Dual-string tubing tong and method
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United States of America Patent
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-
May 27, 1986
Grant Date -
N/A
app pub date -
Oct 9, 1984
filing date -
Oct 9, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved power tong is provided of the type having a open throat portion for laterally moving the tong on and off a string of tubing. A ring member is rotatably guided by upper, lower, and intermediate bearings, and a cage plate assembly is partially disposed within the ring member. The rotatable cage plate is adapted for gripping engagement with a first string of tubing. An opening is provided between an outermost surface of the cage plate and ring assembly and an inner surface of a door for receiving a second string of tubing. According to the method of the invention, the first string of tubing is made up by rotating the ring member and cage plate assembly while the second string of tubing is housed within the body of the tong.
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