Table 3. Time-versus-depth calibration determined from vertical seismic profile in well no. 9 (both time and depth measured relative to sea level). Two-way +0 ms +1 ms +2 ms +3 ms +4 ms +5 ms +6 ms +7 ms +8 ms +9 ms time depth depth depth depth depth depth depth depth depth depth (ms) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) 0 0 3.1 6.2 9.2 12.3 15.4 18.5 21.6 24.7 27.7 10 30.8 33.9 37.0 40.1 43.2 46.2 49.3 52.4 55.5 58.6 20 61.7 64.7 67.8 70.9 74.0 77.1 80.1 83.2 86.3 89.4 30 92.5 95.6 98.6 101.7 104.8 107.9 111.0 114.1 117.1 120.2 40 123.3 126.4 129.5 132.5 135.6 138.7 141.8 144.9 148.0 151.0 50 154.1 157.2 160.3 163.4 166.5 169.5 172.6 175.7 178.8 181.9 60 184.9 188.0 191.1 194.2 197.3 200.4 203.4 206.5 209.6 212.7 70 215.8 218.9 221.9 225.0 228.1 231.2 234.3 237.4 240.4 243.5 80 246.6 249.7 252.8 255.8 258.9 262.0 265.1 268.2 271.3 274.3 90 277.4 280.5 283.6 286.7 289.8 292.8 295.9 299.0 302.1 305.2 100 308.3 311.3 314.4 317.5 320.6 323.7 326.7 329.8 332.9 336.0 110 339.1 342.2 345.2 348.3 351.4 354.5 357.6 360.7 363.7 366.8 120 369.9 373.0 376.1 379.1 382.2 385.3 388.4 391.5 394.6 397.6 130 400.7 403.8 406.9 410.0 413.1 416.1 419.2 422.3 425.4 428.5 140 431.6 434.6 437.7 440.8 443.9 447.0 450.0 453.1 456.2 459.3 150 462.4 465.5 468.5 471.6 474.7 477.8 480.9 484.0 487.0 490.1 160 493.2 496.3 499.4 502.4 505.5 508.6 511.7 514.8 517.9 520.9 170 524.0 527.1 530.2 533.3 536.4 539.4 542.5 545.6 548.7 551.8 180 554.8 557.9 561.0 564.1 567.2 570.3 573.3 576.4 579.5 582.6 190 585.7 588.8 591.8 594.9 598.0 601.1 604.2 607.3 610.3 613.4 200 616.5 619.6 622.7 625.7 628.8 631.9 635.0 638.1 641.2 644.2 210 647.3 650.4 653.5 656.6 659.7 662.7 665.8 668.9 672.0 675.1 220 678.2 681.2 684.3 687.4 690.5 693.6 696.6 699.7 702.8 705.9 Table 3 (cont.) Two-way +0 ms +1 ms +2 ms +3 ms +4 ms +5 ms +6 ms +7 ms +8 ms +9 ms time depth depth depth depth depth depth depth depth depth depth (ms) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) 230 709.0 712.1 715.1 718.2 721.3 724.4 727.5 730.6 733.6 736.7 240 739.8 742.9 746.0 749.0 752.1 755.2 758.3 761.4 764.5 767.5 250 770.6 773.7 776.8 779.9 783.0 786.0 789.1 792.2 795.3 798.4 260 801.4 804.5 807.6 810.7 813.8 816.9 819.9 823.0 826.1 829.2 270 832.3 835.4 838.4 841.5 844.6 847.7 850.8 853.9 856.9 860.0 280 863.1 866.2 869.3 872.3 875.4 878.5 881.6 884.7 887.8 890.8 290 893.9 897.0 900.1 903.2 906.3 909.3 912.4 915.5 918.6 921.7 300 924.8 927.8 