Holtz, M. H., Nance, P., and Finley, R. J., 1999, Reduction of Greenhouse Gas Emissions

Holtz, M. H., Nance, P., and Finley, R. J., 1999, Reduction of greenhouse gas emissions through underground CO2 sequestration in Texas oil and gas reservoirs: The University of Texas at Austin, Bureau of Economic Geology, final report prepared for the Electrical Power Research Institute (EPRI), EPRI Technical Report No. WO4603-04, 68 p. + figures. GCCC Digital Publication Series #99-01.

Hovorka, S. D., Romero, M. L., Treviño, R. H., Warne, A. G., Ambrose, W. A., Knox, P. R., and Tremblay, T. A., 2000, Technical summary: optimal geological environments for carbon dioxide disposal in brine-bearing formations (aquifers) in the United States: The University of Texas at Austin, Bureau of Economic Geology, final report prepared for U.S. Department of Energy, National Energy Technology Laboratory, under contract no. DE-AC26-98FT40417, 232 p. GCCC Digital Publication Series #00-01.

Hovorka, S. D., Doughty, C. A., Knox, P. R., Green, C. T., Pruess, K., and Benson, S. M., 2001, Evaluation of brine-bearing sands of the Frio Formation, Upper Texas Gulf Coast for geologic sequestration of CO2, in Proceedings, First National Conference on Carbon Sequestration, May 14–17, Washington, D.C., sponsored by National Energy Technology Laboratory, 13 p., 7 figs, on CD. GCCC Digital Publication Series #01-01.

Knox, P. R., and Hovorka, S. D., 2001, Geological sequestration of greenhouse gases: opportunities for industry academe research partnerships: Houston Geological Society Bulletin, v. 43, no. 5, p. 26–33. GCCC Digital Publication Series #01-02.

Knox, P., and Hovorka, S., 2002, Geologic sequestration as a mechanism for mitigating climate change (abs.): presented at Petroleum Engineering Department, The University of Texas at Austin, October 29, 2002. GCCC Digital Publication Series #02-01.

Knox, P. R., Hovorka, S. D., and Oldenburg, C. M., 2002, Potential new uses for old gas fields: sequestration of carbon dioxide: Gulf Coast Association of Geological Societies Transactions, v. 52, p. 563–571. GCCC Digital Publication Series #02-02.

Hovorka, S. D., Knox, P. R., Holtz, M. H., Yeh, J. S., Fouad, Khaled, and Sakurai, Shinichi, 2002, Sequestration pilot site in the Texas Gulf Coast, USA (abs.): Geological Society of America Annual Meeting, Paper No. 135-10, GCCC Digital Publication Series #02-03.

Hovorka, S. D., and Knox, P. R., 2003, Frio brine sequestration pilot in the Texas Gulf Coast, in Gale, J., and Kaya, Y., Greenouse gas control technologies: Proceedings, 6th International Conference on Greenhouse Gas Control Technologies, October 1–4, Kyoto, Japan: New York, Pergamon, p. 583–587. GCCC Digital Publication Series #03-01.

Hovorka, S. D., Knox, P. R., Holtz, M. H., Yeh, J. S., Fouad, K., and Sakurai, S., 2003, Tapping the potential for large volume sequestration—update on the Frio brine pilot project (abs.), in Briefing book: Second Annual Conference on Carbon Sequestration: developing & validating the technology base to reduce carbon intensity, Alexandria, Virginia, May 5–9, unpaginated. GCCC Digital Publication Series #03-02.

Holtz, M. H., 2003, Optimization of CO2 sequestered as a residual phase in brine-saturated formations (abs.), in Briefing book: Second Annual Conference on Carbon Sequestration: developing & validating the technology base to reduce carbon intensity, Alexandria, Virginia, May 5–9, unpaginated. GCCC Digital Publication Series #03-03.

Hovorka, S.D., Holtz, M.H., Sakurai, S., Knox, P.R., Collins, D., Papadeas, P., and Stehli, D., 2003, Frio pilot in CO2 sequestration in brine-bearing sandstones: The University of Texas at Austin, Bureau of Economic Geology, report to the Texas Commission on Environmental Quality to accompany a class V application for an experimental technology pilot injection well. GCCC Digital Publication Series #03-04.

