Drilling rig mast lift systems and methods

Details Drilling rig mast lift systems and methods Drilling rig mast lift systems and methods

E - Fixed Constructions

21

B

E21B 15/00 (2006.01)

Patent

CA 2755483

Systems and methods for rig assembly and for erecting a mast of a rig and such systems with roller apparatus to facilitate movement of a mast section from a mover. In a first embodiment, the method includes erecting a rig mast section on a substructure, the substructure including a first substructure box spaced-apart from a second substructure box, the first substructure box comprising a first upper box above a first lower box and the second substructure box comprising a second upper box above a second lower box.

La présente invention concerne des systèmes et des procédés d'assemblage d'appareil de forage et de construction d'un mât d'un appareil de forage et de tels systèmes qui comportent un appareil à rouleaux pour faciliter le mouvement d'une section de mât à partir d'un dispositif mobile. Dans un premier mode de réalisation, le procédé consiste à élever une section de mât d'appareil de forage sur une sous-structure, la sous-structure comprenant un premier caisson de sous-structure espacé d'un second caisson de sous-structure, le premier caisson de sous-structure comprenant un premier caisson supérieur au-dessus d'un premier caisson inférieur et le second caisson de sous-structure comprenant un second caisson supérieur au-dessus d'un second caisson inférieur.

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