Survey: Miscible CO2 now eclipses steam in US EOR production

04/02/2012
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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