Improved tubing spider

Details Improved tubing spider Improved tubing spider

E - Fixed Constructions

21

B

E21B 19/10 (2006.01)

Patent

CA 2284428

A tubing spider includes a rigid support frame having a plurality of support posts and an upper and lower support ring separated by said support posts, a pyramidal frustum formed by a plurality of inclined planes rigidly attached to the support frame, a plurality of slips moveable along the inclined planes and hydraulic cylinders for actuating the slips. The pyramidal frustum and the range of travel of the slips extends substantially the entire length of the support frame between the upper and lower support rings. These slips define a cylindrical opening, the diameter of which changes as the slips move along the range of travel. In one embodiment, the support frame may be opened up as the upper and lower support rings are comprised of two hemispherical halves which are joined together in a hinged manner.

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