Survey: Miscible CO2 now eclipses steam in US EOR production

Miscible CO2 now accounts for more oil production in the US than any other enhanced oil recovery method, eclipsing steam injection in Oil & Gas Journal's 2012 EOR/Heavy Oil Survey. Production from US miscible CO2 floods totals 308,564 b/d vs. 300,762 b/d for steam, according to the survey (Table 1). The miscible CO2 production rate is 24% above its level of the previous OGJ survey, published in 2010 (OGJ, Apr. 19, 2010, p. 36). Production from this technique, accounting for 41% of US output from EOR, is on a long upward trend. Production from steam injection also is up, by 10% from 2010, but well below its rates exceeding 400,000 b/d throughout the 1990s. Miscible CO2 also dominates ...

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