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TABLE L.4 Geysers Geothermal Field Calculations


billion pounds steam/year


pounds steam/gallon





SOURCE: Smith et al. (2000).

TABLE L.5 Enhanced Geothermal Systems (EGS) Main Stimulation Calculations


m3 water injected over 6 days


gallons water injected over 6 days


avg. m3/day


avg. gal/day

SOURCE: Asanuma et al. (2008).


AIGA (Asia Industrial Gases Association). 2009. Carbon Dioxide, 7th ed. Singapore: AIGA 068/10. Available at (accessed May 2012).

Asanuma, H., Y. Kumano, H. Niitsuma, U. Schanz, and M. Haring. 2008. Interpretation of reservoir structure from super-resolution mapping of microseismic multiplets from stimulation at Basel, Switzerland in 2006. GRC Transactions 32:65-70.

Frohlich, C., C. Hayward, B. Stump, and E. Potter. 2010. The Dallas-Fort Worth earthquake sequence: October 2008-May 2009. Bulletin of the Seismological Society of America 101(1):327-340.

King, G.E. 2012. Hydraulic Fracturing 101: What every representative, environmentalist, regulator, reporter, investor, university researcher, neighbor, and engineer should know about estimating frac risk and improving frac performance in unconventional gas and oil wells. Paper SPE 152596 presented to the Society of Petroleum Engineers (SPE) Hydraulic Fracturing Technology Conference, The Woodlands, TX, February 6-8.

Nicot, J.-P., and B.R. Scanlon. 2012. Water use for shale-gas production in Texas, U.S. Environmental Science and Technology 46:3580-3586.

Sminchak, J., and N. Gupta. 2003. Aspects of induced seismic activity and deep-well sequestration of carbon dioxide. Environmental Geosciences 10(2):81-89.

Smith, J.L.B., J.J. Beall, and M.A. Stark. 2000. Induced seismicity in the SE Geysers Field, California, USA. Presented at the World Geothermal Congress, Kyushu-Tohoku, Japan, May 28-June 10.

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