BARNETT SHALE: 30-YEAR GAS PRODUCTIVITY*
Production projection, bcf.
Geographic Coordinate System: GCS WGS1984
Datum: D WGS 1984
Prime Meridian: Greenwich
Angular unit: degree
*Under assumptions described in this article. Each square mile block is colored based on the estimated productivity of the average 4,000 ft horizontal well in that block.
Sources: Reference 5. County and state vector data from the Texas Natural Resources Information System ( TNRIS; www.tnris.org); USGS Quadrangle Indices (1/64) were adapted from
TNRIS. Well data by IHS and DrillingInfo; well raster logs by MJ Systems.
of America Fellow and holds appointments on the National
Petroleum Council and Interstate Oil and Gas Compact Commission among other boards. Tinker holds a PhD in geological
sciences from the University of Colorado, an MS in geological
sciences from the University of Michigan, and a BS in geology
and business administration from Trinity University.
John Browning ( firstname.lastname@example.org) has been a senior
research fellow since 2010 at the BEG, having retired from
ExxonMobil after 33 years. He holds a BS (1977) in mechanical
engineering from the University of Tennessee.
Svetlana Ikonnikova ( email@example.com) is a
research associate and energy economist in the BEG. She holds
an MS (2003) in applied mathematics and physics from the
Moscow Institute of Physics and Technology, Moscow, and a
PhD (2007) in economics from Humboldt University of Berlin.
Gürcan Gülen ( firstname.lastname@example.org) is a research
associate and energy economist at the BEG in Houston. He is a
member of the United States Association of Energy Economics
(USAEE), the International Association of Energy Economics,
and the Society of Petroleum Engineers. He holds a PhD (1996)
in economics from Boston College and a BA (1990) in economics from Bosphorus University in Istanbul.
Tadeusz Patzek ( email@example.com) is the Lois K. and
Richard D. Folger Leadership Professor and chair of the Petroleum and Geosystems Engineering Department at the University
of Texas at Austin. He also holds the Cockrell Family Regents
Chair No. 11. He was professor of geoengineering at the
University of California, Berkeley, 1990-2008, and before that
was a researcher at Shell Development for 7 years. Patzek is a
member of the Ocean Energy Safety Advisory Committee for the
US Department of Interior’s Bureau of Safety and Environmental