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Table 5 Tubing inner and outer diameter and wellbore radius

From: Potential assessment of methane and heat production from geopressured–geothermal aquifers

Tubing OD (in) Tubing ID (in) Wellbore radius (m)
3 1/2 2.992 0.03741
4 1/2 3.826 0.04782
5 1/2 4.778 0.05973
6 5/8 6.049 0.07560
7 5/8 7.125 0.08907