HGS General Lunch- 3-D Volumetric Interpretation with Computational Stratigraphy Models

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Total Seats: 100 Reserved: 18
 Registration is closed for this event

Wednesday, November 29, 2017 2017
The Petroleum Club of Houston
1201 Louisiana Street, Houston, TX
- The top floor of Total Building
- Access to the Downtown tunnel system
Social 11:15 AM, Luncheon 11:30-1:00
Cost: $35 pre-registered members; $40 for non-members/ALL walk-ups;
$35 for Emeritus/Life/Honorary; $15 for HGS student members if pre-registered and pre-paid.

To guarantee a seat, you must pre-register on the HGS website and pre-pay with a credit card.  You may walk up and pay at the door if extra seats are available.  Please cancel by phone or email within 24 hours before the event for a refund.  Online &
pre-registration closes Tuesday, November 28 at 5:00 AM

Speaker: Dr. Lisa Renee’ Goggin
Company: Chevron Energy Technology Company

3-D Volumetric Interpretation with Computational Stratigraphy Models

Seismic sequence stratigraphic approaches rely upon the basic assumption that seismic reflections represent time-equivalent surfaces.  Many studies demonstrate that tracked seismic reflections reveal apparent morphological forms of depositional systems but these studies seldom address how seismic reflections, impedance contrasts and formation boundaries relate.  Formation and fluid boundaries create scale-dependent seismic responses and we should expect that as vertical and lateral facies changes occur and as seismic frequency degrades, the impedance and seismic amplitude responses will also be altered.  Complex relationships between facies and seismic response can create reflections that are discordant with geologic time.  Recognizing how seismic response relates to lateral and vertical facies changes is critical to understanding whether seismic reflections are accurately revealing the geomorphologic form of time-equivalent geologic surfaces. 
To investigate whether seismic reflections accurately capture geomorphology and formation boundaries and to test how frequency content in seismic volumes may change reflection response, we utilized computational stratigraphy to generate 3D geological depositional models that were transformed into scalable seismic analogs.  Honoring the physics of depositional process and grain transport, a scale model of a fluvially-dominated delta was created.   The depositional model was converted into seismic volumes of various frequencies (1D convolutional approach) and the resultant seismic reflections were compared to the known positions of time-equivalent depositional/erosional surfaces and
facies from the synthetic model.  At all tested seismic frequencies, we observed reflections discordant with known time-synchronous events from the model.  The observed discordance often worsened with frequency loss and occasionally resulted in amplitude responses that were discordant with facies trends in the model.  This result suggests that the assumption that seismic reflections are time-synchronous boundaries in the subsurface, requires further investigation and that scale and seismic frequency are critical components of sequence stratigraphic classification and should not be overlooked in our quest to classify our interpretations.


An early interest in chemistry, a love of outdoor activities & a penchant to collect rocks led to a pursuit of advanced degrees in geology & chemistry.  An opportunity to “sit” a well as a mud-logger during her undergraduate years gave her a passion for finding oil & gas and after completing multiple internships in the oil industry & a Ph.D. in Geology at Indiana University, she joined Chevron. While at Chevron she has served as an exploration & development geologist, described & interpreted cores, led field schools & taught seismic interpretation & visualization techniques to teams around the globe.  She is currently a member of a team of inventors and integrators of new technology & applied geologic workflows designed to bridge the gap between low-resolution data & high-resolution modeling.  She is a proven “Oil Finder” who has received several patents and currently has numerous additional patent applications on file at the US Patent office.  She is described as an enthusiastic speaker and leader who is passionate about sharing technology and ideas.  Professional associations include: Registered Professional Geologist (ASBOG), member of AAPG, GSA, HGS, Sigma Xi & Sigma Zeta Honor Societies & is currently serving on the Board of the National Cave & Karst Research Institute.

November 29th, 2017 11:15 AM   through   1:00 PM
Houston, TX-77002
United States
HGS Member $ 35.00
Non-Member $ 40.00
Emeritus/Honorary Life $ 35.00
Student $ 15.00
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Contact Bob Wiener
Contact Phone (832) 978-8123
contact Email rwiener@sbcglobal.net

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