National Oilwell, Inc.

Varco I/p, Inc.

James Cavitt Garrett

Jeff A Lambert

Calvin Ronald Blankenship

James Cirone

Michael R Zemanek

Jay D Furnish

Donald W Johnson

Kenneth L Cambern

Joel M Ferland

Randy Lee Scates

Marco Antonio Calzada

Guy Lamonte MClung, Iii

James Simspon Grant

A method and apparatus for positioning and supporting the work platform of a mobile workover rig is disclosed. The work platform of the preferred embodiment of the present invention utilizes a unique support structure and automated positioning system for positioning the work platform at the desired height above the wellhead equipment. The preferred embodiment of the present invention utilizes a specialized automated 'pinning' system that secures the work platform at the desired height. Additionally, the present invention utilizes one or more support cylinders to position and support the work platform in the horizontal position over the wellhead equipment. The automated positioning and pinning system of the present invention is a unique system that significantly reduces the time required to position the work platform of a mobile workover rig in the operating position, as well as significantly reduces the risk of injury to rig personnel assisting in the positioning operations.

Automated system for positioning and supporting the work platform of a mobile workover and well-servicing rig

Systems and methods for diagnosing faults in well servicing operations and determining appropriate remedial action to remedy such faults.

Diagnosis and troubleshooting for above-ground well systems

Growing community of inventors

Kingwood, TX, United States of America

James Cavitt Garrett