cushion gas

cushion gas

[′ku̇sh·ən ‚gas]
(chemical engineering)
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purchase of natural gas for its own use and technology, technological losses, and forced cushion gas exchange in the US Natural Gas Storage Plc.
Russia's Gazprom have also been involved in the project, supplying cushion gas that is needed to pressurise the reservoir.
Cushion gas is needed to pressurise the reservoir, making commercial operations possible.
Escal UGS had started injecting so-called cushion gas into the reservoir when the earthquakes prompted the government to temporarily halt operations, on September 26.
National Grid data showed Rough had just 10 million cubic metres (mcm) of normal supply, yet has since 'nominated' or contracted to pump 21 mcm into Britain's gas network, which traders said indicated it was eating into its cushion gas.
Adri Pols, Bergermeer's commercial manager, said 75 percent of the cushion gas has already been injected.
Aquifers also have another expensive drawback: 50-75% of the gas injected in them will become cushion gas that might never be retrieved.
However, work to inject cushion gas - required to maintain pressure levels in the facility - will continue.
Gazprom will provide cushion gas for the project, which is necessary to ensure the reservoir has optimal pressure to start storage activities, in exchange for working capacity and a participating interest in the operator of the facility.
a subsidiary of The Abu Dhabi National Energy Company PJSC (TAQA), today signed an agreement with Gazprom export for provision of gas storage services in exchange for the delivery of cushion gas for the Bergermeer Gas Storage project.
The collaboration is aimed at Gazprom Export providing cushion gas to the Bergermeer gas storage project, in which Taqa is a partner, in exchange for working capacity and a participating interest in the facility.
Although not all of the cushion gas could ultimately be withdrawn and sold, substantially all of the cushion gas could be recovered and sold to customers.