The Shell Oil Company’s W. M. Coleman No. A-1, discovery well of the Coleman field, is 330 feet from the north line and 990 feet from the east line of Lot 3, Block 74, American Tribune New Colony Subdivision, east-central Archer County, Texas. The anticline on which this well is located was discovered by means of seismograph exploration, supported by subsurface data on shallow key beds.

The surface elevation of the Coleman discovery is 963 feet and the surface rocks at the location are lower Permian in age. Strata of Permian and Pennsylvanian age were penetrated to a depth of...

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