Apparatus for elevating a mobile rig

Details Apparatus for elevating a mobile rig Apparatus for elevating a mobile rig

1980-05-23

1982-09-14

Byers, Jr., Nile C.

Bridges

Transportable

14 713, 14 717, 414 13, 52175, E01D 100

Patent

active

043487807

ABSTRACT:
This invention relates to apparatus for elevating a mobile workover rig to an elevated operating position proximate wellhead. It includes a portable platform arranged for positioning proximate the wellhead with the platform having a fixed generally horizontal upper surface portion for receiving and supporting the wheels of the rig thereon. It also includes ram means comprising two longitudinally aligned portions connected to the platform for forming an inclined ramp extending from the upper surface of the platform to the ground for moving the rig thereonto. It also includes means connected to the ramp means for raising at least one of the portions of the rig to an elevated generally horizontal position substantially the same height as the upper surface of the platform while wheels of the rig are supported thereon to thereby elevate and support the rig in the elevated operating position.

REFERENCES:
patent: 2643010 (1953-06-01), Hott
patent: 2711804 (1955-06-01), Woolslayer
patent: 2786590 (1957-03-01), Edwards
patent: 2815872 (1957-12-01), Graham
patent: 2855115 (1958-10-01), Casey
patent: 3409923 (1968-11-01), Walker
patent: 3599382 (1971-08-01), Stone
patent: 3872948 (1975-03-01), Richards
patent: 3881207 (1975-05-01), Jones

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