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Monthly
Annual
Download Data (XLS File)
U.S.Lower 48 States Onshore Maximum Number of Active Crews Engaged in Three-Dimensional Seismic Surveying (Number of Elements)
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2000
0
0
36
36
34
37
39
40
39
41
40
41
2001
38
38
38
39
37
35
35
32
30
33
34
33
2002
32
31
26
25
24
23
26
26
28
30
27
22
2003
19
20
20
20
17
18
21
22
22
24
24
25
2004
25
27
27
27
26
30
30
31
32
34
33
32
2005
33
34
33
30
34
35
34
35
37
39
40
40
2006
38
39
42
42
42
35
51
49
51
51
51
50
2007
51
51
55
55
55
55
57
56
58
60
60
54
2008
55
55
54
53
54
56
58
58
-
= No Data Reported;
--
= Not Applicable;
NA
= Not Available;
W
= Withheld to avoid disclosure of individual company data.
Release Date: 1/2/2009
Next Release Date: 2/2/2009
Referring Pages:
Maximum U.S. Active Seismic Crew Counts