Patent ID: 8250826

Claim:
A hingeable derrick, comprising: an upper structure with a first face, a second face opposite the first face, and a third face and a fourth face each connecting the first face to the second face; a lower structure with a first face, a second face opposite the first face, and a third face and a fourth face each connecting the first face to the second face; a hinge connecting the second face of the upper structure to the second face of the lower structure; and at least one hydraulic cylinder, where each hydraulic cylinder has an upper end and a lower end and where the upper end is directly attached to the upper structure and where the upper end is removably attached to the upper structure; where the upper structure is located directly above the lower structure in an upright position when the hydraulic cylinder is retracted and where the upper structure may pivot at the hinge in the direction of the second face into a folded position.