Well servicing rig

Details Well servicing rig Well servicing rig

1982-09-29

1986-05-27

Leppink, James A.

Boring or penetrating the earth

With magazine for successively moving unconnected, oriented...

175 85, E21B 1920

Patent

active

045910065

ABSTRACT:
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 tracks, 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.

REFERENCES:
patent: Re26284 (1967-10-01), O'Neill et al.
patent: 3177944 (1965-04-01), Knights
patent: 3404741 (1968-10-01), Gheorghe et al.
patent: 3499498 (1970-03-01), Bromell et al.
patent: 3682259 (1972-08-01), Cintract et al.
patent: 3710954 (1973-01-01), Hutchison
patent: 3734210 (1973-05-01), Wilderman
patent: 3870109 (1975-03-01), Gray
patent: 4042123 (1977-08-01), Sheldon et al.

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