主权项 |
1. A collet assembly for operating a subterranean tool after passage through a narrower bore, comprising:
a tubular mandrel having opposed ends and a plurality of slots to define a plurality of spaced fingers, said fingers having a raised exterior segment having opposed axial edges and said raised exterior segment further comprises at least one outer surface and a profile in said at least one outer surface for selective engagement of the subterranean tool; said at least one outer surface on at least one of said fingers further comprising at least one projection; said raised exterior segment of said fingers having opposed ends, said ends defined at ends of transition surfaces from said fingers and at said axial edges; at least one of said opposed ends on at least one of said fingers has material removed, whereby said projection, when contacting the narrower bore, keeps said opposed edges on said at least one finger from contacting the narrower bore as said fingers flex to pass therethrough. |