Patent ID: 6401811
Filing Date: 2002-06-11
Classification: E21B

Abstract:
A tool tie-down for use with a subterranean drilling rig, wherein the rig has a traveling block assembly to which a well tool is attachable, said well tool having an upper mandrel, and an elevator having casing gripping slips toward the bottom of the traveling block assembly for gripping casing, the tie-down comprising:a tie-down yoke mechanism securable to the upper mandrel of the well tool; and a tie-down member securable to said tie-down yoke mechanism and with respect to said casing gripping slips, whereby when said well tool is attached to said traveling block assembly and is positioned in an upper end of the casing then said well tool is prevented from being pushed out of position in the casing by pressure from below said well tool in the casing.