The Gulf's Bateson No. 1 is located approximately 3 miles northwest of Bay City, Michigan, in CS/2-SE.-SE. Sec. 2, T. 14 N., R. 4 E. It was completed at a total depth of 10,447 feet in the St. Peter sandstone. This is the first well that has penetrated rocks of Silurian and Ordovician age near the center of the Michigan structural basin. The stratigraphy of the formations drilled are described, and correlations are made with other deep wells in the state. Gas was encountered in a dolomitic member near the base of the Salina formation. At this point the well blew out and caught fire, destroying the drilling equipment. An exceptional occurrence of gas, as inclusions in the Salina salt above the producing zone, caused blow-outs and presented many drilling-mud problems. No sh wings of oil or gas were encountered below the Salina gas zone.

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