E - Fixed Constructions – 04 – H
Patent
E - Fixed Constructions
04
H
20/112
E04H 12/34 (2006.01) E04H 12/10 (2006.01)
Patent
CA 1085575
WHEELED PORTABLE TRAILER SUBSTRUCTURE FOR ELEVATABLE DRAWWORKS, MASTS AND SETBACK TOWER Abstract of the Disclosure A first and second mobile trailer means are secured together for forming a base substructure support for a mast, set- back tower and drawworks. A working floor is provided in elevated position above the base substructure support when the mast, set- back tower and drawworks is in position to conduct well operations the telescoping mast and setback structure is pivotally carried on the first trailer means and a drawworks is pivotally carried by the second trailer means. A power and rig up arrangement is provided to elevate in a desired sequence the mast, setback structure and drawworks to a desired position for securing on the base substructure support formed by the first and second trailer means for conducting well operations.
321071
George H. Riches And Associates
Patterson Bradley C.
LandOfFree
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