99-04_us-rotary-rigs.html (Apr-1999)

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

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April 1999 Vol. 220 No. 4

U.S. Rotary Drilling Rigs Monthly average
	State and Area	Feb. 1999 Average	Feb. 1998 Average	Jan. 1999 Average	% Diff. Feb. ’99 vs. Feb. ’98

Alabama		4	6	6	– 33.3
	Land	1	1	1	0.0
	Inland water	0	0	0	...
	Offshore	3	5	5	– 40.0
Alaska - Total		6	11	7	– 45.5
	Land	6	11	7	– 45.5
	Offshore	0	0	0	...
Arkansas		4	8	2	– 50.0
California - Total		12	30	16	– 60.0
	Land	11	29	14	– 62.1
	Offshore	2	2	2	0.0
Colorado		11	16	10	– 31.3
Florida		0	0	0	...
Kansas		7	20	8	– 65.0
Kentucky		2	2	4	0.0
Louisiana - Total		134	215	143	– 37.7
	North - Land	15	18	15	– 16.7
	South - Inl. water	15	24	17	– 37.5
	South - Land	21	57	24	– 63.2
	Offshore	84	117	87	– 28.2
Michigan		5	8	5	– 37.5
Mississippi		8	15	8	– 46.7
Montana		5	12	4	– 58.3
Nebraska		0	1	2	– 100.0
Nevada		0	0	0	...
New Mexico		25	49	26	– 49.0
New York		3	1	3	200.0
North Dakota		1	14	5	– 92.9
Ohio		12	7	12	71.4
Oklahoma		62	98	64	– 36.7
Pennsylvania		11	14	11	– 21.4
South Dakota		0	0	0	...
Tennessee		0	1	0	...
Texas - Total		192	382	201	– 49.7
	Offshore	12	15	10	– 20.0
	Inland water	1	0	1	...
	District 1	3	15	6	– 80.0
	District 2	14	32	13	– 56.3
	District 3	38	48	39	– 20.8
	District 4	41	59	53	– 30.5
	District 5	13	25	15	– 48.0
	District 6	17	41	20	– 58.5
	District 7B	3	6	1	– 50.0
	District 7C	10	32	8	– 68.8
	District 8	20	58	14	– 65.5
	District 8A	4	17	3	– 76.5
	District 9	5	8	6	– 37.5
	District 10	12	29	14	– 58.6
Utah		5	14	5	– 64.3
W. Virginia		5	9	16	– 44.4
Wyoming		25	41	28	– 39.0
Others		6	1	3	500.0

U.S. Offshore Total		101	139	104	– 27.3
U.S. Grand Total		542	974	587	– 44.4
Source: Hughes Christensen Note: Totals and subtotals may not add due to rounding.

99-04_us-rotary-rigs.html (Apr-1999)

U.S. Rotary Drilling Rigs Monthly average