Equivalence of the DOE Method and the CSLF Method, Related to the Proposed Resource Classification System
The two most commonly used methods for estimating CO2 storage capacity/resource around the world are the DOE and CSLF methods.
In the CSLF Phase III report, the major differences between the two methods were described, and the equivalency of the two methods was also established (CSLF, 2008).
The major differences are that the CSLF method only considers storage in traps while the DOE method considers storage across entire saline formations at the regional scale.
Though not specified in the CSLF report, the CSLF method could also be applied to entire formations instead of just known physical traps.
The other differences are basically the arrangement of the equations, which in the end makes the methods virtually equivalent.