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 Economics and the 1995 National Assessment of U.S. Oil and Gas Resources
 Emil D. Attanasi

  U. S. Geological Survey Open-File Report 95-75-M


Table A-4.-- Conventional field-size class definitions.

 

Oil field size

Gas field size

Class

(Millions barrels)

(Billions cubic feet)

1 0.03125 - 0.0625 0.1875 - 0.375
2 0.0625 - 0.125 0.375 - 0.750
3 0.125 - 0.25 0.75 - 1.50
4 0.25 - 0.5 1.50 - 3
5 0.5 - 1 3.00 - 6.00
6 1 - 2 6 - 12
7 2 - 4 12 - 24
8 4 - 8 24 - 48
9 8 - 16 48 - 96
10 16 - 32 96 - 192
11 32 - 64 192 - 384
12 64 - 128 384 - 768
13 128 - 256 768 - 1536
14 256 - 512 1536 - 3072
15 512 -1024 3072 - 6144
16 1024 - 2048 6144 - 12288
17 2048 - 4096 12288 - 24576
18 4096 - 8192 24576 - 49152

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