Inventors:
Bill Rhinehart - The Woodlands TX, US
Thomas M. Redlinger - Houston TX, US
Thurman B. Carter - Spring TX, US
Wei Xu - Houston TX, US
Hubert E. Halford - Rosharon TX, US
Martin Stulberg - Angleton TX, US
Assignee:
Weatherford/Lamb, Inc. - Houston TX
International Classification:
E21B 7/28
E21B 29/00
US Classification:
175 53, 175401, 175406, 166 556, 166298
Abstract:
A method of removing a restriction in a tubular located in a well includes providing a drilling assembly with a drill bit and a reamer, the reamer having a cutting structure for removing the restriction; drilling through a lower portion of the tubular; expanding the reamer at a location below the restriction; and urging the reamer back toward the restriction to remove the restriction.