Table 2. Calculation Methods for CO₂ Storage Capacity.

Measuring Methods	Mathematical model	Representative researchers
US-DOE-NETL method	GCO2 = VEV[ρCO2ϕEϕ + ρSCO2(1 – ϕ)Es(d) × Es(m)]M = ρr(CO2)·Ahφ(1 – Swi)·BE	Ma et al.83
CSLF	Mt(CO2) = ρr(CO2)·[RfAhφ(1 – Swi) – Viw+Vpw]Me(CO2) = CeMt(CO2)	Bachu et al.82
USGS	TASR = (RSV + BSV)ρr(CO2)	Brennan et al.89
RIPED&CUP		Shen et al.87
Novel evaluation methods		Rezk et al.90
Three-parameter calculation method of CSSP		Wang et al.91