| http://www.w3.org/ns/prov#value | - DESCRIPTION OF THE DRAWINGS FIG. 1 is an elevated side view of a drilling rig incorporating a pipe running tool according to one illustrative embodiment of the present invention; FIG. 2 is a side view, in enlarged scale, of the pipe running tool of FIG. 1; FIG. 3 is a cross-sectional view taken along the line 3-3 of FIG. 2; FIG. 4 is a cross-sectional view taken along the line 4-4 of FIG. 2; FIG.
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