{"id":96,"date":"2021-12-14T04:47:33","date_gmt":"2021-12-14T03:47:33","guid":{"rendered":"https:\/\/www.geostockgroup.com\/activites\/les-types-de-stockage\/"},"modified":"2026-03-04T16:00:56","modified_gmt":"2026-03-04T15:00:56","slug":"types-of-underground-storage","status":"publish","type":"page","link":"https:\/\/www.geostockgroup.com\/en\/activities\/types-of-underground-storage\/","title":{"rendered":"Types of underground storage"},"content":{"rendered":"\n
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For nearly 60 years, Geostock<\/strong> has built up extensive expertise in all underground energy and CO2<\/sub> storage techniques, be it for salt caverns, mined caverns, depleted hydrocarbon fields or aquifers (porous media).<\/p><\/blockquote>\n <\/div>\n <\/div>\n\n<\/section>\n\n\n

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Salt cavern storage<\/h2>\n <\/div>\n <\/div>\n\n<\/section>\n\n\n
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Description of salt caverns<\/h3>\n

Salt cavern storage requires the presence of a significant salt deposit. The cavern is created by dissolving salt in fresh or low-salt water (sea water), a process referred to as “leaching” or “solution mining”. During this process, the shape and volume of the salt cavern are monitored by sonar (echometry). Generally elongated in shape, salt caverns are several hundred metres high and several tens of metres in diameter. They are typically located at a depth of between 200 and 2,000 metres with a volume of several hundred thousand cubic metres.<\/p>\n <\/div>\n <\/div>\n\n<\/section>\n\n\n\n

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The stability of salt caverns is ensured by the choice of appropriate geometry and the permanent control of pressures, temperatures and flows during operation. Their tightness relies on the intrinsic properties of salt.<\/p>\n

Surface equipment includes one or two well-heads per cavern, compression (for gaseous products), processing and metering facilities.<\/p>\n

Stored products<\/strong><\/p>\n