Table 8. Oil and Natural Gas Reserve Replacement Rates by FRS Companies, 2005 and 2006

Table 8. Oil and Natural Gas Reserve Replacement Rates by FRS Companies, 2005 and 2006
Region	Drillbit Additions to Reserves		Production		Reserve Replacement Rate (percent)
Region	2005	2006	2005	2006	2005	2006
	Crude Oil and Natural Gas Liquids (million barrels)
United States Onshore	849	185	758	716	112	26
Offshore	158	230	363	360	44	64
Total United States	1,007	415	1,121	1,076	90	39
Foreign Canada	580	425	189	164	307	259
Europe	239	84	484	441	49	19
Former Soviet Union	-185	86	64	86	-290	99
Africa	203	248	500	595	40	42
Middle East	89	147	97	147	92	100
Other Eastern Hemisphere	40	215	284	259	14	83
Other Western Hemisphere	62	69	102	84	61	82
Total Foreign	1,028	1,274	1,720	1,776	60	72
Total Worldwide	2,035	1,689	2,841	2,851	72	59
	Natural Gas (billion cubic feet)
United States Onshore	12,469	7,839	6,071	6,409	205	122
Offshore	786	159	1,703	1,517	46	10
Total United States	13,255	7,998	7,774	7,926	170	101
Foreign Canada	1,805	1,130	1,560	1,455	116	78
Europe	871	-732	2,026	1,886	43	-39
Former Soviet Union	133	122	56	68	238	179
Africa	1,054	512	365	389	289	132
Middle East	1,790	2,598	134	191	1,335	1,363
Other Eastern Hemisphere	221	1,399	1,779	1,839	12	76
Other Western Hemisphere	396	165	1,027	1,193	39	14
Total Foreign	6,270	5,195	6,947	7,021	90	74
Total Worldwide	19,525	13,192	14,721	14,946	133	88
Note: Sum of components may not equal totals due to independent rounding.
Source: Energy Information Administration, Form EIA-28 (Financial Reporting System).