Eight drilling permits were issued and no wells were drilled through March 2014.
Forty seven drilling permits were issued and 30 wells were drilled in 2013. Three companies drilled 27 wells for potash in the area of Petrified Forest National Park east of Holbrook.
Eleven drilling permits were issued and nine wells were drilled through June 30, 2013.
Fifteen miles south of Florence, Arizona, preparations for a unique drill hole were completed in late February. The drill hole is unprecedented in its physical dimensions. It will likely smash the Arizona depth record of 12,500 feet set in 1972 by Exxon, 15 miles southeast of Tucson.
Fifty three drilling permits were issued, 36 wells were drilled, and two wells were plugged as of December 1, 2012.
Thirty four drilling permits were issued and 16 wells were drilled through June 30, 2012. All but three permits and one well drilled were stratigraphic tests for potash east of Holbrook.
Seventy five drilling permits were issued, which set a record for the number of permits issued in a single year (see graph), 67 wells were drilled, and two wells were plugged in 2011.
Recent exploitation of shale to extract gas and oil has resulted in a boom of drilling and hydraulic fracturing across the United States. The U.S. Energy Information Administration has mapped the primary shale gas basins in the United States as shown in the accompanying figure. None are in Arizona.
Seventy five drilling permits were issued, 67 wells were drilled, and one well was plugged through mid-December. All but two permits and all wells drilled were stratigraphic tests for potash. Two permits were for obligation wells at the St Johns Gas Unit.
Sixty five drilling permits were issued and 44 wells have been drilled through July. All are stratigraphic wells for potash.