 75.00 CLST 25.00         N   OS CORED 4012.0     58 SFSA   GT 0   0 SDST 75.00 CLST 25.00         N   OW GOW CORED 4070.0     414 SFSA   GT 0   0 SDST 83.00 CLST 10.00 DOLO 6.00 COAL 1.00 N     OWC CORED 4484.0   1,356.00 328 LIST   GT 0   0 CLST 90.00 DOLO 5.00 SDST 3.00 LMST 2.00 N       4812.0   1,447.00 83 BMOR   GT 0   0 SDST 54.00 CLST 40.00 DOLO 6.00     N       4895.0   1,467.00 141 GLAM   GT 0   0 CLST 56.00 SDST 37.00 TFSS 6.00 LMST 1.00 N       5036.0   1,500.00 604 LIAN   GT 0   0 SDST 73.00 CLST 15.00 LMST 11.00 CLCL 1.00 N       5640.0 5,557.00 1,621.00 398 MAUR   GT 0   0 SDST 75.00 LMST 20.00 CLST 3.00 CLCL 2.00 N       6038.0 5,954.00 1,697.00 12 TORF   KM 0   0 LMST 100.00             N       6050.0 5,966.00 1,697.00 27 CK   KU 0   0 LMST 100.00             N       6077.0 5,993.00 1,700.00 135 FRTH   AS 0   0 CLST 53.00 SDST 38.00 COAL 8.00 DOLM 1.00 N U     6212.0 6,128.00 1,723.00 288 PPTY   CL 0 D 0 SDST 40.00 CLST 32.00 TUFF 25.00 SLST 3.00 N   OS   6500.0     0 PPTY   * 0   0                 N     NB 529' - 1620' LITHOLOGY INFERRED FROM GAMMA RAY LOG