A guide rail plate for top drive of a drilling system

Details A guide rail plate for top drive of a drilling system A guide rail plate for top drive of a drilling system

E - Fixed Constructions

21

B

E21B 19/24 (2006.01) E21B 3/02 (2006.01)

Patent

CA 2634976

A collapsible guide rail plate for top drive of a drilling system consisting of several guide rail sections is disclosed. Each section is pivotly connected together and forms an integral linear guide rail plate when installed.An hydraulic cylinder which is centrally longitudinally fixed at the lower end of the upper guide rail section is actuated by a pump in the lower end of the guide rail sections which is at the lowest end of the guide rail plate. A cone plate is actuated by the hydraulic cylinder to lock the shafts into the holes between the upper and lower guide rail sections. This assembly decreases the cost of installation, cost of disassembly, increases the efficiency of operation and minimizes the safety hazard:

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