930.9 934.0 937.1 940.2 943.2 946.3 949.4 952.5 310 955.6 958.7 961.7 964.8 967.9 971.0 974.1 977.2 980.2 983.3 320 986.4 989.5 992.6 995.6 998.7 1001.8 1004.9 1008.0 1011.1 1014.1 330 1017.2 1020.3 1023.4 1026.5 1029.6 1032.6 1035.7 1038.8 1041.9 1045.0 340 1048.0 1051.1 1054.2 1057.3 1060.4 1063.5 1066.5 1069.6 1072.7 1075.8 350 1078.9 1082.0 1085.0 1088.1 1091.2 1094.3 1097.4 1100.5 1103.5 1106.6 360 1109.7 1112.8 1115.9 1118.9 1122.0 1125.1 1128.2 1131.3 1134.4 1137.4 370 1140.5 1143.6 1146.7 1149.8 1152.9 1155.9 1159.0 1162.1 1165.2 1168.3 380 1171.4 1174.4 1177.5 1180.6 1183.7 1186.8 1189.8 1192.9 1196.0 1199.1 390 1202.2 1205.3 1208.3 1211.4 1214.5 1217.6 1220.7 1223.8 1226.8 1229.9 400 1233.0 1236.1 1239.2 1242.2 1245.3 1248.4 1251.5 1254.6 1257.7 1260.7 410 1263.8 1266.9 1270.0 1273.1 1276.2 1279.2 1282.3 1285.4 1288.5 1291.6 420 1294.6 1297.7 1300.8 1303.9 1307.0 1310.1 1313.1 1316.2 1319.3 1322.4 430 1325.5 1328.6 1331.6 1334.7 1337.8 1340.9 1344.0 1347.1 1350.1 1353.2 440 1356.3 1359.4 1362.5 1365.5 1368.6 1371.7 1374.8 1377.9 1381.0 1384.6 450 1388.2 1391.8 1395.4 1399.0 1402.6 1406.2 1409.8 1413.4 1417.0 1420.6 460 1424.2 1427.8 1431.4 1435.0 1438.6 1442.2 1445.8 1449.4 1453.0 1456.6 Table 3 (cont.) Two-way +0 ms +1 ms +2 ms +3 ms +4 ms +5 ms +6 ms +7 ms +8 ms +9 ms time depth depth depth depth depth depth depth depth depth depth (ms) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) 470 1460.2 1463.8 1467.4 1471.0 1474.6 1478.1 1481.7 1485.3 1488.9 1492.5 480 1496.1 1499.7 1503.3 1506.9 1510.5 1514.1 1517.7 1521.3 1524.9 1528.5 490 1532.1 1535.7 1539.3 1542.9 1546.5 1550.1 1553.7 1557.3 1560.9 1564.5 500 1568.1 1571.7 1575.3 1578.9 1582.5 1586.1 1589.7 1593.3 1596.9 1600.5 510 1604.1 1607.7 1611.3 1614.9 1618.5 1622.1 1625.7 1629.3 1632.9 1636.5 520 1640.1 1643.7 1647.3 1650.9 1654.5 1658.1 1661.7 1665.3 1668.9 1672.5 530 1676.1 1679.7 1683.3 1686.9 1690.5 1694.1 1697.7 1701.3 1704.9 1708.5 540 1712.1 1715.7 1719.3 1722.9 1726.5 1730.1 1733.7 1737.3 1740.9 1744.5 550 1748.1 1751.7 1755.3 1758.9 1762.5 1766.1 1769.7 1773.3 1776.9 1780.5 560 1784.1 1787.7 1791.3 1794.9 1798.5 1802.1 1805.7 1809.3 1812.9 1816.5 570 1820.1 1823.7 1827.3 1830.9 1834.5 1838.1 1841.7 1845.3 1848.9 1852.5 580 1856.1 1859.7 1863.3 1866.9 1870.5 1874.1 1877.7 1881.3 1885.0 1888.6 590 1892.2 1895.8 1899.4 1903.0 1906.7 1910.3 1913.9 1917.5 1921.1 1924.8 600 1928.4 1932.0 1935.6 1939.2 1942.8 1946.5 