To: “CO2 velocity measurement and models for temperatures up to 200°C and pressures up to 100 MPa,”De-Hua Han, Min Sun, and Micheal Batzle, Geophysics, 75, no. 3, E123–E129.

Equation 7 should be Vp = 0.15 + 0.12Tpr − [0.009 + 0.227(1.5 − Tpr)2]Ppr.

Equation 8 should be Vhp = 0.045 + 0.06(aTpr)3 + 0.246 |PprShp|0.44.

Shp in equation 8 is defined as: Shp = −4.4 + 5.322T...

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