Patent ID: 8474216
Filing Date: 2013-07-02
Classification: E04H,E21B

Abstract:
1. A method of erecting a drilling platform comprising: positioning a first box support member comprising a load bearing frame and a first spreader support bracket, said first spreader support bracket comprising a first spreader support surface and at least one locking aperture having a mouth end and a base end opposite a second box support member comprising a load bearing frame and a second spreader support bracket comprising a second spreader support surface and at least one locking aperture so that said first spreader support bracket and said second spreader support bracket face one another; lowering a load bearing spreader beam comprising a first end opposite a second end and a front surface opposite a rear surface, said front surface and said rear surface each having a substantially vertical orientation, and a locking pin extending from said spreader beam substantially perpendicular to said front surface of said spreader beam onto said first and second spreader support brackets, said locking pin positioned to engage one of said locking apertures as said spreader beam is lowered.