1950.1 1953.7 1957.3 1960.9 610 1964.6 1968.2 1971.8 1975.4 1979.0 1982.6 1986.3 1989.9 1993.5 1997.1 620 2000.7 2004.4 2008.0 2011.6 2015.2 2018.8 2022.4 2026.1 2029.7 2033.3 630 2036.9 2040.5 2044.1 2047.8 2051.4 2055.0 2058.6 2062.2 2065.9 2069.5 640 2073.1 2076.7 2080.3 2083.9 2087.6 2091.2 2094.8 2098.4 2102.0 2105.7 650 2109.3 2112.9 2116.5 2120.1 2123.7 2127.4 2131.0 2134.6 2138.2 2141.8 660 2145.5 2149.1 2152.7 2156.3 2159.9 2163.5 2167.2 2170.8 2174.4 2178.0 670 2181.6 2185.3 2188.9 2192.5 2196.1 2199.7 2203.3 2207.0 2210.6 2214.2 680 2217.8 2221.4 2225.1 2228.7 2232.3 2235.9 2239.5 2243.1 2246.8 2250.4 690 2254.0 2257.6 2261.2 2264.8 2268.5 2272.1 2275.7 2279.3 2282.9 2286.6 700 2290.2 2293.8 2297.4 2301.0 2304.6 2308.3 2311.9 2315.5 2319.1 2322.7 Table 3 (cont.) Two-way +0 ms +1 ms +2 ms +3 ms +4 ms +5 ms +6 ms +7 ms +8 ms +9 ms time depth depth depth depth depth depth depth depth depth depth (ms) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) 710 2326.4 2330.0 2333.6 2337.2 2340.8 2344.4 2348.1 2351.7 2355.3 2358.9 720 2362.5 2366.2 2369.8 2373.4 2377.0 2380.6 2384.5 2388.4 2392.3 2396.2 730 2400.2 2404.1 2408.0 2411.9 2415.8 2419.7 2423.6 2427.5 2431.5 2435.4 740 2439.3 2443.2 2447.1 2451.0 2454.9 2458.8 2462.7 2466.7 2470.6 2474.5 750 2478.4 2482.3 2486.2 2490.1 2494.0 2498.0 2501.9 2505.8 2509.7 2513.6 760 2517.5 2521.4 2525.3 2529.3 2533.2 2537.1 2541.0 2544.9 2548.8 2552.7 770 2556.6 2560.6 2564.5 2568.4 2572.3 2576.2 2580.1 2584.0 2587.9 2591.8 780 2595.8 2599.7 2603.6 2607.5 2611.4 2615.3 2619.2 2623.1 2627.1 2631.0 790 2634.9 2638.8 2642.7 2646.6 2650.5 2654.4 2658.4 2662.3 2666.2 2670.1 800 2674.0 2677.9 2681.8 2685.7 2689.6 2693.6 2697.5 2701.4 2705.3 2709.2 810 2713.1 2717.0 2720.9 2724.9 2728.8 2732.7 2736.6 2740.5 2744.4 2748.3 820 2752.2 2756.2 2760.1 2764.0 2767.9 2771.8 2775.7 2779.6 2783.5 2787.5 830 2791.4 2795.3 2799.2 2803.1 2807.0 2810.9 2814.8 2818.7 2822.7 2826.6 840 2830.5 2834.4 2838.3 2842.2 2846.1 2850.0 2854.0 2857.9 2861.8 2865.7 850 2869.6 2873.5 2877.4 2881.4 2885.7 2889.9 2894.2 2898.5 2902.8 2907.1 860 2911.3 2915.6 2919.9 2924.2 2928.5 2932.7 2937.0 2941.3 2945.6 2949.9 870 2954.2 2958.4 2962.7 2967.0 2971.3 2975.6 2979.8 2984.1 2988.4 2992.7 880 2997.0 3001.2 3005.5 3009.8 3014.1 3018.4 3022.7 3026.9 3031.2 3035.5 890 3039.8 3044.1 3048.3 3052.6 3056.9 3061.2 3065.5 3069.7 3074.0 3078.3 900 3082.6 3086.9 3091.2 3095.4 3099.7 3104.0 