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Jackson Prairie Underground Natural Gas Storage FacilityJackson Prairie Underground Natural Gas Storage Facility is a natural gas storage facility in Southwest Washington. The site is owned by Puget Sound Energy, Avista and Williams Companies's Northwest Pipeline GP.[1][2] With 25 billion cubic feet working capacity (47 billion cubic feet total capacity), it is the largest natural gas-storage reservoir in the Pacific Northwest and the 14th largest in the United States.[3][4] GeologyLocated in the community of Mary's Corner, Washington,[5] the gas storage is in an aquifer contained by the sandstone Skookumchuck formation, about 1,000 to 3,000 feet underground.[6][7][8]: Slide 4 DevelopmentThe site was first explored for gas production in 1958 with an 8,000-foot (2,400 m) deep well. The well turned out to be a dry hole and repurposed for gas storage. In 1964 the first gas was injected.[8]: Slide 2 Gas began escaping in early 1965 after the drilling of a new bore hole, requiring the installation of specialized fittings to shut off the leak. Despite a minor evacuation, a no fire order, and law enforcement patrols, no explosion or injuries occurred.[5] As of 2016, there were a total of 104 wells, 55 being used for gas injection or extraction.[8]: Slide 4 References
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