A Live Webinar featuring, Tad Smith, PhD Geology

Duration/Format: 4 half-day interactive webinar sessions, March 23 to 26, 9:00 am to 1:00 pm Central Time (Houston, USA)

If you are new to the GSH Website, you will need to create a login ID to register and participate, thank you.

The conditioning and analysis of log data for quantitative seismic interpretation is often simply categorized as “rock physics.” Unfortunately, rock physics workflows often overlook or oversimplify the proper editing and interpretation of log data, the result of which can be unrealistic expectations and interpretations of seismic amplitude responses. The more encompassing phrase “seismic petrophysics” better describes the necessary linkage between petrophysics and rock physics. Seismic petrophysics not only includes rock physics, but also includes the proper conditioning and interpretation of log data that should occur prior to the application of rock physics and seismic models. This is especially true in conditioning log data for shear-wave velocity estimation, fluid substitution calculations, and AVO modeling.

This class will focus on the important role of “seismic petrophysics” in the quest to extract additional information from subtle seismic responses. Some of the topics covered will include important background information, relevant aspects of petrophysical interpretation, various aspects of log editing, and the basics of elasticity and rock physics. We will spend considerable time discussing some common pitfalls associated with the “workhorses” of rock physics, including invasion corrections, problems associated with shear velocity estimation, and some of the challenges and pitfalls associated with Gassmann fluid substitution. It is important to recognize that log data should not simply be recomputed to fit prior expectations as defined by a rock physics model. Instead, rock physics models should be used as templates, which allow the interpreter to better understand the underlying physics of observed log responses and how they are governed by local petrophysical properties. Case studies and hands-on exercises will be used to reinforce critical concepts.

SOME TOPICS TO BE COVERED    (Subject to Change)
- Some Fundamentals
 - Basics of elasticity
 - Log edits for seismic integration
 - Velocity Systematics
 - Frame property models
 - Basics of anisotropy
 - Fluid substitutions and porosity modeling
 - Shear velocity QC, estimation, and editing
 - Shear velocity and Gassmann pitfalls
 - Trend plot and cross-plot analysis
 - Managing & delivering seismic petrophysics for a Q1 Project

Miss part of the sessions? Never fear. All sessions are recorded and available for later viewing by registered users.
It works on PC's, iPads, or iPhones. No travel costs. 1.6 CEU's are awarded.