Knox, P.R., Paine, J.G., and Hovorka, S.D., 2003, Environmental assessment: optimal geological environments for carbon dioxide disposal in brine formations (saline aquifers) in the United States--pilot experiment in the Frio Formation, Houston area: The University of Texas at Austin, Bureau of Economic Geology, draft report prepared for the U.S. Department of Energy (DOE), Contract DE-AC26-98FT40417 Modification A008, April 2003. GCCC Digital Publication Series #03-05.

Knox, P., Holtz, M.H., Hovorka, S.D., and Doughty, C.A., 2003, Geologic sequestration in the Gulf Coast: subregional considerations (abs.): Gulf Coast Association of Geological Societies Transactions, v. 53, p. 410. GCCC Digital Publication Series #03-06.

Hovorka, S.D., Doughty, C., and Holtz, M. H., 2004, Testing efficiency of storage in the subsurface: Frio Brine Pilot Experiment, in 7th International Conference on Greenhouse Gas Control Technologies, Vancouver, Canada, September 5–9, unpaginated [5 p.]. GCCC Digital Publication Series #04-01.

Hovorka, S.D., Application of numerical models to development of the Frio Brine Storage Experiment: presented at EPA Modeling Workshop, Houston, Texas, April 6, 2005. GCCC Digital Publication Series #05-01.

Holtz, M. H., Nuñez-López, V., and Breton, C. L., 2005, Moving Permian Basin technology to the Gulf Coast: the geologic distribution of CO2 EOR potential in Gulf Coast reservoirs, in Lufholm, Peter, and Cox, Denise, eds., Unconventional reservoirs technology and strategies: alternative perspectives for the Permian Basin: West Texas Geological Society Fall Symposium, October 26–28, Publication #05-115, CD-ROM [10 p.]. GCCC Digital Publication Series #05-02.

Benson, S.M., Pressure buildup data collection and analysis from the Frio Brine Pilot (poster): presented at the American Geophysical Union Fall Meeting, San Francisco, California, December 5–9, 2005, paper GC13A-1218, unpaginated [1 p.]. GCCC Digital Publication #05-03, pp. 1.

Benson, S.M., Pruess, K., and Doughty, C., Pressure buildup data collection and analysis during carbon dioxide injection at the Frio Brine Pilot (abs.): presented at the American Geophysical Union Fall Meeting, San Francisco, California, December 5–9, 2005, paper GC13A-1218, unpaginated [1 p.]. GCCC Digital Publication #05-03, pp. 1.

Daley, T.M., Myer, L.R., Hoversten, G.M., and Peterson, J.E., Borehole seismic monitoring of injected CO2 at the Frio Site: presented at the American Geophysical Union Fall Meeting, San Francisco, California, December 5–9, 2005, paper GC12A-07. GCCC Digital Publication Series #05-03, pp. 1-24.

Doughty, Christine, Flow modeling for CO2 sequestration: the Frio Brine Pilot: presented at the American Geophysical Union Fall Meeting, San Francisco, California, December 5–9, 2005, paper GC13A-1220. GCCC Digital Publication Series #05-03, pp. 1-2.

Kharaka, Y.K., Cole, D.R., Gunter, W.D., Thordsen, J.J., and Kakouros, E., Gas-water-rock interactions in saline aquifers following CO2 injection: results from Frio Formation, Texas, USA: presented at the American Geophysical Union Fall Meeting, San Francisco, California, December 5–9, 2005, paper GC12A-08. GCCC Digital Publication Series #05-03, pp. 1-16.

McCallum, S.D., Phelps, T.J., Riestenberg, D.E., Friefeld, B.M., and Trautz, R.C., Interpretation of perfluorocarbon tracer data collected during the Frio carbon dioxide sequestration test: presented at the American Geophysical Union Fall Meeting, San Francisco, California, December 5–9, 2005, paper GC13A-1214. GCCC Digital Publication Series #05-03, pp. 1-2.

Sakurai, S., Hovorka, S., Holtz, M., and Nance, S., The Frio Brine Pilot experiment: managing CO2 sequestration in a brine formation: presented at the American Geophysical Union Fall Meeting, San Francisco, California, December 5–9, 2005, paper GC12A-06. GCCC Digital Publication Series #05-03, pp. 1-26.

Trautz, R., Freifeld, B.M., Doughty, C., Benson, S.M., Phelps, T.J., and McCallum, S.D., Field characterization of reservoir flow paths using miscible and immiscible tracer tests: presented at the American Geophysical Union Fall Meeting, San Francisco, California, December 5–9, 2005, paper GC13A-1224. GCCC Digital Publication Series #05-03, pp. 1.

