Novel fracturing enhances deliverability

GAS STORAGE DELIVERABILITY-1Stimulation or restimulation of existing wells in gas storage fields can be more cost-effective for maintaining deliverability than drilling new wells.These new wells now cost the industry about two-thirds of the $100 million spent annually on deliverability maintenance.A 1993 Gas Research Institute (GRI) study concluded that on average the storage industry loses more than 5% of its deliverability annually from base-load fields.1 More recent GRI and US Department of Energy (DOE) research has attributed this loss to several different damage mechanisms in storage wells.2Traditional methods for maintaining deliverability, such as blowing the wells, coiled-tubing c...

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