$250 – $500

Sedimentology, Ichnology and Sequence Stratigraphy; Cretaceous Parkman Sand...

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USGS Core Research Center

Lakewood, CO 80226

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The fee of $500 includes lunch, class notes, and PDH certificate. The Instructor wiill be Dr. James Maceachern, Simon Fraser University

The Course

There has been a revival in drilling activity in the Parkman Sandstone. With this renewed interest comes a number of exploitation problems. Production from Parkman wells tends to be erratic, and in some cases the cleanest sandstones are the worst reservoirs. Correlation is challenging, as log motifs change rapidly along both depositional strike and down depositional dip. Like most Powder River Basin clastic reservoirs, there appear to be as many interpretations as there are operators.

A thorough understanding of Parkman sedimentology and stratigraphy can solve at least some of these problems. Through a systematic approach of determining the hydrodynamic processes responsible for the observed sedimentary facies, integrated with animal responses to the environment (as manifest through bioturbation), the core data explored in this workshop presents new ideas on depositional environments and correlation methods.

Using lectures and hands-on core exercises, participants will learn how to identify and interpret the significance of bedding styles, sedimentary structures and trace fossils, assess bioturbation index, and differentiate key sequence stratigraphic breaks from autogenic surfaces. By integrating these observations, participants will be able to interpret the relative influence of river-, tide-, and wave-related processes on the various depositional environments. After taking this workshop, participants should be able to better relate production trends to reservoir distribution and quality.

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USGS Core Research Center

Lakewood, CO 80226

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