US2012175130A1PendingUtilityA1
Apparatus and methods for facilitating the connection of tubulars using a top drive
Est. expiryDec 24, 2018(expired)· nominal 20-yr term from priority
Inventors:Bernd-Georg Pietras
E21B 21/106E21B 19/16
47
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Abstract
An apparatus for facilitating the connection of tubulars using a top drive, the apparatus having a supporting member connectable to said top drive characterized in that it further comprises an internal tool for engaging said tubular and an external clamping device for engaging said tubular.
Claims
exact text as granted — not AI-modified1 . A method for connecting tubulars using a top drive, comprising: providing an internal clamping tool having radially movable gripping elements; gripping a first tubular using the internal clamping tool; and connecting the first tubular to a second tubular.
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