Map of all of the oil and gas wells in Colorado through June 29, 2015. Compiled by Scot Fitzgerald and the Colorado Geological Survey in conjunction with Chris Eisenger and James J. Milne of the Colorado Oil and Gas Conservation Commission (COGCC), 2015. Digital PDF Download. MS-44D
At that time there were 52,235 active wells, 49,919 inactive wells, and 5,551 permit locations, for a total of 107,705 wells. It should be noted that the COGCC GIS data is updated on a daily or monthly basis.