• The Permian Period was approximately 299 to 251 million years ago.
• The end of the Permian period marked the largest mass extinction in history.
• Drilling for oil in the Permian Basin began in the 1920’s.
• Multistage hydraulic fracturing significantly increased oil production in the Permian Basin.
• The Permian Basin is the most crude oil producing region in the United States.
• Over 30 billion barrels of crude oil have been recovered from the Permian Basin.
• Experts estimate that there are at least 20 billion barrels remaining in the Permian Basin.