3108.3 3112.6 3116.8 3121.1 910 3125.4 3129.7 3134.0 3138.3 3142.5 3146.8 3151.1 3155.4 3159.7 3163.9 920 3168.2 3172.5 3176.8 3181.1 3185.3 3189.6 3193.9 3198.2 3202.5 3206.8 930 3211.0 3215.3 3219.6 3223.9 3228.2 3232.4 3236.7 3241.0 3245.3 3249.6 940 3253.8 3258.1 3262.4 3266.7 3271.0 3275.3 3279.5 3283.8 3288.1 3292.4 Table 3 (cont.) Two-way +0 ms +1 ms +2 ms +3 ms +4 ms +5 ms +6 ms +7 ms +8 ms +9 ms time depth depth depth depth depth depth depth depth depth depth (ms) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) 950 3296.7 3300.9 3305.2 3309.5 3313.8 3318.1 3322.3 3326.6 3330.9 3335.2 960 3339.5 3343.8 3348.0 3352.3 3356.6 3360.9 3365.2 3369.4 3373.7 3378.0 970 3382.3 3386.5 3390.8 3395.0 3399.2 3403.5 3407.7 3412.0 3416.2 3420.5 980 3424.7 3428.9 3433.2 3437.4 3441.7 3445.9 3450.2 3454.4 3458.6 3462.9 990 3467.1 3471.4 3475.6 3479.8 3484.1 3488.3 3492.6 3496.8 3501.1 3505.3 1000 3509.5 3513.8 3518.0 3522.3 3526.5 3530.8 3535.0 3539.2 3543.5 3547.7 1010 3552.0 3556.2 3560.5 3564.7 3568.9 3573.2 3577.4 3581.7 3585.9 3590.1 1020 3594.4 3598.6 3602.9 3607.1 3611.4 3615.6 3619.8 3624.1 3628.3 3632.6 1030 3636.8 3641.1 3645.3 3649.5 3653.8 3658.0 3662.3 3666.5 3670.8 3675.0 1040 3679.2 3683.5 3687.7 3692.3 3698.2 3704.0 3709.9 3715.7 3721.6 3727.4 1050 3732.5 3736.3 3740.2 3744.0 3747.8 3751.7 3755.5 3759.3 3763.2 3767.0 1060 3770.8 3775.7 3780.5 3785.4 3790.2 3795.1 3800.0 3804.8 3809.7 3814.3 1070 3818.8 3823.4 3827.9 3832.4 3836.9 3841.5 3846.0 3850.5 3855.0 3859.4 1080 3863.8 3868.3 3872.7 3877.1 3881.6 3886.0 3890.4 3894.6 3898.8 3902.9 1090 3907.1 3911.2 3915.4 3919.5 3923.7 3927.8 3932.2 3937.0 3941.9 3946.7 1100 3951.6 3956.5 3961.3 3966.2 3971.1 3975.9 3980.8 3985.6 3990.5 3995.4 1110 4000.2 4005.1 4009.9 4014.8 4019.7 4024.5 4029.4 4034.2 4039.1 4044.0 1120 4048.8 4053.3 4057.5 4061.6 4065.8 4069.9 4074.1 4078.2 4082.4 4086.5 1130 4090.7 4095.9 4101.1 4106.4 4111.6 4116.8 4122.1 4127.3 4132.6 4137.8 1140 4143.1 4148.3 4153.5 4158.8 4164.0 4169.3 4174.0 4178.6 4183.1 4187.6 1150 4192.2 4196.7 4201.2 4205.8 4210.3 4214.8 4219.2 4223.6 4228.1 4232.5 1160 4236.9 4241.3 4245.8 4250.2 4254.7 4259.3 4263.8 4268.3 4272.9 4277.4 1170 4281.9 4286.5 4291.0 4295.4 4299.9 4304.3 4308.7 4313.2 4317.6 4322.0 1180 4326.5 4330.9 4336.1 4341.4 4346.6 4351.9 4357.1 4362.3 4367.6 4372.1 Table 3 (cont.) Two-way +0 ms +1 ms +2 ms +3 ms +4 ms +5 ms +6 ms +7 ms +8 ms +9 ms time depth depth depth