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The Project builds in three major steps, each of which are introduced sequentially and take about a week to complete. Part A involves the description and interpretation of a 57-foot core from a single well. The core is a sample of the lower Goose Egg Formation and upper Minnelusa Formation. Goals include: 1) delimiting lithologic units useful for interpretation; 2) recognition of an unconformity; and 3) appreciating resolution limits of core data. Part B tasks the students to relate the core description of Part A to the well log (GR and sonic) from the same well; depth adjustment for relating the two data types is necessary. Based on Part A and additional information provided, the well log is to be interpreted in terms of 6 lithologies. Using well log cross sections, intersecting at the cored well, the students correlate and trace the subdivisions of the upper Minnelusa, unconformity surface, and subdivisions of the lower Goose Egg. Goals include: 1) appreciation for well log response to sedimentary rocks; 2) resolution limits of well log data (reflection back to Part A); and 3) how iteration of work and integration of information can assist in recognition of unconformity surface (reflection back to Part A). Part C directs students to produce subsurface maps that aid in generating a drilling prospect based on a play concept. The play concept is the location of a structurally tilted paleo-ridge below the sub-Goose Egg unconformity. Given a table of depth information (KB, unit tops and TD), the students construct the following maps: structure map; gross interval isopach map from a marker to base Goose Egg as a surrogate for paleotopography; paleogeologic map along the sub-Goose Egg unconformity; and a map integrating the information from the other maps to support a prospective drilling location. Finally, each student writes a defense for their prospect and participates as a team member in the oral presentation of their results. Goals include: 1) developing contouring skills; 2) integrating perspective from Part B in to map constructions; 3) graphic representation of 3D relationships; and 4) written and oral presentation of data and findings.
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