Benson, S.M., Pruess, K., and Doughty, C., Pressure measurements and buildup analysis at the Frio Brine Pilot: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-19.

Collins, D.J., From concept to reality: a systematic management approach for field implementation of the Frio Brine Pilot test: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-19.

Daley, T.M., Myer, L.R., Hoversten, G.M., and Majer, E.L., Time-lapse monitoring of CO2 injection with vertical seismic profiles (VSP) at the Frio Project: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-21.

Dodds, K., Time-lapse EM and seismic imaging of a CO2 plume: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-35.

Doughty, C., Pruess, K., and Benson, S.M., Flow modeling for the Frio Brine Pilot: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-21.

Freifeld, B.M., Trautz, R.C., Kharaka, Y.K., Phelps, T.J., Myer, L.R., Hovorka, S.D., and Collins, D.J.,The U-tube: a novel system for sampling and analyzing multi-phase borehole fluid samples during the Frio Brine Pilot test: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-2.

Holtz, M.H., Fouad, K., Knox, P., Sakurai, S., and Yeh, J., Geologic sequestration in saline formations: Frio Brine Storage Pilot project, Gulf Coast, Texas: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-34.

Hoversten, G.M., Chen, J., Daly, T., Peterson, J., Dodds, K., Zhang, P., Wilt, M., Little, J., Sakurai, S., and Myer, L., Joint inversion of crosswell seismic and EM data for CO2 saturation: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-12.

Hovorka, S.D., Collins, D., Benson, S., Myer, L., Byrer, C., and Cohen, K., Update on the Frio Brine Pilot: eight months after injection: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-31.

Hovorka, S.D., Benson, S., and Myer, L., Frio Brine Pilot: lessons learned and questions restated: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-22.

Hovorka, S.D., Hotinski, R., and Friedmann, S.J., Audience-pleasing physical models to support CO2 outreach: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-10.

Kharaka, Y., Cole, D., Gunter, W., Knauss, K., and Nance, S., Geochemistry of water and gases in the Frio Brine Pilot test: baseline data and changes during and post CO2 injection: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-29.

Knauss, K.G., Johnson, J.W., and Kharaka, Y.K., Preliminary reactive transport modeling and laboratory experiments conducted in support of the Frio Pilot test: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-26.

McCallum, S.D., Riestenberg, D.E., Cole, D.R., Freifeld, B.M., Trautz, R.C., Hovorka, S.D., and Phelps, T.J., Monitoring geologically sequestered CO2 during the Frio Brine Pilot Test using perfluorocarbon tracers: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-9.

Müller, N., Ramakrishnan, T.S., Sakurai, S., and Boyd, A., Time-lapse CO2 monitoring with pulsed neutron logging: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-14.

Nance, H.S., Rauch, H., Strazisar, B., Bromhal, G., Wells, A., Diehl, R., Klusman, R., Lewicki, J., Oldenburg, C., Kharaka, Y.K., and Kakouros, E., Surface environmental monitoring at the Frio CO2 sequestration test site, Texas: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-16.

Papadeas, P.W., Collins, D.J., Hovorka, S.D., Holtz, M.H., and Knox, P., Review of existing injection well permit regulations and expectations of future geologic sequestration CO2 regulations with monitoring conditions: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-21.

Pruess, K., Freifield, B., Kennedy, M., Oldenburg, C., Phelps, T.J., and van Soest, M.C., Use of gas phase tracers for monitoring CO2 injection at the Frio Test Site: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-17.

Sakurai, S., Ramakrishnan, T.S., Boyd, A., Muller, N., Daley, T., Hoversten, M., and Peterson, J., Integrated evaluation for measuring, monitoring, and verifying CO2 distribution: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-21.

Trautz, R., Freifeld, B., and Doughty, C., Comparison of single and multiphase tracer test results from the Frio CO2 Pilot Study, Dayton, Texas: presented at the National Energy Technology Laboratory Fourth Annual Conference on Carbon Capture and Sequestration, Alexandria, Virginia, May 2-5, 2005. GCCC Digital Publication Series #05-04, pp. 1-11.

