US2011198073A1PendingUtilityA1

Apparatus and methods for facilitating the connection of tubulars using a top drive

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Assignee: PIETRAS BERND-GEORGPriority: Dec 24, 1998Filed: Jan 4, 2011Published: Aug 18, 2011
Est. expiryDec 24, 2018(expired)· nominal 20-yr term from priority
Inventors:Bernd-Georg Pietras
E21B 3/022E21B 19/16E21B 21/106
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Claims

Abstract

An apparatus for facilitating the connection of tubulars using a top drive, the apparatus comprising 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-modified
1 . An apparatus for facilitating the connection of tubulars using a top drive, comprising an internal clamping tool having radially movable gripping elements.

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