depth depth depth depth depth depth depth (ms) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) 1190 4375.4 4378.7 4382.0 4385.2 4388.5 4391.8 4395.1 4398.3 4401.6 4404.9 1200 4408.2 4411.7 4417.0 4422.2 4427.4 4432.7 4437.9 4443.2 4448.4 4453.3 1210 4457.7 4462.1 4466.6 4471.0 4475.4 4479.9 4484.3 4488.7 4493.2 4497.7 1220 4501.9 4506.1 4510.5 4515.2 4519.5 4523.8 4528.1 4532.5 4536.8 4541.2 1230 4546.1 4550.7 4555.2 4559.7 4564.2 4568.7 4573.0 4577.2 4581.5 4585.7 1240 4590.1 4594.5 4598.8 4603.4 4608.0 4612.3 4616.5 4620.9 4625.8 4630.5 1250 4635.3 4640.1 4645.2 4650.5 4655.9 4661.2 4666.7 4672.2 4677.5 4682.4 1260 4686.8 4691.3 4696.3 4701.6 4706.5 4711.1 4715.7 4720.5 4725.1 4729.3 1270 4733.6 4738.0 4742.2 4746.6 4751.4 4756.6 4761.8 4766.9 4771.8 4776.3 1280 4781.0 4785.7 4790.5 4795.5 4800.3 4805.3 4810.1 4815.0 4819.4 4824.0 1290 4829.0 4833.9 4838.9 4843.6 4847.9 4852.4 4857.2 4862.1 4867.1 4871.9 1300 4876.9 4881.7 4886.9 4892.0 4897.0 4901.3 4905.6 4910.1 4914.7 4919.4 1310 4924.3 4929.6 4935.1 4940.6 4945.4 4950.2 4954.6 4959.3 4964.8 4970.1 1320 4975.0 4979.5 4984.0 4988.7 4993.4 4998.4 5002.9 5007.5 5012.3 5017.2 1330 5021.9 5026.9 5031.8 5036.7 5041.6 5046.5 5051.6 5056.8 5061.6 5066.7 1340 5071.6 5076.5 5081.6 5086.9 5091.7 5096.3 5101.3 5106.4 5111.5 5116.5 1350 5121.2 5126.0 5130.6 5135.5 5140.2 5145.1 5150.1 5155.3 5160.4 5165.5 1360 5170.4 5175.6 5180.6 5185.3 5190.2 5195.2 5200.0 5205.0 5209.9 5215.0 1370 5220.4 5225.7 5231.0 5235.8 5240.6 5245.7 5250.3 5255.3 5260.1 5265.2 1380 5270.4 5275.2 5279.9 5284.5 5289.3 5294.2 5298.7 5303.4 5308.2 5312.8 1390 5317.4 5322.5 5328.2 5333.7 5338.6 5343.2 5348.1 5353.0 5358.1 5362.9 1400 5367.8 5372.7 5377.9 5383.0 5388.3 5393.6 5398.3 5403.2 5408.4 5413.3 1410 5418.1 5423.0 5428.1 5433.1 5437.8 5442.3 5447.0 5452.0 5457.2 5461.8 1420 5466.5 5471.4 5476.1 5480.8 5486.0 5490.8 5495.7 5500.4 5505.4 5510.5 Table 3 (cont.) Two-way +0 ms +1 ms +2 ms +3 ms +4 ms +5 ms +6 ms +7 ms +8 ms +9 ms time depth depth depth depth depth depth depth depth depth depth (ms) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) 1430 5515.7 5520.5 5525.2 5530.1 5535.2 5540.4 5545.5 5550.8 5556.0 5561.3 1440 5566.4 5571.6 5576.6 5581.7 5586.9 5592.1 5597.5 5602.3 5606.9 5611.8 1450 5616.8 5621.4 5626.5 5631.7 5637.2 5642.9 5648.5 5653.4 5658.3 5663.2 1460 5668.5 5674.2 5679.3 5684.7 5689.7 5694.8 5700.1 5705.4 5710.6 5715.9 1470 5721.2 5726.6 