Carbonate and clastic sedimentology
Seismic and wire-line log interpretation
Ph.D., Geology, University of Colorado, 1992
Diploma (M.S.), Geology, Geologisches/Paläontologisches Institut, Universität Erlangen, Germany, 1987
Research Scientist, GeoEn Shale-Gas coordinator, Universität Potsdam, Institut für Erd- und Umweltwissenschaften, Potsdam, Germany (August 2011 – July 2013)
Exploration Geologist, Anadarko Petroleum Corporation, Houston, Texas, 1997-2001
Postdoctoral Research Fellow, Bureau of Economic Geology, The University of Texas at Austin, 1995-1997
Environmental Scientist/Geologist, IT Corporation, Houston, Texas, 1994-1995
Geologic Consultant, Marathon Oil Company, PTC, Littleton, Colorado, 1992-1994
Ogiesoba, O. and Hammes, U., 2014, Seismic-attribute identification of brittle and TOC-rich zones within the Eagle Ford Shale, Dimmit County, South Texas: J Petrol Explor Prod Technol, DOI 10.1007/s13202-014-0106-1.
Hammes, U. and Gale, J. F. W., 2013 (eds.), Geology of the Haynesville gas shale in East Texas and West Louisiana: AAPG Memoir 105, 236 pp.
Hammes, Ursula, and Gale, J. F. W., 2013, Geology of the Haynesville Gas Shale in East Texas and West Louisiana, USA, in Hammes, U. and Gale, J. F. W., eds.: AAPG Memoir 105, p. 1-4.
Wang, F.P., Hammes, Ursula, and Li, Q., 2013, Overview of Haynesville Shale properties and production: in Hammes, U. and Gale, J. F. W., eds.: AAPG Memoir 105, p. 155–177.
Hammes, Ursula, Krause, M., and Mutti, M., 2013, Unconventional reservoir potential of the upper Permian Zechstein Group: a slope to basin sequence stratigraphic and sedimentological evaluation of carbonates and organic-rich mudrocks, Northern Germany: Environmental Earth Sciences, v. 70, p. 3797–3816
Loucks, R. G., Reed, R. M., Ruppel, S. C., and Hammes, U., 2012, Spectrum of pore types and networks in mudrocks and a descriptive classification for matrix-related mudrock pores: AAPG Bulletin, v. 96, no. 6, p. 1071‒1098.
Ogiesoba, O. C., and Hammes, U., 2012, Seismic interpretation of mass-transport deposits within the upper Oligocene Frio Formation, south Texas Gulf Coast: AAPG Bulletin, v. 96, no. 5, p. 845‒868.
Hammes, Ursula, and Frébourg, G., 2012, Haynesville and Bossier mudrocks: a facies and sequence stratigraphic investigation, East Texas and Louisiana, USA: Marine and Petroleum Geology, v. 31, p. 8‒26.
Hammes, U., Hamlin, H. S., and Ewing, T. E., 2011, Geologic analysis of the Upper Jurassic Haynesville Shale in east Texas and west Louisiana: AAPG Bulletin v. 95, no. 10, p. 1643–1666.
Hammes, Ursula, Eastwood, Ray, Rowe, H. D., and Reed, R. M., 2009, Addressing conventional parameters in unconventional shale-gas systems: depositional environment, petrography, geochemistry, and petrophysics of the Haynesville Shale, in Carr, T., D'Agostino, T., Ambrose, W., Pashin, J., and Rosen, N. C., eds. Unconventional energy resources: making the unconventional conventional: 29th Annual GCSSEPM Foundation Bob F. Perkins Research Conference, December 6–8, Houston, p. 181–202.
Hammes, Ursula, 2009, Sequence stratigraphy and core facies of the Haynesville Mudstone, East Texas: Gulf Coast Association of Geological Societies Transactions, v. 59, p. 321-324.
Hammes, Ursula, Loucks, R. G., Brown, L. F., Jr., Treviño, R. H., Montoya, Patricia, and Remington, R. L., 2007, Reservoir geology, structural architecture, and sequence stratigraphy of a growth-faulted subbasin: Oligocene Lower Frio Formation, Red Fish Bay Area, South Texas Gulf Coast: The University of Texas at Austin, Bureau of Economic Geology Report of Investigations No. 272, 28 p. + plate.
Zeng, Hongliu, Loucks, R. G., and Hammes, Ursula, 2008, Linear amplitude patterns in Corpus Christi Bay Frio Subbasin, south Texas: interpretive pitfalls or depositional features?: Geophysics, v. 73, no. 5, p. A27–A31.
Brown, L. F., Jr., Loucks, R. G., Treviño, R. H., and Hammes, Ursula, 2006, Understanding growth-faulted, intraslope subbasins by applying sequence-stratigraphic principles: examples from the south Texas Oligocene Frio Formation: Reply: AAPG Bulletin, v. 90, no. 5, p. 799–805.
Brown, L. F., Jr., Loucks, R. G., Treviño, R. H., and Hammes, Ursula, 2004, Understanding growth-faulted, intraslope subbasins by applying sequence-stratigraphic principles: examples from the south Texas Oligocene Frio Formation: AAPG Bulletin, v. 88, no. 1, p. 1501–1522.
Budd, D. A., Hammes, Ursula, and Ward, W. B., 2000, Cathodoluminescence in calcite cements: new insights on Pb and Zn sensitizing, Mn activation, and Fe quenching at low trace-element concentrations: Journal of Sedimentary Research, v. 70, no. 1, p. 217–226.
Hammes, Ursula, 1997, Electrical imaging catalog: microresistivity images and core photos from fractured, karsted, and brecciated carbonate rocks: The University of Texas at Austin, Bureau of Economic Geology Geological Circular 97-2, 40 p.