title 'Development of the Niger Delta basin' nx = 30; delta_z = 800 m y_LHS = 10 cm; y_RHS = 1 cm press_increase = 5; temp_increase = 5 tti = continuous vitrinite = on rock ss A_perm = 15.5; B_perm = -5 log_darcy; p_kxkz = 2.5 rock sh A_perm = 8; B_perm = -8 log_darcy; p_kxkz = 10 end_rock width = 432 km x_well(km) 6 56 76 121 161 186 216 \ 251 276 306 336 366 396 426 heat_flow = 1.5 HFU; relief = off X_average = geometric, Z_average = harmonic strat 'pre-Eocene' t_dep = -55 m.y. thickness = 10 m; X(sh) = 1.0 column water_depth(km) w(1:8) 2.60 w(9) 2.56 w(10) 2.37 w(11) 2.04 w(12) 1.61 w(13) 1.14 w(14) 0.70 strat 'Early Eocene' t_dep = -49.5 m.y. column thickness(km) water_depth(km) X(ss) X(sh) w(1:4) 0.0 2.600 0.0 1.0 w(5) 0.064 2.536 " " w(6) 0.239 2.361 " " w(7) 0.574 2.026 " " w(8) 1.081 1.519 " " w(9) 1.435 1.128 " " w(10) 1.688 0.682 " " w(11) 1.722 0.317 " " w(12) 1.722 0.079 " " w(13) 1.700 0.0 0.10 0.90 w(14) 0.800 -0.009 0.0 1.0 strat 'Lower Middle Eocene' t_dep = -46.5 m.y. column thickness(km) water_depth(km) X(ss) X(sh) w(1:3) 0.0 2.600 0.0 1.0 w(4) 0.010 2.590 " " w(5) 0.171 2.365 " " w(6) 0.265 2.096 " " w(7) 0.346 1.679 " " w(8) 0.383 1.136 " " w(9) 0.400 0.759 " " w(10) 0.450 0.375 " " w(11) 0.550 0.111 " " w(12) 0.800 0.002 0.10 0.90 w(13) 1.000 -0.007 0.82 0.18 w(14) 0.284 -0.022 0.22 0.78 strat 'Upper Middle Eocene' t_dep = -42.5 m.y. column thickness(km) water_depth(km) X(ss) X(sh) w(1:2) 0.0 2.600 0.0 1.0 w(3) 0.002 2.598 " " w(4) 0.135 2.455 " " w(5) 0.320 2.045 " " w(6) 0.401 1.694 " " w(7) 0.450 1.229 " " w(8) 0.475 0.703 " " w(9) 0.550 0.386 " " w(10) 0.700 0.118 " " w(11) 1.400 0.003 0.05 0.95 w(12) 1.200 -0.007 0.72 0.28 w(13) 0.491 -0.021 1.0 0.0 w(14) 0.113 -0.049 0.50 0.50 strat 'Late Eocene' t_dep = -39.5 m.y. column thickness(km) water_depth(km) X(ss) X(sh) w(1:2) 0.0 2.600 0.0 1.0 w(3) 0.044 2.554 " " w(4) 0.151 2.304 " " w(5) 0.240 1.805 " " w(6) 0.269 1.425 " " w(7) 0.271 0.958 " " w(8) 0.305 0.474 " " w(9) 0.425 0.213 " " w(10) 0.850 0.031 " " w(11) 1.400 -0.003 0.5 0.5 w(12) 0.620 -0.014 1.0 0.0 w(13) 0.254 -0.035 " " w(14) 0.027 -0.075 " " strat 'Early Oligocene' t_dep = -31.75 m.y. column thickness(km) water_depth(km) X(ss) X(sh) w(1) 0.0 2.600 0.0 1.0 w(2) 0.005 2.595 " " w(3) 0.082 2.472 " " w(4) 0.165 2.138 " " w(5) 0.224 1.581 " " w(6) 0.235 1.190 " " w(7) 0.250 0.738 " " w(8) 0.500 0.306 " " w(9) 1.000 0.102 " " w(10) 2.300 0.001 0.02 0.98 w(11) 1.300 -0.008 0.95 0.05 w(12) 0.526 -0.023 1.0 0.0 w(13) 0.077 -0.052 " " w(14) 0.026 -0.100 " " strat 'Late Oligocene' t_dep = -24.75 m.y. column thickness(km) water_depth(km) X(ss) X(sh) w(1) 0.0 2.600 0.0 1.0 w(2) 0.033 2.562 " " w(3) 0.102 2.370 " " w(4) 0.166 1.973 " " w(5) 0.202 1.378 " " w(6) 