Modular drill rig erection system

Details Modular drill rig erection system Modular drill rig erection system

E - Fixed Constructions

21

B

20/112.1

E21B 15/00 (2006.01) E04H 12/34 (2006.01)

Patent

CA 1065575

MODULAR DRILL RIG ERECT SYSTEM ABSTRACT OF THE DISCLOSURE A system for erecting elevated floor where a first support floor with a drawworks thereon is connected to one end of a base structure by two pair of parallel spaced pivotable links and a second support floor is coupled to the opposite end of the base structure and by two pair of parallel spaced pivotable links. In accordance with the invention a strong back is erected about midway of the length of the base forming a rigid frame and supporting elevated sheaves at each side of the base structure. A pair of cables are adapted to pass over said sheaves, one on each side of said base structure and connect first to said first floor for erection and then to said second floor for erection.

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