The Haynesville Shale is a natural gas reservoir located primarily in northwest Louisiana and extending into east Texas. It is known for its rich deposits of natural gas, which are extracted through hydraulic fracturing, or fracking. This geological formation is part of the larger Gulf Coast region and has become a significant source of energy in the United States. Discovered in the mid-2000s, the Haynesville Shale has attracted numerous energy companies seeking to tap into its resources. The area has seen substantial investment and development, contributing to local economies and impacting the broader energy market. Its production has made it one of the largest natural gas fields in the country.