0.225 0.989 " " w(7) 0.400 0.562 " " w(8) 0.660 0.187 " " w(9) 1.911 0.038 " " w(10) 1.290 -0.002 0.55 0.45 w(11) 0.620 -0.013 1.0 0.0 w(12) 0.340 -0.034 " " w(13) 0.020 -0.072 " " w(14) 0.0 -0.100 " " strat 'Early Miocene' t_dep = -19 m.y. column thickness(km) water_depth(km) X(ss) X(sh) w(1) 0.0 2.600 0.0 1.0 w(2) 0.171 2.392 " " w(3) 0.299 2.070 " " w(4) 0.400 1.573 " " w(5) 0.428 0.951 " " w(6) 0.450 0.594 " " w(7) 0.700 0.253 " " w(8) 1.600 0.029 " " w(9) 1.921 -0.002 0.47 0.53 w(10) 1.304 -0.012 0.80 0.20 w(11) 0.500 -0.031 1.0 0.0 w(12) 0.140 -0.068 " " w(13) 0.028 -0.100 " " w(14) 0.0 -0.100 " " strat 'Lower Middle Miocene' t_dep = -14.5 m.y. column thickness(km) water_depth(km) X(ss) X(sh) w(1) 0.061 2.539 0.0 1.0 w(2) 0.296 2.096 " " w(3) 0.391 1.679 " " w(4) 0.437 1.136 " " w(5) 0.396 0.555 " " w(6) 0.800 0.272 " " w(7) 1.600 0.057 " " w(8) 2.507 -0.002 0.55 0.45 w(9) 1.520 -0.011 0.80 0.20 w(10) 0.760 -0.030 1.0 0.0 w(11) 0.213 -0.064 " " w(12) 0.032 -0.100 " " w(13:14) 0.0 -0.100 " " strat 'Upper Middle Micoene' t_dep = -11.5 m.y. column thickness(km) water_depth(km) X(ss) X(sh) w(1) 0.118 2.421 0.0 1.0 w(2) 0.248 1.848 " " w(3) 0.285 1.394 " " w(4) 0.282 0.854 " " w(5) 0.500 0.337 " " w(6) 1.060 0.121 " " w(7) 1.500 0.003 0.19 0.81 w(8) 1.500 -0.008 0.80 0.20 w(9) 0.740 -0.021 1.0 0.0 w(10) 0.550 -0.048 " " w(11) 0.035 -0.100 " " w(12:14) 0.0 -0.100 " " strat 'Lower Late Miocene' t_dep = -8.75 m.y. column thickness(km) water_depth(km) X(ss) X(sh) w(1) 0.147 2.273 0.0 1.0 w(2) 0.237 1.611 " " w(3) 0.251 1.143 " " w(4) 0.600 0.627 " " w(5) 1.200 0.187 " " w(6) 1.900 0.038 0.31 0.69 w(7) 1.400 -0.002 0.50 0.50 w(8) 0.700 -0.016 1.0 0.0 w(9) 0.550 -0.034 " " w(10) 0.180 -0.072 " " w(11:14) 0.0 -0.100 " " strat 'Upper Late Miocene' t_dep = -6.25 m.y. column thickness(km) water_depth(km) X(ss) X(sh) w(1) 0.328 1.945 0.0 1.0 w(2) 0.425 1.190 " " w(3) 0.850 0.738 " " w(4) 1.700 0.306 " " w(5) 1.800 0.031 0.63 0.37 w(6) 2.016 -0.002 0.50 0.50 w(7) 0.900 -0.012 1.0 0.0 w(8) 0.450 -0.035 " " w(9) 0.225 -0.067 " " w(10) 0.028 -0.100 " " w(11:14) 0.0 -0.100 " " strat 'Pliocene' t_dep = -2.5 m.y. column thickness(km) water_depth(km) X(ss) X(sh) w(1) 0.600 1.378 0.0 1.0 w(2) 0.850 0.627 " " w(3) 1.514 0.277 " " w(4) 2.190 0.038 0.33 0.67 w(5) 2.095 -0.005 0.50 0.50 w(6) 0.450 -0.016 1.0 0.0 w(7) 0.600 -0.038 " " w(8) 0.150 -0.091 " " w(9) 0.033 -0.100 " " w(10:14) 0.0 -0.100 " " strat 'Pleistocene' t_dep = 0 yrs column thickness(km) water_depth(km) X(ss) X(sh) w(1) 3.000 1.600 0.0 1.0 w(2) 3.035 1.113 " " w(3) 2.500 0.696 0.12 0.88 w(4) 0.864 0.277 0.85 0.15 w(5) 0.260 0.021 1.0 0.0 w(6) 0.240 -0.002 " " w(7) 0.509 -0.013 " " w(8) 0.009 -0.038 " " w(9) 0.0 -0.072 " " w(10:14) 0.0 -0.100 " "