Well servicing rig

Details Well servicing rig Well servicing rig

E - Fixed Constructions

21

B

255/14.4

E21B 19/14 (2006.01) E21B 19/15 (2006.01) E21B 19/20 (2006.01)

Patent

CA 1151143

ABSTRACT OF THE DISCLOSURE A fully mobil and totally contained well servicing and drilling rig is disclosed having equipment on the rig for automatically handling well elements (pipe, tubing and rods) going into and coming out of a well. The rig provides well element storage racks, cranes for moving well elements onto and off the racks, transfer means for moving well elements from horizontal to vertical position, well element conveying means for moving elements to and from the transfer means, an automatic manipulator for moving elements into alignment with the well being serviced, automatic hoisting means, means for connecting and disconnecting elements from the element string within the well, driving means for all of the equipment, and control means for sequencing and operating all of the means so that the entire well servicing or drilling can be accomplished without human handling of well elements in the vicinity of the well head and rig.

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