Hovorka, S.D., Monitoring and verification issues for carbon storage: presented as online lecture to Regional Sequestration Partnerships Outreach and Geologic Working Groups, Austin, Texas, 2006. GCCC Digital Publication Series #06-01.

Hovorka, S.D., Stacked storage field project: presented at SECARB Industry Briefing, Atlanta, Georgia, January 18–19, 2006. GCCC Digital Publication Series #06-02.

Hovorka, S.D., Holtz, M.H., Smyth, R.C., Núñez-López, V., Kim, E., Breton, C.E., Scanlon, B.R., Reedy, R.C., Paine, J., Tinker, S., and Duncan, I., Assessment of geological storage capacity of the southeastern U.S. for CO2 in brines and economic use for EOR: presented at SECARB Industry Briefing, Atlanta, Georgia, January 18–19, 2006. GCCC Digital Publication Series #06-03.

Smyth, R. C., Holtz, M. H., and Guillot, S. N., 2006, Assessing impacts to groundwater from CO2-flooding of SACROC and Claytonville oil fields in West Texas (abs.) in Proceedings of the 2006 UIC Conference of the Groundwater Protection Council, Abstract 15. GCCC Digital Publication Series #06-04.

Nicot, J. -P., Hovorka, S. D., Knox, P. R., and Naing, Thet, 2006, Area of review: how large is large enough for carbon storage? in Proceedings of the 2006 UIC Conference of the Groundwater Protection Council, Abstract 17. GCCC Digital Publication Series #06-05.

Hovorka, S. D., Sakurai, Shinichi, Kharaka, Y. K., Nance, H. S., Doughty, Christine, Benson, S. M., Freifeld, B. M., Trautz, R. C., Phelps, Tommy, and Daley, T. M., 2006, Monitoring CO2 storage in brine formations: lessons learned from the Frio field test one year post injection, in Proceedings of the 2006 UIC Conference of the Groundwater Protection Council, Abstract 19. GCCC Digital Publication Series #06-06.

Ambrose, W. A., Breton, C. L., Duncan, Ian, Holtz, M. H., Hovorka, S. D., Núñez-López, Vanessa, and Lakshminarasimhan, Srivatsan, 2006, Source-sink matching and potential for carbon capture and storage in the Gulf Coast, in Proceedings of the 2006 UIC Conference of the Groundwater Protection Council, Abstract 16. GCCC Digital Publication Series #06-07.

Holtz, M.H., Optimization of CO2 sequestered as a residual phase in brine-saturated formations: presented at the Bureau of Economic Geology Technical Seminar, The University of Texas at Austin, February 10, 2006. GCCC Digital Publication Series #06-08.

Nicot, J. -P., Saripalli, Prasad, Hovorka, S. D., and Lakshminarasimhan, Srivatsan, 2006, Leakage pathways from potential CO2 storage sites in the Texas Gulf coast and implications for permitting (abs.), in Fifth Annual Conference on Carbon Capture & Sequestration: Taking steps toward deployment utilizing the accumulated knowledge base, May 8–11, Alexandria, Virginia, unpaginated. GCCC Digital Publication Series #06-09.

Smyth, R. C., Hovorka, S. D., Meckel, T. A., Breton, C. A., Paine, J. G., and Hill, G. R., 2007, Potential sinks for geologic storage of CO2 generated in the Carolinas: The University of Texas at Austin, Bureau of Economic Geology, final report prepared for Southern States Energy Board and Electric Power Research Institute (http://www.beg.utexas.edu/environqlty/co2seq/pubs_presentations/CarolinasSummary_16April07.pdf), 14 p. GCCC Digital Publication Series #07-01.

Hovorka, S.D., Introduction to geologic sequestration of CO2: presented at the U.S. Senate Committee on Energy and Natural Resources, Washington, D.C., January 25, 2007. GCCC Digital Publication Series #07-02.

Hovorka, S.D., Kharaka, Y.K., Knauss, K.G., Cole, D., and Wong, C., Role of geochemical interactions in assuring permanence of storage of CO2 in geologic environments: presented at the 2007 American Institute of Chemical Engineers Spring Meeting, Fuels and Petrochemicals Division (16), Houston, TX, April 23, 2007. GCCC Digital Publication Series #07-03.

Meckel, T.A., Considering faults in CCS: presented at the Outreach Working Group (OWG) for the regional carbon sequestration partnerships, teleconference, June 14, 2007. GCCC Digital Publication Series #07-04.