5732.1 5737.4 5742.6 5748.1 5753.8 5758.9 5764.2 5769.6 1480 5774.9 5780.1 5784.8 5789.9 5795.4 5801.0 5806.2 5811.6 5816.7 5821.7 1490 5826.6 5832.1 5837.6 5842.8 5847.7 5853.1 5858.2 5863.3 5868.5 5873.9 1500 5879.4 5884.7 5890.1 5895.5 5900.7 5905.8 5911.1 5916.2 5922.1 5926.8 1510 5931.7 5937.0 5943.0 5948.7 5954.6 5959.9 5965.2 5970.4 5974.8 5979.2 1520 5984.1 5988.8 5993.2 5998.4 6003.4 6008.5 6014.1 6019.3 6024.9 6029.5 1530 6034.0 6038.4 6043.1 6048.5 6053.0 6057.4 6062.2 6067.6 6072.7 6078.2 1540 6082.5 6087.0 6091.6 6096.4 6101.1 6105.9 6111.1 6117.0 6122.9 6128.9 1550 6135.0 6141.1 6146.9 6152.6 6158.7 6163.7 6168.6 6173.3 6178.0 6184.0 1560 6189.4 6194.8 6200.7 6206.6 6211.6 6217.1 6222.7 6227.4 6232.7 6238.4 1570 6243.6 6248.9 6253.7 6258.4 6263.4 6268.1 6272.7 6277.5 6282.3 6286.9 1580 6291.9 6296.6 6301.5 6306.4 6311.1 6316.3 6322.0 6327.5 6333.1 6338.0 1590 6343.2 6348.1 6352.8 6357.9 6363.2 6368.0 6372.8 6377.9 6382.6 6387.9 1600 6392.4 6397.0 6401.8 6406.8 6411.9 6416.8 6421.5 6426.9 6431.8 6436.6 1610 6441.7 6446.7 6452.1 6457.2 6462.0 6466.4 6471.2 6476.2 6480.8 6485.3 1620 6490.3 6495.8 6500.6 6506.0 6510.8 6515.5 6520.2 6524.7 6529.8 6535.2 1630 6540.2 6545.0 6550.1 6555.5 6560.1 6564.7 6569.4 6573.8 6578.3 6583.3 1640 6588.2 6592.9 6597.8 6602.8 6607.4 6612.1 6617.5 6623.0 6628.7 6634.5 1650 6640.3 6645.9 6651.5 6656.5 6661.3 6666.1 6670.8 6675.5 6680.2 6685.5 1660 6690.8 6696.7 6702.3 6707.7 6712.5 6717.0 6721.7 6727.1 6732.5 6738.3 Table 3 (cont.) Two-way +0 ms +1 ms +2 ms +3 ms +4 ms +5 ms +6 ms +7 ms +8 ms +9 ms time depth depth depth depth depth depth depth depth depth depth (ms) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) 1670 6743.2 6747.9 6752.5 6757.3 6762.6 6767.7 6772.8 6777.4 6782.0 6787.0 1680 6791.7 6796.6 6802.3 6807.8 6813.2 6818.6 6824.1 6829.0 6833.6 6838.8 1690 6844.1 6849.5 6855.1 6860.1 6865.3 6869.9 6875.0 6879.9 6884.4 6889.6 1700 6894.7 6899.6 6904.6 6909.2 6913.9 6918.9 6923.8 6928.7 6933.7 6938.4 1710 6943.0 6947.4 6952.0 6956.7 6962.3 6966.5 6971.0 6975.5 6980.2 6985.0 1720 6990.6 6995.4 7000.1 7004.8 7009.4 7013.9 7018.5 7024.2 7029.7 7035.2 1730 7041.1 7046.7 7052.2 7058.0 7063.6 7069.2 7074.8 7080.6 7086.4 7092.2 1740 7097.7 7103.0 7108.2 7113.5 7118.6 7123.9 7129.7 7135.2 7140.3 7145.6 1750 7151.0 7156.5 7162.5 7167.5 7172.4 7177.4 7182.6 7188.6 7194.0 7199.1 1760 7203.9 7208.8 7213.8 7218.6 7223.4 7229.3 7235.3 7240.8 n.d. n.d.