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US 2010/0147534 A1Published application
Apparatus and method for facilitating the connection of tubulars using a top drive
OwnerBernd-Georg Pietrasinventor
Life of this patent
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Abstract
An apparatus and method for facilitating the connection of tubulars using a top drive, more particularly but not exclusively, intended for facilitating the connection of a section or stand of casing to a string of casing.
Claims1
A method of connecting a first casing to a second casing using a top drive comprising:
- coupling a gripping apparatus to the top drive, the gripping apparatus having a gripping element adapted to engage the first casing;
- gripping the first casing;
- and
- actuating the top drive to rotate the gripping apparatus and the first casing relative to the second casing thereby connecting the first casing to the second casing.
1 more element
Dependencies are inferred from the claim text.