Split sub-basement drill rig

Details Split sub-basement drill rig Split sub-basement drill rig

E - Fixed Constructions

21

B

E21B 15/00 (2006.01)

Patent

CA 2721540

A sub-basement assembly for transportable, mobile drill rigs for supporting the drill rig floor has a low `stack' height for transit but due to the configuration of its linkages, but may be quickly and easily raised as the drill rig is erected. The height & size of the present invention's `floor' is very compact in shipment, yet provides for the full load carrying capacity and full size of conventional `floors' during drilling operations.

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