Mechanized stand handling apparatus for drilling rigs
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United States of America Patent
Stats
-
Jun 23, 1981
Issued Date -
N/A
app pub date -
Jun 5, 1979
filing date -
Jun 5, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for the handling of drill collar and pipe stands and comprised of a hydraulically mechanized 'Derrickman' and 'Derrick Floor Hand' and associated fingerboard lock bars and all of which are adapted to remote control in the placement of the stands in a derrick, both in alignment with the rotary table and fully placed within the racking fingers, the stand handling mechanism being characterized by articulated arms extensible by actuator apparatus housed entirely within the confines thereof for compactness.
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Cited Art Landscape
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