- Texas has all or part of 28 of the top 100 U.S. oil fields, ranked by proved reserves.
- Texas proved oil reserves were 23.8% of total U.S. proved oil reserves in 2008.
- Texas proved oil reserves totaled 4.555 billion barrels (bbls) in 2008, down 11.1% from the 2007 figure. Previously, proved oil reserves grew 5.1% in 2007, while declining 1.0% in 2006.
- In Railroad Commission District 8A (West Texas), proved oil reserves totaled 1.699 billion bbl in 2008, down 22.0% from the 2007 figure, reflecting a serious downward revision by the U.S. Energy Information Administration. That number represents 10.1% of the entire U.S. reserves. By itself, it equals about two-thirds of the entire proved oil reserves of California.
- In Railroad Commission District 8 (West Texas), proved oil reserves totaled 1.745 billion bbl in 2008, down 2.8% from the 2007 figure. That number represents 9.1% of all U.S. reserves, and it is equal to about two-thirds of all the proved oil reserves in California.
- In Railroad Commission District 7C (West Central Texas), proved oil reserves totaled 359 million bbl in 2008, up 10.1% from the 2007 figure. Previously, District 7C reserves grew 13.2% in 2007 and 17.6% in 2006.
- Texas has all or part of 27 of the top 100 U. S. fields, ranked by oil production (2007 volumes).
- Texas oil production accounted for 20.6% of U.S. oil production in 2009.
- Texas produced 1.106 million barrels per day (bpd) in 2009, up 3.2% from the 2008 figure, which had been down 1.4% from 2007. The 2007 level (1.088 million bpd) had been flat with 2006ís figure.
- The number of producing oil wells in Texas was 157,807 in 2009, equal to 30% of the U.S. total.
- The 2009 producing oil well total increased 0.8% from the 2008 figure.
- Texas leads the nation in petroleum consumption (more than half due to industrial usage) at 15.7% of the total, followed by California (9.6%), Florida (4.6%), New York (4.0%), Louisiana (3.9%), Illinois (3.6%), Pennsylvania (3.6%), New Jersey (3.3%), Ohio (3.3%) and Georgia (2.7%).
- Texas petroleum consumption in 2008 was 3.31 million bpd.
- The 2008 consumption figure includes 796,000 bpd for motor gasoline, 1.19 million bpd for liquefied petroleum gases, 396,000 bpd for distillate fuel, and 206,600 for jet fuel.