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Jilin oilfield is conducting the first large scale demonstration project on CO 2 EOR and storage in the northeast China. CO 2 with high purity is produced from a nearby natural gas reservoir and injected into the tight oil reservoir of H-59 block. Up to early in 2012, more than 20×10 4 tons of CO 2 has been injected into the reservoir through a miscible flooding scheme...
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