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Online Courses
Green River Shales: Geochemical Basin Study -- An AAPG E-Symposium
(post-event materials available - asynchronous recording of original presentation)
- INSTRUCTOR:
- Ye Zhang, University of Wyoming, Laramie, WY
- INSTRUCTOR LOOKUP
- DATES:
- Ongoing, self-paced course
- TUITION:
-
Member:
$75.00
• Nonmember $95.00
SIGN UP NOW
Recording of original webinar, packet of independent study reading materials, PDF of original PowerPoint presentation by FTP download. (Original presentation date: August 16, 2011.) Some materials will also sent by e-mail. Expanded package for CEU credit is $100 for AAPG members, and $145 for non-members. Special Student Pricing: $25 for Webinar only; $35 for Expanded package. - LIMIT:
- 200 people
- CONTENT:
- 1.0 What is a CEU?
Who Should Attend
This course is ideal for geologists, geophysicists, engineers, and other energy professionals who want to learn about the Green River Shales (Uinta Basin, USA) and the importance of the geochemistry of formation fluids in shale gas reservoirs.
Objectives
Upon successful completion of this course, you will be able to describe the importance of the geochemistry of formation fluids in shale gas reservoirs and discuss differences between plays. Further, you will be able to discuss biogenic methane formation is observed only in the upper Green River Formation in the central to northern Uinta Basin.
Content
The geochemistry of formation fluids (water and hydrocarbon gases) in the Uinta Basin, Utah, is evaluated at the regional scale based on fluid sampling and compilation of past records. The focus is on the hydrogeochemistry and gas compositions from the vantage point of a basin-wide view.
Studies suggest that gas composition and water-gas stable isotope characteristics in the central to southeastern basin indicate the presence of a deep, thermogenic, and regionally continuous gas deposit. In particular, gases sampled in this region from the Wasatch Formation and Mesaverde Group indicate a similar source rock (type III kerogen of the deeply buried, thermally mature Mesaverde Group in the central to northern basin) as well as migration from the Natural Buttes gas field toward the southeastern basin.
Evidence for biogenic methane formation is observed only in the upper Green River Formation in the central to northern Uinta Basin. Here, the organic-rich, immature Green River shales experience meteoric water invasions and formation fluid chemistry, and stable isotope compositions are diagnostic of microbial methanogenesis.
This study was co-authored by Carl W. Gable, George A. Zyvoloski, and Lynn M. Walte.
Structure of the E-Symposium
Each e-symposium consists of one-hour live e-symposium, along with material for one full day of independent study. The live portion will be followed by a full day of independent study (not a live event). The one-hour live e-symposium can be accessed from any computer anywhere in the world using a high-speed internet connection. After the event is over, you will receive via email information about accessing the asynchronous segment (not live) which consists of your independent study materials, to be accessed and studied at any time. You will be able to email responses to the readings, along with your study question answers for CEU credit (if you sign up for the extended package).