Page - May 5, 2005
Approximately 285 million seismic blasts from an average vessel would be required to survey the entire U.S. Outer Continental Shelf.
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Number of Seismic Blasts
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Pounds of TNT equivalent
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Estimated COST
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Minerals Management Service Planning area
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Total Area (sq. km.)
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Blasts required for 25 meter data = 40 blasts/sq. km
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Blasts required for 6 meter data = 167 blasts/sq. km
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@ 40 blasts /sq. km.
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@ 167 blasts /sq. km.
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Total cost for data acquisition* @ $7000/sq km
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North Atlantic
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204,894
|
8,195,760
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34,217,298
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18,030,672
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75,278,056
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$ 1,434,258,000
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Mid Atlantic
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313,677
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12,547,080
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52,384,059
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27,603,576
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115,244,930
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$ 2,195,739,000
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South Atlantic
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513,395
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20,535,800
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85,736,965
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45,178,760
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188,621,323
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$ 3,593,765,000
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Straits of Florida
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39,442
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1,577,680
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6,586,814
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3,470,896
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14,490,991
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$ 276,094,000
|
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Total Atlantic region
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1,071,440
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42,857,584
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178,930,414
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94,286,685
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393,646,911
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$ 7,500,077,233
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Eastern Gulf of Mexico
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306,155
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12,246,200
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51,127,885
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26,941,640
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112,481,347
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$ 2,143,085,000
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Central GOM
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193,433
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7,737,320
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32,303,311
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17,022,104
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71,067,284
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$ 1,354,031,000
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Western GOM
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145,406
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5,816,240
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24,282,802
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12,795,728
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53,422,164
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$ 1,017,842,000
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Total GOM
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644,994
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25,799,760
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107,713,998
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56,759,472
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236,970,796
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$ 4,514,958,000
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Central California
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176,758
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7,070,320
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29,518,586
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15,554,704
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64,940,889
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$ 1,237,306,000
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Northern California
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181,247
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7,249,880
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30,268,249
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15,949,736
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66,590,148
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$ 1,268,729,000
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Southern California
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360,110
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14,404,400
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60,138,370
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31,689,680
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132,304,414
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$ 2,520,770,000
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Washington-Oregon
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287,331
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11,493,240
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47,984,277
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25,285,128
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105,565,409
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$ 2,011,317,000
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Total Pacific
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1,005,446
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40,217,840
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167,909,482
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88,479,248
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369,400,860
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$ 7,038,122,000
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Beaufort Sea
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263,353
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10,534,120
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43,979,951
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23,175,064
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96,755,892
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$ 1,843,471,000
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Cook Inlet/ Shelikof Strait
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21,677
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867,080
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3,620,059
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1,907,576
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7,964,130
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$ 151,739,000
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Kodiak
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362,418
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14,496,720
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60,523,806
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31,892,784
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133,152,373
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$ 2,536,926,000
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Total Alaska Region
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4,396,627
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175,865,060
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734,236,626
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386,903,132
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1,615,320,577
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$30,776,385,521
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Total OCS
|
7,118,343
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284,733,720
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1,188,763,281
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626,414,184
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2,615,279,218
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$49,828,401,000
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Total without AK
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2,721,716
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108,868,660
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454,526,655
|
239,511,052
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999,958,641
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$19,052,015,479
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