Carbonate and clastic sedimentology
Seismic and wire-log interpretation.
Ph.D., Geology, University of Colorado, 1992
Diploma (M.S.), Geology, Geologisches/Paläontologisches Institut, Universität Erlangen, Germany, 1987
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
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.
Hammes, Ursula, 1995, Initiation and development of small-scale sponge mud mounds, Upper Jurassic (Oxfordian), Southern Franconian Alb, Germany, in Monty, C.L.V., Bosence, D., Bridges, P., and Pratt, B., eds., Mud-mounds: origin and evolution: International Association of Sedimentologists, Special Publication, v. 23, p. 335–357.
Budd, D. A., Hammes, Ursula, and Vacher, H. L., 1993, Calcite cementation in the Upper Floridan aquifer: a modern example for confined-aquifer cementation models?: Geology, v. 21, p. 33–36.