GY 305 Geophysics Lab 5: Petroleum Geophysics Mapping Exercises Your Task(part 1): Isopach maps are used to portray the three dimensional disposition of strata and formations. Using the well logs from the previous 2 lab exercises, produce 10 foot isopach maps for the Waikato Limestone, Palmerston Shale, Quinn Limestone, Smashed Shale and Brayden Sandstone formations. Getting Started:First fill in the blank spaces in the table below with the formation thicknesses that youmeasure from each of the 10 electric logs that you received in Labs 3 and 4. The thicknesses of the formations at the 4 wells that you did not receive logs for are provided free of charge on the table. Once you have all of the data for all of the formations, use the blank maps provided to produce your isopach maps. Use one map per formation and clearlylabel the formation name on each of the maps. Remember, use a 10 foot isopach interval (0, 10, 20, 30 etc.).
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