Automated system for positioning and supporting the work platform of a mobile workover and well-servicing rig
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United States of America Patent
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Aug 30, 2011
Grant Date -
Feb 14, 2008
app pub date -
Oct 8, 2007
filing date -
Jul 15, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
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.
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