Patent ID: 8640767
Filing Date: 2014-02-04
Classification: E21B

Abstract:
1. A support structure for use on a rig floor and for supporting a unit used to manipulate tubular components in and out through a wellhead, comprising: a support plate adapted to securely mount the support structure to said unit used to manipulate tubular components in and out through a wellhead and adapted to distribute downward forces to the rig floor; a passage in the support plate of sufficient diameter to allow tubular components to pass therethrough; a plurality of rig engaging members connected to the support plate; at least one tensile member mount; wherein the unit used to manipulate tubular components in and out through a wellhead does so co-axially through said passage in the support plate; and wherein the support structure is adapted to be placed on the rig floor; wherein said unit used to manipulate tubular components through a wellhead further comprises a plurality of ram recesses, each suitable to receive a jacking ram, the support structure further comprising: a plurality of ram passages in the support plate coaxially aligned with the plurality of ram recesses, each ram passage being of sufficient diameter to allow a jacking ram to pass therethrough; and wherein, during operations, any downward forces are generally distributed into the rig floor through the support structure and the plurality of rig engaging members.