Historical Marker

Ector County's First Dry Hole

Odessa, Ector County · Texas
Erected 1965

The potash the geologists hoped for was real. The Permian Basin takes its name from rocks laid down when the region sank beneath the Permian sea, which left one of the thickest Permian deposits anywhere. As that sea retreated it became a landlocked basin where evaporation outran inflow, and thick evaporites formed, among them potash, a critical material in World War I that had come from Germany. Johan August Udden's work led the U.S. Geological Survey to search here. The first commercial deposit was found in New Mexico in 1925, and Texas deposits went undeveloped.

What the plaque says

Ector County's First Dry Hole Drilled in 1924 near this site. Geologists were forecasting oil and urgently-needed potash, but Pennsylvania experts (using a chilled shop core drill) gave up the well at 900 feet, on "Red Bed" Rock--A substance new to them. Loss in this and a second drilling was $150.000. In 1927 a well was brought in just west of Odessa, and in a few years oil was found within yards of the first dry hole. By 1964 Ector County had 9,600 oil and 22 gas wells. However, the U.S. average is 8 dry holes out of 9 wells such as that drilled here in 1924. (1965)

Where it stands

31.86202, -102.34672 · Directions

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