Reasonable to assume that the "good to high permeability" is from a technical viewpoint and not in comparison. The relevant slide (see below) makes no suggestion of comparison.
For what it's worth, from chatgpt: Good permeability (10-100 mD): Found in typical sandstone reservoirs, where fluid flow is sufficient for oil and gas extraction. High permeability (greater than 100 mD): Usually found in highly porous rocks like certain types of sandstone, limestone, or gravel, where fluids flow freely. In general, a permeability of 10-100 mD is considered good for oil and gas reservoirs, as it indicates efficient fluid flow for extraction purposes.
Therefore, I would agree - probably around the 100-200 range.
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