Geography
United States
2,056 results
Texas
176 results
Middle East
143 results
Mexico
121 results
Alaska
89 results
Iraq
74 results
Venezuela
72 results
Iran
67 results
Canada
66 results
Mexico, Gulf of
61 results
Saudi Arabia
54 results
Great Britain
51 results
Nigeria
51 results
Russia (Federation)
50 results
Persian Gulf Region
48 results
China
45 results
Europe
44 results
California
40 results
Arab countries
35 results
Developing countries
35 results
Soviet Union
35 results
Oklahoma
33 results
North Sea
30 results
Africa
24 results
Caspian Sea Region
23 results
Louisiana
23 results
Ecuador
22 results
Latin America
21 results
Former Soviet republics
19 results
Asia, Central
18 results
Azerbaijan
18 results
North America
17 results
Norway
17 results
Alberta
16 results
Japan
16 results
Pennsylvania
16 results
Kuwait
15 results
États-Unis
15 results
National Petroleum Reserve
13 results
Niger River Delta
13 results
Asia
12 results
India
12 results
Persian Gulf States
12 results
Brazil
11 results
Indonesia
11 results
New Mexico
11 results
Russia
11 results
Arctic National Wildlife Refuge (Alaska)
10 results
France
10 results
Illinois
10 results
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