Figure F27. A. Ring and bit resistivity acquired with the resistivity-at-the-bit (RAB) tool. B. Shallow-, medium-, and deep-focused resistivity acquired with the RAB tool. Lines separate log Units 1-4.

Figure F27. A. Ring and bit resistivity acquired with the resistivity-at-the-bit (RAB) tool. B. Shallow-, medium-, and deep-focused resistivity acquired with the RAB tool. Lines separate log Units 1-4.