Tong positioning system and method
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United States of America Patent
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Nov 22, 2005
Grant Date -
Nov 4, 2004
app pub date -
May 2, 2003
filing date -
Feb 3, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A tong positioning system positions a power tong about an oilfield tubular connection to make up or break out a threaded connection. An extendable arm and a retainer device on the extendable arm. In a preferred embodiment, the retainer device comprises opposing laterally-movable retainer arms defining an adjustable opening for at least partially enclosing one of the upper tubular and the lower tubular. The extendable arm is retractable for thereafter moving the power tong laterally toward the tubular connection.
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