Shale gas: largest share of US natural gas production in 2013
Total US natural gas gross withdrawals reached a new high at 82 billion ft3/d in 2013, with shale gas wells becoming the largest source of total natural gas production.
Natural gas gross withdrawals are a measure of full well stream production including all natural gas plant liquids and nonhydrocarbon gases after oil, lease condensate, and water have been removed. According to the Natural Gas Annual, gross withdrawals from shale gas wells increased from 5 billion ft3/d in 2007 to 33 billion ft3/d in 2013, representing 40% of total natural gas production, and surpassing production from nonshale natural gas wells. New technology has enabled producers to shift production to resources that are now easier to reach and have lower drilling costs. These trends have been reflected in a lower market price of natural gas.
In 2007, shale gas wells made up 8% of total natural gas produced in the US, with 63% of shale gas production coming from Texas. Since then, the distribution of shale gas production by state has changed significantly in the US, especially in Texas, Pennsylvania, Louisiana, and Arkansas. These states accounted for 26 billion ft3/d, or 79%, of US shale production in 2013.
Texas
Texas shale gas production increased from 3 billion ft3/d in 2007 to 11 billion ft3/d in 2013. Most of its shale gas production growth came from the Barnett, Eagle Ford, and Haynesville-Bossier plays.
Pennsylvania
Pennsylvania became the second-largest shale gas producing state in 2013, producing 8 billion ft3/d, with almost all the growth coming from the Marcellus play. Shale gas production from the Utica play is increasing, but this volume remains small by comparison.
Louisiana
Louisiana produced a minimal amount of shale gas in 2007, but it produced 4 billion ft3/d in 2013. All of this growth came from the Haynesville play.
Arkansas
Arkansas became the fourth-largest shale gas producing state, accounting for 2.8 billion ft3/d, or 9%, of US shale gas production in 2013. All of its shale gas production growth came from the Fayetteville play.
Total US gross natural gas production from nonshale natural gas wells decreased by 25% from 41 billion ft3/d in 2007 to 31 billion ft3/d in 2013. Production from nonshale natural gas wells in Texas, Louisiana, and the Gulf of Mexico made up 56% of total US gross production from nonshale natural gas wells in 2007, but their combined share has declined to 41% in 2013.
Over this period, production from nonshale natural gas wells in these states decreased by 45% to 13 billion ft3/d in 2013 mostly because of natural depletion and a relatively low number of new nonshale natural gas wells in these states. Even though production from nonshale natural gas wells decreased between 2007 and 2013 on a national basis, production from nonshale natural gas wells in some states, notably Colorado, the sixth-largest natural gas producing state, increased over this period.
Adapted from EIA press release by Katie Woodward
Read the article online at: https://www.oilfieldtechnology.com/hydraulic-fracturing/25112014/us-shale-gas-levels-in-2013-110/
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