07004259 is referenced by 48 patents and cites 149 patents.

An apparatus for facilitating the connection of tubulars using a top drive, the apparatus comprising a supporting member (13) connectable to said top drive (3) characterized in that it further comprises an internal tool (30) for engaging said tubular (7) and an external clamping device (39) for engaging said tubular (7).

Title
Apparatus and method for facilitating the connection of tubulars using a top drive
Application Number
10/621971
Publication Number
7004259 (B2)
Application Date
July 17, 2003
Publication Date
February 28, 2006
Inventor
Bernd Georg Pietras
Wedemark
DE
Agent
Moser Patterson & Sheridan
Assignee
Weatherford Lamb
TX, US
IPC
E21B 19/00
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