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Soft Rock Seminar: Julio Leva
Start:December 3, 2012 at 12:00 pm
End:
December 3, 2012 at 1:00 pm
Location:
JGB 3.222
Contact:
Rattanaporn Fongngern (Jah), rattanapornf@utexas.edu
BEG Friday Seminar Series: Dr. Osareni Ogiesoba, BEG
Start:December 7, 2012 at 9:00 am
End:
December 7, 2012 at 10:00 am
Location:
J.J. Pickle Research Campus, Bldg. 130, room #1.202
Video Streaming: Not available for this seminar
SEISMIC INVERSION FOR SHALE GAS/OIL IN THE AUSTIN CHALK AND EAGLE FORD SHALE IN A SUBMARINE VOLCANIC TERRAIN, MAVERICK BASIN, SOUTH TEXAS
Osareni (Chris) Ogiesoba
Bureau of Economic Geology (STARR)
Hydrocarbon exploration in the Austin Chalk began in 1916 with the discovery of hydrocarbon traps located in and around volcanic centers (serpentine plugs) encased by Austin Chalk. Owing to the occurrence of hydrocarbons around these serpentine plugs, exploration efforts were focused on identifying surface as well as subsurface locations of volcanic centers within the Austin Chalk. However, with the realization of the existence of fault-related, fractured reservoirs within the Austin Chalk in the 1980’s, fault zones became the main target of exploration—and the drilling spree started. To date, more than 2,000 horizontal wells have been drilled within the Austin Chalk.
Although some of these wells were successful, many others failed either because they did not penetrate hydrocarbon sweet spots, or hydrocarbon-source-rock distribution within and outside the Austin Chalk was unknown. In this project, seismic inversion studies was conducted by combining seismic data with wireline logs to determine sweet spots and predict resistivity distribution (using the deep-induction log) within the Austin Chalk and Eagle Ford Shale in South Texas.
Results show that >90% of productive zones are in the lower part of the Austin Chalk and are associated with Eagle Ford vertical-subvertical en echelon faults, suggesting hydrocarbon migration from the Eagle Ford Shale. Furthermore, the lower Austin Chalk and upper Eagle Ford Shale together appear to constitute a continuous (unconventional) hydrocarbon play.
In addition, local accumulations within the Austin Chalk may be related to Austin TOC-rich zones or migration from the Eagle Ford through fractures. The quality-factor attribute (Q) can serve as a tool for detecting high-water saturated zones. Although Q was not selected as one of the primary attributes for predicting resistivity, it nevertheless can serve as a good reconnaissance tool for predicting resistivity and brittle zones. Wells that have high water production do so because the water-bearing middle Austin Chalk that sits on the downthrown side of Eagle Ford regional faults constitutes a large section of the horizontal well, as evidenced by the Q attribute. Finally, based on the seismic stratigraphic positions of identified submarine volcanic mounds within the Austin Chalk, volcanic activity probably continued up middle Campanian time.
JSG Fall Graduation
Start:December 8, 2012 at 1:00 pm
End:
December 8, 2012 at 3:00 pm
Location:
McCullough Theatre (in the Performing Arts Complex)
Contact:
Erin Negron, erin.negron@jsg.utexas.edu, 512-471-5870
View Event
Event: The Jackson School of Geosciences 2012 Fall Commencement Ceremony and Reception
Speaker: Brewster McCracken
Reception: Immediately following ceremony, at Holland Family Student Center (JGB), refreshments will be served
DeFord Lecture | Courtney SchumacherNovember, 19 2026Time: 3:30 PM - 4:30 PMLocation: JGB 2.324 How Stratiform Rain Shapes Weather, Climate, and the Geological Record by Courtney Schumacher, professor at Texas A&M University |
Bureau of Economic Geology Seminar SeriesNovember, 20 2026Time: 1:00 PM - 2:00 PMLocation: BEG Bldg 130, VR Room 1.116C BEG Seminar presented by Katie Smye, Principal Investigator of the Center for Injection and Seismicity Research, BEG in person and on Zoom. Title: Shallow Injection Capacity in the Permian Basin: Pressure Limits, Legacy Wells, and Leakage Susceptibility Effective water-resource planning requires connecting available water with climate dynamics and sector-specific water demand. This presentation presents application of satellite remote sensing, hydrological modeling, data analytics and machine learning in estimating water availability across scales. Texas applications examine groundwater depletion, drought, TX municipal water-demand projections, and energy generation water use. Continental and global studies benchmark water-availability estimates, develop satellite-based indicators, and integrate GRACE satellite-based observations into hydrological models using machine learning. Daily evapotranspiration mapping further supports assessment of water use and drivers of droughts. Together, these studies demonstrate how complementary observations and modeling approaches can strengthen water-resource assessment and planning. Join Zoom Meeting: https://utexas.zoom.us/j/93201377630?pwd=KzF3TW53SFYzSUg4SUZVNGtxd3JvZz09 This session will not be recorded. Meeting ID: 932 0137 7630 Passcode: 013011 |
Reddit AMA ft. Team REASONDecember, 03 2026Time: 9:00 AM - 11:00 AMLocation: UTIG Seminar Conference Room - 10601 Burnet Road, Bldg. 196/ROC 1.603 Join REASON team members Krista Soderlund and Cyril Grima and UTIG planetary scientist Elizabeth Spiers on reddit.com/r/askspace for an \"Ask me anything!\" about their work on the REASON radar. The REASON team invites members of the Jackson School community to join us in the UTIG Seminar Conference Room - 10601 Burnet Road, Bldg. 196/ROC 1.603 during the AMA to ask questions about our work! REASON is an ice-penetrating radar aboard NASA’s flagship Europa Clipper spacecraft on its mission to explore icy ocean habitats on Jupiter’s moon Europa. Developed by UTIG at the Jackson School of Geosciences, REASON is one of nine instruments aboard Europa Clipper and the only one that can look directly into Europa’s miles-thick icy shell. It’s here that researchers hope to map its structure, search for subsurface water pockets, and help determine if the ocean below could support life. During the week of November 30th, Europa Clipper is set to slingshot around Earth for a crucial gravity assist that will help send the spacecraft toward Jupiter. This is the perfect opportunity for us to discuss REASON’s journey from conception and development, to Earth-bound calibration, validation, its trial run on imaging Mars, and its journey to the final frontier. While the full team is comprised of numerous scientists, we have three members available to answer questions about REASON and Clipper:
Questions? Email social@ig.utexas.edu. |
Bureau of Economic Geology Seminar SeriesDecember, 04 2026Time: 1:00 PM - 2:00 PMLocation: BEG Bldg 130, VR Room 1.116C BEG Seminar Series presented by Mark Shuster, Deputy Director BEG, in person and Zoom. Topic: TBD |
UTIG Fall Seminar Series 2026: AGU Student Extravaganza!December, 04 2026Time: 10:30 AM - 11:30 AMLocation: UTIG Seminar Conference Room - 10601 Burnet Road, Bldg. 196/ROC 1.603 More details about this talk will be available soon. |