Geol-4165_Subsurface_Geology-ch1B-Data_Quality

Geol-4165_Subsurface_Geology-ch1B-Data_Quality - Geol-4165...

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Click to edit Master subtitle style Geol-4165 Subsurface Geology Instructors: Brown, Nunn, and OSears, 08
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Objectives Offers an introductory review of the basics of computer mapping How to delineate a play Understand how changing the method will change the map How different methods could be used to better sell a prospect What trend surface analysis will do to enhance subtle features Brown, Nunn, and OSears, 08
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10 Key Aspects of Accurate Subsurface Interpretation and Mapping 1. All subsurface interpretations must be geologically and geometrically valid in three dimensions. 2. An interpreter must have a fundamental, classic education in geology and a strong background in structural geology for the tectonic setting being worked. 3. Sufficient planning, time and detail are required to generate reliable prospects. Haste makes waste. Brown, Nunn, and OSears, 08
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10 Key Aspects-Cont’ 4. All subsurface data must be used to develop a reasonable and accurate subsurface interpretation. 5. Accurate correlations (well log and seismic) are required for reliable geologic interpretations. 6. The use of correct mapping techniques and methods is essential to generate reasonable and correct subsurface interpretations. Brown, Nunn, and OSears, 08
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10 Key Aspects-Cont’ 7. All important and relevant geologic surfaces must be mapped and the maps integrated to arrive at a reasonable and accurate subsurface picture. 8. The mapping of multiple horizons is essential to develop reasonably correct, three-dimensional interpretations of complexly faulted areas. Brown, Nunn, and OSears, 08
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10 Key Aspects-Cont’ 9. Balanced cross sections are required to prepare a reasonably correct interpretation of complexly deformed structures.
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Geol-4165_Subsurface_Geology-ch1B-Data_Quality - Geol-4165...

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