The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 14, 1982

Filed:

May. 23, 1980
Applicant:
Inventors:

Lawrence F Angelo, Conroe, TX (US);

Frank A Bryant, Houston, TX (US);

John D McLain, Houston, TX (US);

Assignee:

WellTech, Inc., Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01D / ;
U.S. Cl.
CPC ...
14-1 ; 14 713 ; 14 717 ; 414 13 ; 52175 ;
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.


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