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81
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drilling
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51
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oil and gas exploration
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43
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oil and gas industry
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36
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anw
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31
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nova scotia
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31
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hibernia oil field
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28
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offshore
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27
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venture gas field
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26
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sable i
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25
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offshore oil industry
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24
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environmental effects
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18
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environmental aspects
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17
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oil spills
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17
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economic aspects
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16
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15
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sociological aspects
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15
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canada
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14
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environmental impact
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13
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environmental surveys
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12
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data reports
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11
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11
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offshore gas industry
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11
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oil wells
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petroleum in submerged lands
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9
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sable island bank
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9
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newfoundland
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8
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scotian shelf
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8
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