June 1999
Industry At A Glance

99-06_us-rotary-rigs.html (Jun-1999)

A monthly magazine offering industry news, statistics and technical editorial to the oil and gas drilling, exploration and production industry.

June 1999 Vol. 220 No. 6 
Industry Stats 

U.S. Rotary Drilling Rigs                Monthly average

State and Area  April 1999
 Average
 April 1998
 Average
   March 1999
 Average
 % Diff.
 April ’99
 vs. April ’98

Alabama 6 6 6 0.0
Land 2 2 1 0.0
Inland water 0 0 0 ...
Offshore 4 4 5 0.0
Alaska - Total 5 12 6 – 58.3
Land 5 12 6 – 58.3
Offshore 0 0 0 ...
Arkansas 1 9 3 – 88.9
California - Total 17 28 12 – 39.3
Land 16 27 11 – 40.7
Offshore 1 1 1 0.0
Colorado 8 15 11 – 46.7
Florida 0 0 0 ...
Kansas 4 17 3 – 76.5
Kentucky 5 2 3 150.0
Louisiana - Total 125 213 135 – 41.3
North - Land 12 17 16 – 29.4
South - Inl. water 11 22 11 – 50.0
South - Land 17 53 19 – 67.9
Offshore 86 121 88 – 28.9
Michigan 1 4 3 – 75.0
Mississippi 8 16 6 – 50.0
Montana 4 7 4 – 42.9
Nebraska 0 0 0 ...
Nevada 0 0 0 ...
New Mexico 26 40 22 – 35.0
New York 2 1 2 100.0
North Dakota 1 11 1 – 90.9
Ohio 7 4 11 75.0
Oklahoma 60 87 60 – 31.0
Pennsylvania 3 9 12 – 66.7
South Dakota 0 0 0 ...
Tennessee 0 0 0 ...
Texas - Total 180 351 191 – 48.7
Offshore 8 12 12 – 33.3
Inland water 1 0 1 ...
District 1 4 18 3 – 77.8
District 2 15 28 13 – 46.4
District 3 32 51 37 – 37.3
District 4 35 64 42 – 45.3
District 5 12 23 12 – 47.8
District 6 19 33 17 – 42.4
District 7B 3 6 5 – 50.0
District 7C 12 28 12 – 57.1
District 8 21 46 21 – 54.3
District 8A 3 17 1 – 82.4
District 9 5 8 5 – 37.5
District 10 11 21 12 – 47.6
Utah 5 13 6 – 61.5
W. Virginia 3 9 3 – 66.7
Wyoming 20 32 23 – 37.5
Others 5 1 6 400.0

U.S. Offshore Total 99 138 106 – 28.3
U.S. Grand Total 496 886 526 – 44.0
Source: Hughes Christensen
Note: Totals and subtotals may not add due to rounding.

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