US 6,981,547 B2 | ||
Wire lock expandable connection | ||
Patrick G. Maguire, Cypress, Tex. (US); and David E. Hirth, Pasadena, Tex. (US) | ||
Assigned to Weatherford/Lamb, Inc., Houston, Tex. (US) | ||
Filed on Dec. 06, 2002, as Appl. No. 10/313,920. | ||
Prior Publication US 2004/0108119 A1, Jun. 10, 2004 | ||
Int. Cl. E21B 17/02 (2006.01); E21B 23/00 (2006.01); E16L 37/22 (2006.01) |
U.S. Cl. 166—242.7 | 13 Claims |
1. A method for connecting a first and a second tubular, comprising:
stabbing the first tubular into the second tubular to align a variable pitched groove formed on an inside of an end of the
first tubular with a corresponding variable pitched groove formed on an outside of an end of the second tubular to form a
variable pitched continuous recess through the variable pitched grooves;
positioning a connector member into at least a portion of the continuous recess to provide a connection between the tubulars;
and
expanding at least a portion of the connection radially outward, wherein resistance to relative rotation between the tubulars
is maintained after expansion.
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