Looking for Gas Layers in the Anadarko Basin, Oklahoma

Constantin CRANGANU
Brooklyn College, City University of New York
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The students perform a well log analysis in order to discover gas-bearing layers in a sedimentary basin (Anadarko)

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Graduate course in Geophysics
Graduate course in Petroleum Geology Designed for a geophysics course

Skills and concepts that students must have mastered

The students should know the basic well logs used in borehole geophysics, their specific measurements and applications.

How the activity is situated in the course

This activity is either a homework or small class project.


Content/concepts goals for this activity

Interpreting various well logs in a synergistic way in order to identify and characterize gas-bearing layers in a sedimentary basin.

Higher order thinking skills goals for this activity

A thorough, synergistic analysis of available borehole well logs may represent a valuable approach to identify gas-bearing layers

Other skills goals for this activity

If the activity is a small class project, then each student will make an oral presentation of his/her work.

Description of the activity/assignment

Students will receive a written material describing how various well logs can be used in a synergistic way to yield more useful information about possible gas presence in sedimentary layers.

A detailed description of the method is done by the instructor and an example is fully worked in class. Then, either all students receive Figure 3 as a homework or (if possible) each student will receive an individual set of logs. For the latter situation, the student will then make an oral presentation of his/her findings and a class discussion will follow under instructor's guidance. Uses online and/or real-time data Addresses student fear of quantitative aspect and/or inadequate quantitative skills Uses geophysics to solve problems in other fields

Determining whether students have met the goals

Figure 3 can be compared with published results by Deming et al., 2002 and Cranganu, 2005.
For small class project, class discussion will ensure that the principles of finding gas-bearing layers using well logs were followed and a consensus about the locations and the number of gas-bearing layers is emerging among students and instructor.

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